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Brommethan Produkt Beschreibung

CAS-Nr.74-83-9
Bezeichnung:Brommethan
Englisch Name:Methyl bromide
Synonyma:
MBX;Edco;Mebr;CH3Br;F40B1;Zytox;r40b1;Rotox;Haltox;R 40B1
CBNumber:CB9197705
Summenformel:CH3Br
Molgewicht:94.94
MOL-Datei:74-83-9.mol
Brommethan physikalisch-chemischer Eigenschaften
Schmelzpunkt:: −94 °C(lit.)
Siedepunkt:: 4 °C(lit.)
Dichte: 3.3 g/mL at 25 °C(lit.)
Dampfdichte: 3.3 (20 °C, vs air)
Dampfdruck: 1420 mm Hg ( 20 °C)
Brechungsindex: 1.4432
Flammpunkt:: -34 °C
storage temp. : 2-8°C
Löslichkeit: water: soluble
Explosionsgrenze: ~16%
Wasserlöslichkeit: 1.522 g/100 mL
Merck : 13,6056
Expositionsgrenzwerte: NIOSH REL: IDLH 250 ppm; OSHA PEL: C 20 ppm; ACGIH TLV: TWA 5 ppm.
Stabilität:: Stable. Incompatible with oxidizing agents, strong acids. This is an ozone-depleting chemical, and its use is restricted in many countries.
CAS Datenbank: 74-83-9(CAS DataBase Reference)
NIST chemische Informationen: Methyl bromide(74-83-9)
Sicherheit
Kennzeichnung gefährlicher: T,N,Xn,F,F+
R-Sätze:: 23/25-36/37/38-48/20-50-59-68-38-20/22-11-67-66-19-12-39/23/24/25-23/24/25
S-Sätze:: 15-27-36/39-38-45-59-61-36/37-26-24-16-7
RIDADR : UN 1062 2.3
WGK Germany : 3
RTECS-Nr.: PA4900000
HazardClass : 2.3
HS Code : 29033990
Giftige Stoffe Daten: 74-83-9(Hazardous Substances Data)
Toxizität: LC for rats in air (6 hrs): 514 ppm (Irish)

Brommethan Chemische Eigenschaften,Einsatz,Produktion Methoden

ERSCHEINUNGSBILD
GERUCHLOSES UND FARBLOSES, KOMPRIMIERTES FLüSSIGGAS.
PHYSIKALISCHE GEFAHREN
Das Gas ist schwerer als Luft.
CHEMISCHE GEFAHREN
Zersetzung beim Erhitzen und Verbrennen unter Bildung giftiger und ätzender Rauche mit Bromwasserstoff, Brom und Acetylbromid. Reagiert mit starken Oxidationsmitteln. Greift viele Metalle in Gegenwart von Wasser an. Greift Aluminium, Zink und Magnesium an unter Bildung selbstentzündlicher Verbindungen. Feuer- und Explosionsgefahr.
ARBEITSPLATZGRENZWERTE
TLV: 1 ppm (als TWA); Hautresorption; Krebskategorie A4 (nicht klassifizierbar als krebserzeugend für den Menschen); (ACGIH 2005).
MAK: Hautresorption; Krebserzeugend Kategorie 3B; (DFG 2005).
AUFNAHMEWEGE
Aufnahme in den Körper durch Inhalation und über die Haut, auch als Dampf!
INHALATIONSGEFAHREN
Eine gesundheitsschädliche Konzentration des Gases in der Luft wird beim Entweichen aus dem Behälter sehr schnell erreicht.
WIRKUNGEN BEI KURZZEITEXPOSITION
WIRKUNGEN BEI KURZZEITEXPOSITION:
Das Gas reizt die Augen, die Haut und die Atmungsorgane. Inhalation des Gases kann zu Lungenödem führen (s. Anm.). Schnelle Verdampfung der Flüssigkeit kann zu Erfrierungen führen. Möglich sind Auswirkungen auf Zentralnervensystem, Nieren und Lunge. Exposition gegenüber hohen Konzentrationen kann zum Tod führen. Die Auswirkungen treten u.U. verzögert ein.
WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION
Möglich sind Auswirkungen auf Nervensystem, Nieren, Herz, Leber und Lunge.
LECKAGE
Gefahrenbereich verlassen! Fachmann zu Rate ziehen! Belüftung. Wasserstrahl NIEMALS auf die Flüssigkeit richten. Persönliche Schutzausrüstung: Vollschutzanzug mit umgebungsluftunabhängigem Atemschutzgerät.
R-Sätze Betriebsanweisung:
R23/25:Giftig beim Einatmen und Verschlucken.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R48/20:Gesundheitsschädlich: Gefahr ernster Gesundheitsschäden bei längerer Exposition durch Einatmen.
R50:Sehr giftig für Wasserorganismen.
R59:Gefährlich für die Ozonschicht.
R68:Irreversibler Schaden möglich.
R38:Reizt die Haut.
R20/22:Gesundheitsschädlich beim Einatmen und Verschlucken.
R11:Leichtentzündlich.
R67:Dämpfe können Schläfrigkeit und Benommenheit verursachen.
R66:Wiederholter Kontakt kann zu spröder oder rissiger Haut führen.
R19:Kann explosionsfähige Peroxide bilden.
R12:Hochentzündlich.
S-Sätze Betriebsanweisung:
S15:Vor Hitze schützen.
S27:Beschmutzte, getränkte Kleidung sofort ausziehen.
S36/39:Bei der Arbeit geeignete Schutzkleidung und Schutzbrille/Gesichtsschutz tragen.
S38:Bei unzureichender Belüftung Atemschutzgerät anlegen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
S59:Informationen zur Wiederverwendung/Wiederverwertung beim Hersteller/Lieferanten erfragen.
S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S24:Berührung mit der Haut vermeiden.
S16:Von Zündquellen fernhalten - Nicht rauchen.
S7:Behälter dicht geschlossen halten.
Aussehen Eigenschaften
CH3Br; Methylbromid, Brommethyl; farbloses, süßlich, chloroformartig riechendes Gas (in niedrigen Konzentrationen praktisch geruchlos).
Gefahren für Mensch und Umwelt
Mit Alkali- und Erdalkalimetallen, Leichtmetallen und Zink sind starke exotherme Reaktionen mit Entzündungsgefahr zu erwarten.
Methylbromid ist einer der toxischsten und heimtückischsten Halogenkohlenwasserstoffe. Die Inhalation hoher Konzentrationen, die nicht sofort zu Narkose und Atemstillstand führt, erzeugt nach mehrstündiger Latenz ein Lungenödem, oft mit nach Tagen folgender schwerer Lungenentzündung. Eine weitere Folge akuter wie auch lang anhaltender wiederholter Einwirkungen geringer Dosen sind Veränderungen im Nervensystem. Sie bewirken anfangs Kopfschmerzen und Übelkeit, später EErregung und Tremor, Tobsucht und epileptiforme Krämpfe. Die Flüssigkeit erzeugt auf der Haut schwere Entzündungen. Die systemischen Schäden sind auch als Folge einer Hautresorption möglich.
Stark wassergefährdender Stoff.
Schutzmaßnahmen und Verhaltensregeln
Unbedingt im Abzug arbeiten und für geschlossene Apparaturen sorgen. Behälter kühl und geschlossen lagern. In geringen Konzentrationen keine Geruchswarnwirkung! Berührung mit Augen, Haut und Kleidung unbedingt vermeiden.
Schutzhandschuhe aus Gummi (nur kurzzeitig als Spritzschutz).
Verhalten im Gefahrfall
Nach Gasaustritt betroffene Räume sofort räumen. Umluftunabhängiges Atemschutzgerät anlegen.
Im Brandfall Behälter mit Wasser kühlen!
Erste Hilfe
Nach Hautkontakt: Mit viel Wasser abspülen. Abtupfen mit Polyethylenglykol 400. Arzt aufsuchen.
Nach Augenkontakt: Nach Augenkontakt bei geöffnentem Lidspalt mindestens 10 Minuten mit Wasser spülen. Sofort Augenarzt konsultieren.
Nach Einatmen: Frischluft. Gegebenenfalls Atemspende. Rasche Gabe von Auxiloson-Spray. Arzt hinzuziehen.
Nach Verschlucken: Gabe von Paraffin liq., Erbrechen vermeiden. Sofort Arzt konsultieren.
Nach Kleidungskontakt: Kontaminierte Kleidung sofort ausziehen.
Ersthelfer: siehe gesonderten Anschlag

Sachgerechte Entsorgung
Kleinere Mengen Brommethan werden im Abzug vorsichtig in 10% Ammoniaklösung eingeleitet. Benutzte Gerätschaften im Abzug mit Ammoniaklösung reinigen.
Chemische Eigenschaften
Methyl bromide (bromomethane) is an odourless, sweetish, colourless gas, incompatible with oxidising agents and strong acids.
Chemische Eigenschaften
Bromomethane is a highly toxic compound and the US EPA has grouped it as a toxicity class I chemical substance. Bromomethane is a colorless gas or volatile liquid that is usually odorless, but has a sweet, chloroform-like odor at high concentrations and is easily miscible with ethanol, ether, aromatic carbon disulfi de, and ketones. It decomposes on heating and, on burning, produces highly toxic and irritating fumes, bromides, carbon oxybromide, carbon dioxide, and monoxide. It is also used as a general purpose fumigant to kill a variety of pests, including rats and insects, and a gas soil fumigant against insects, termites, rodents, weeds, nematodes, and soil-borne diseases. Bromomethane is used for post-harvest fumigation of foods, such as cereals, spices, dried fruits, nuts, fresh fruits, and vegetables. Although bromomethane is on the list of banned ozone-depleting chemical substances of the Montreal Protocol, in 2005 and 2006 it was granted a critical use exemption (under the Montreal Protocol). Bromomethane is an RUP and should be purchased and used only by certifi ed applicators.
Chemische Eigenschaften
Methyl bromide (Bromomethane) is an odorless, sweetish, colorless gas that has been used as a soil fumigant and structural fumigant to control pests across a wide range of agricultural sectors. Methyl bromide is soluble in ethanol, benzene, carbon disulfi de, and sparingly in water. During the 1920s, methyl bromide was used as an industrial fi re extinguishing agent. The current uses of methyl bromide include the fumigation of homes and other structures for the control of termites and other pests. Because methyl bromide depletes the stratospheric ozone layer, the amount produced and imported in the United States was reduced incrementally until it was phased out on January 1, 2005, pursuant to our obligations under the Montreal Protocol on Substances that Deplete the Ozone Layer (Protocol) and the Clean Air Act (CAA).
Chemische Eigenschaften
Methyl bromide is a colorless gas with a chloroform-like odor at high concentrations. A liquid below 3.3C. Shipped as a liquefied compressed gas.
Verwenden
In ionization chambers. For degreasing wool. Extracting oils from nuts, seeds, flowers. Soil or space fumigant for insects, fungi, rodents. Methylating agent. Has been used as fire extinguishing agent.
Verwenden
Please view www.aldrich.com/epaods regarding the EPA′s request for application information of Ozone Depleting Substances
Verwenden
Soil, space and food fumigant; disinfestation of potatoes, tomatoes and other crops.
Verwenden
Methyl bromide is used as a fumigant forpest control, for degreasing wool, and as a methylating agent. Its use as a refrigerant andin fire extinguishers is restrained because ofits health hazards.
Definition
ChEBI: A one-carbon compound in which the carbon is attached by single bonds to three bromine atoms and one hydrogen atom. It is produced naturally by marine algae.
Allgemeine Beschreibung
Colorless highly toxic volatile liquid or a gas. Boiling point 3.56°C (38.41°F). Usually odorless, but has a sweetish chloroform-like odor at high concentrations. Used as an insecticide, a rodenticide, a fumigant, a nematocide, a chemical intermediate and as a fire extinguishing agent.
Air & Water Reaktionen
Nonflammable over a wide range of concentrations in air. Slightly soluble in water (about 1.75 g/100 mL of solution at 20° C). Reacts slowly with water to give methyl alcohol and hydrobromic acid. [K-O Vol. 4].
Reaktivität anzeigen
Methyl bromide is incompatible with metals, dimethyl sulfoxide, ethylene oxide. [Lewis]. Can give flammable products if mixed with potassium hydroxide, sodium hydroxide and other strong bases. Methyl bromide in a steel tank reacted with an aluminum tube (part of the level gauge) producing methyl aluminum bromide. When the latter was subsequently exposed to air, enough heat was produced to ignite the Methyl bromide -compressed air mixture above the liquid layer. The ensuing explosion shattered the tank (also incompatible with zinc, magnesium, and alloys)[Chem. Eng. Pro. 58(8). 1962]. A reaction between Methyl bromide and dimethyl sulfoxide resulted in an explosion that shattered the apparatus [NFPA 491M. 1991].
Hazard
Toxic by ingestion, inhalation, and skin absorption; strong irritant to skin and upper respiratory tract. Questionable carcinogen.
Health Hazard
Exposures to bromomethane in high concentrations cause headaches, burns the skin, itching, redness, blisters, dizziness, nausea, vomiting, and weakness. Prolonged periods of exposure cause mental excitement, muscle tremors, seizures, bronchitis and pneumonia, numbness, tremor, speech defects, damage to the nervous system, lung, nasal mucosa, kidney, convulsions, respiratory paralysis, coma, and death. Human exposure to bromomethane is predominantly occupational, during manufacture and occupational fi eld fumigation.
Health Hazard
Exposures to methyl bromide by inhalation cause injury to the brain, nerves, lungs, and throat. At high doses, breathing methyl bromide causes injury to the kidneys and liver. The symptoms of methyl bromide toxicity and poisoning include, but are not limited to, dizziness, headache, abdominal pain, vomiting, weakness, hallucinations, loss of speech, incoordination, labored breathing, and convulsions. Contact with the skin and eyes can lead to irritation and burns. After serious exposures to methyl bromide, occupational workers suffer with lung and/or nervous system-related problems and permanent brain/ nerve damage. Laboratory study with species of animals indicated that bromomethane does not cause birth defects and does not interfere with normal reproduction except at high exposure levels
Health Hazard
Methyl bromide is a dangerous cumulative poison with delayed symptoms of central nervous system intoxication that may appear as long as several months after exposure. High concentrations can produce fatal pulmonary edema. Chronic exposure can cause central nervous system depression and kidney injury. It may cause severe and permanent brain damage. Severe neurological signs may appear when there is a sudden exposure to high concentrations following continuous slight exposure. Methyl bromide has practically no odor or irritating effects and therefore no warning, even at hazardous concentrations.
Health Hazard
The acute poisoning effects from inhalingmethyl bromide are headache, weakness,nausea, vomiting, loss of coordination, visualdisturbance, pulmonary edema, tremor, convulsions, hyperthermia, and coma. Massiveexposure may cause death from respiratoryparalysis. The toxicity of this compound iscomparable to that of methyl chloride. Thelethal concentration in humans has not beenmeasured accurately. The LC50 value in ratsis in the range 300 ppm after an 8-hour expo sure. Chronic exposure can cause injury tothe kidney and depression of the central nervous system.
The liquid, as well as the gas, may beabsorbed through the skin. Contact with theliquid can cause burns. Oral administrationof the liquid caused gastrointestinal tumorsin rats. Its carcinogenicity in humans is notknown.
Brandgefahr
When heated to decomposition, Methyl bromide emits toxic fumes of bromides. Hazardous polymerization may not occur.
Landwirtschaftliche Anwendung
Fumigant, Herbicide, Insecticide, Nematicide: The primary use of methyl bromide is as an insect fumigant to control insects, nematodes, weeds and pathogens in more than 100 crops and for soil, grain storage, warehouses, mills, ships, etc. Use of methyl bromide in the U.S. will be phased out under the requirements of the Montreal Protocol, with some exemptions. Methyl bromide is also used as a chemical intermediate and a methylating agent, a refrigerant, a herbicide, a fire-extinguishing agent, a low-boiling solvent in aniline dye manufacture, for degreasing wool, for extracting oils from nuts, seeds, and flowers, and in ionization chambers. It is used as an intermediate in the manufacture of many drugs. A U.S. EPA restricted Use Pesticide (RUP), NO INERT. Still actively registered for use in the U.S. (2013). As of March 18, 2005, the use of methyl bromide in the EU was banned for most purposes, including quarantine and pre-shipment fumigations.Registered for use in the U.S.
Handelsname
BROM-O-GAS®; BROM-OSOL ®; DAWSON® 100; DOWFUME®; EDCO®; EMBAFUME®; HALON 1001®; ISCOBROME®; KAYAFUME®; MATABROM®; METHO-GAS®; M-B-C FUMIGANT®; R 40B1®; ROTOX®; TERABOL®; TERR-O-GAS®; ZYTOX®
Sicherheitsprofil
Suspected carcinogen with experimental carcinogenic data. A human poison by inhalation. Human systemic effects by inhalation: anorexia, nausea or vomiting. Corrosive to skin; can produce severe burns. Human mutation data reported. A powerful fumigant gas that is one of the most toxic of the common organic hahdes. It is hemotoxic and narcotic with delayed action. The effects are cumulative and damaging to nervous system, hdneys, and lung. Central nervous system effects include blurred vision, mental confusion, numbness, tremors, and speech defects. Methyl bromide is reported to be eight times more toxic on inhalation than ethyl bromide. Moreover, because of its greater volatility, it is a much more frequent cause of poisoning. Death following acute poisoning is usually caused by its irritant effect on the lungs. In chronic poisoning, death is due to injury to the central nervous system. Fatal poisoning has always resulted from exposure to relatively high concentrations of methyl bromide vapors (from 8600 to 60,000 ppm). Nonfatal poisoning has resulted from exposure to concentrations as low as 100-500 ppm. In addtion to injury to the lung and central nervous system, the kidneys may be damaged, with development of albuminuria and, in fatal cases, cloudy swelhng and/or tubular degeneration. The liver may be enlarged. There are no characteristic blood changes. Mixtures of 10-1 5 percent with air may be ignited with difficulty. Moderately explosive when exposed to sparks or flame. Forms explosive mixtures with air within narrow limits at atmospheric pressure, with wider limits at higher pressure. The explosive sensitivity of mixtures with air may be increased by the presence of aluminum, magnesium, zinc, or their alloys. Incompatible with metals, dunethyl sulfoxide, ethylene oxide. To fight fire, use foam, water, CO2, dry chemical. When heated to decomposition it emits toxic fumes of Br-. See also BROMIDES
mögliche Exposition
Methyl bromide is used in fire extinguishers; as a fumigant in pest control and as a methylation agent in industry as an insect fumigant for soil, grain, warehouses, mills, ships, etc. It is also used as a chemical intermediate and a methylating agent; a refrigerant; a herbicide; a low-boiling solvent in aniline dye manufacture; for degreasing wool; for extracting oils from nuts, seeds, and flowers; and in ionization chambers. It is used as an intermediate in the manufacture of many drugs.
Erste Hilfe
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy. If frostbite has occurred, seek medical attention immediately; do NOT rub the affected areas or flush them with water. In order to prevent further tissue damage, do NOT attempt to remove frozen clothing from frostbitten areas. If frostbite has NOT occurred, immediately and thoroughly wash contaminated skin with soap and water
Environmental Fate
Photolytic. When methyl bromide and bromine gas (concentration = 3%) was irradiated at 1850 ?, methane was produced (Kobrinsky and Martin, 1968).
Chemical/Physical. Methyl bromide hydrolyzes in water forming methanol and hydrobromic acid. The estimated hydrolysis half-life in water at 25°C and pH 7 is 20 days (Mabey and Mill, 1978). Forms a voluminous crystalline hydrate at 0–5°C (Keith and Walters, 1992).
When methyl bromide was heated to 550°C in the absence of oxygen, methane, hydrogen, bromine, ethyl bromide, anthracene, pyrene and free radicals were produced (Chaigneau et al., 1966).
Emits toxic bromide fumes when heated to decomposition (Lewis, 1990).
Lager
Handling and storage of bromomethane cylinders must meet the specifi cations laid down by the regulatory authorities. The cylinders must undergo the required and periodic tests
Lager
Methyl bromide (Bromomethane) should be kept stored in sealed containers to keep it from evaporating.
Versand/Shipping
UN1062 Methyl bromide, Hazard Class: 2.3; Labels: 2.3-Poisonous gas, Inhalation Hazard Zone C. Cylinders must be transported in a secure upright position, in a well-ventilated truck. Protect cylinder and labels from physical damage. The owner of the compressed gas cylinder is the only entity allowed by federal law (49CFR) to transport and refill them. It is a violation of transportation regulations to refill compressed gas cylinders without the express written permission of the owner
läuterung methode
Purify it by bubbling through conc H2SO4, followed by passage through a tube containing glass beads coated with P2O5. Also purify it by distillation from AlBr3 at -80o, by passage through a tower of KOH pellets and by partial condensation. [Beilstein 1 IV 68.]
Inkompatibilitäten
Attacks aluminum to form spontaneously flammable aluminum trimethyl. Incompatible with strong oxidizers, aluminum, dimethylsulfoxide, ethylene oxide; water. Attacks zinc, magnesium, alkali metals and their alloys. Attacks some rubbers and coatings. Methyl bromide reacts with water to generate hydrobromic acid and methanol but the reaction is so slow that it can be disregarded for most practical purposes.
Waste disposal
Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform to EPA regulations governing storage, transportation, treatment, and waste disposal. A poisonous gas. Must be handled by experts: the recommended disposal procedure is to spray the gas into the fire box of an incinerator equipped with an afterburner and scrubber (alkali).
Vorsichtsmaßnahmen
Occupational workers should use appropriate ventilation during production and formulation of bromomethane at the workplace. The ventilation must be suffi cient to maintain the levels of bromomethane below the prescribed OEL. Local exhaust ventilation at source or vapor extraction may also be used. Gloves or rubber boots should not be used as the liquid or concentrated vapor may be trapped inside them
Brommethan Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Schwefel Tetrachlorvinphos Globuline, γ- Brom Methanol Natriumhydroxid
Downstream Produkte
Methyltriphenylphosphoniumbromid 4,4-Dimethylpentan-2-on Vecuroniumbromid 3-(((Dimethylamino)carbonyl)oxy)-N,N,N-trimethyl-benzolaminium-bromid Methylmagnesiumbromid Bretyliumtosilat 3-Benzoylphenylessigsure 3-Hydroxy-2-methyl-4-pyron N-Methyl-N-(1-methylethyl)-N-(2-((9H-xanthen-9-yl-carbonyl)oxy)ethyl)-2-propanaminium-bromid Metribuzin Pancuroniumbromid 17,21-Dihydroxy-16β-methylpregna-1,4,9(11)-trien-3,20-dion-21-acetat 1,2-Dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-on Dimethyldisulfid (Dihydro-3,3-diphenyl-3H-furan-2-yliden)dimethylammoniumbromid 9-Vinylanthracen Trimethyloctadecylammoniumbromid Dexamethason-21-acetat 9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-dien-3,20-dion-21-acetat
Brommethan Anbieter Lieferant Produzent Hersteller Vertrieb Händler.      Global( 102)Lieferanten     
Firmenname Telefon Fax E-Mail Land Produktkatalog Edge Rate
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733sales@mainchem.com CHINA 32457 55
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 20516 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 23982 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254
peter@hubeijusheng.com CHINA 20094 58
Shanghai wechem chemical co., ltd 021-5198 7501
021-6192 7501info@wechem.cn China 286 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933jkinfo@jkchemical.com;market6@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 86-21-50328103 * 801、802、803、804 Mobile:18930552037
86-21-503281093bsc@sina.com China 15884 69
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800info@energy-chemical.com China 44046 61
Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
+86-10-82967029sales@ouhechem.com China 12500 60
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078,021-50426030
86-021-50426522,50426273sales@jingyan-chemical.com China 10012 60
 
74-83-9(Brommethan)Verwandte Suche:
Bromtrimethylsilan Methylacrylat Tribrommethan Methyltriphenylphosphoniumbromid Methyl Kresoxim-methyl Methyl-4-hydroxybenzoat 3,8-Diamino-1-ethyl-6-phenylphe-nantridinium-bromid Brom(diphenyl)methan Tetramethylammoniumbromid Tribenuron methyl Clidiniumbromid Dibrommethan Natriumbromat 3-Brom-α,α,α-trifluortoluol 4-Brom-α,α,α-trifluortoluol Methanol 4-Bromtoluol
(mono)bromomethane 1-Bromomethane bromuredemethyle bromuredemethyle(french) Bromuro di metile bromurodimetile Broommethaan caswellno555 Celfume CH3Br Curafume Dawson 100 dawson100 Detia gas ex-M detiagasex-m Dowfume Dowfume mc-2 Dowfume mc-2 soil fumigant Dowfume mc-33 dowfumemc-2 dowfumemc-2fumigant dowfumemc-2r dowfumemc-2soilfumigant dowfumemc-33 drexelplantbedgas Edco epapesticidechemicalcode053201 F40B1 Fumigant-1 fumigant-1(obs.) Halon 1001 halon1001 halon-1001 Haltox Iscobrome Kayafume mbc-33soilfumigant m-b-cfumigant mbcsoilfumigant m-b-r98 MBX Mebr Merth-O-gas Metafume Methane, bromo- methane,bromo Methane,bromo- Methogas meth-o-gas Methybrom Methylbromid methylbromide(bromomethane) methylbromideandnonflammable,nonliquefiedcompressedgasmixture methylbromiderodentfumigant(withchloropicrin) methylfume Metylu bromek metylubromek terr-o-cideii
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