Mangan

Manganese Struktur
7439-96-5
CAS-Nr.
7439-96-5
Bezeichnung:
Mangan
Englisch Name:
Manganese
Synonyma:
Dienol;MANGANESE METAL;Manganese powder;MANGANESE METAL POWDER;Mangan;MANGANESE STANDARD;MANGANESE ELECTROLYTIC;MANGANESE STANDARD SOLUTION;cutaval;Magnacat
CBNumber:
CB5683079
Summenformel:
Mn
Molgewicht:
54.94
MOL-Datei:
7439-96-5.mol

Mangan Eigenschaften

Schmelzpunkt:
1244 °C (lit.)
Siedepunkt:
1962 °C (lit.)
Dichte
7.3 g/mL at 25 °C (lit.)
Dampfdruck
0-0Pa at 20℃
Flammpunkt:
450℃
storage temp. 
no restrictions.
Löslichkeit
H2O: soluble
Aggregatzustand
Powder
Farbe
Gray-brown to brown-black
Wichte
7.2
PH
<1 (H2O, 20°C)
Widerstand (resistivity)
185 μΩ-cm, 20°C
Wasserlöslichkeit
Soluble in diluted acids. Insoluble in water.
Merck 
13,5745
Expositionsgrenzwerte
Ceiling: 5 mg(Mn)/m3 (ACGIH and OSHA) TWA: 1 mg(Mn)/m3 (NIOSH).
Stabilität:
Stable. Incompatible with water, strong oxidizing agents, strong acids, phosphorus.
InChIKey
PWHULOQIROXLJO-UHFFFAOYSA-N
CAS Datenbank
7439-96-5(CAS DataBase Reference)
NIST chemische Informationen
Manganese(7439-96-5)
EPA chemische Informationen
Manganese (7439-96-5)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
Kennzeichnung gefährlicher F,Xi,T,C
R-Sätze: 36/38-15-11-34-23/24/25-2017/11/15
S-Sätze: 45-43-26-36-36/37/39-27
RIDADR  UN 3264 8/PG 3
WGK Germany  2
RTECS-Nr. OO9625000
TSCA  Yes
HS Code  8111 00 11
HazardClass  8
PackingGroup  III
Giftige Stoffe Daten 7439-96-5(Hazardous Substances Data)
Toxizität LD50 orally in Rabbit: 9000 mg/kg
IDLA 500 mg Mn/m3
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H228 Entzündbarer Feststoff. Entzündbare Feststoffe Kategorie 1 Achtung
Warnung
P210, P240,P241, P280, P370+P378
Sicherheit
P210 Von Hitze, heißen Oberflächen, Funken, offenen Flammen und anderen Zündquellenarten fernhalten. Nicht rauchen.
P240 Behälter und zu befüllende Anlage erden.
P241 Explosionsgeschützte [elektrische/Lüftungs-/ Beleuchtungs-/...] Geräte verwenden.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P370+P378 Bei Brand: zum Löschen verwenden.

Mangan Chemische Eigenschaften,Einsatz,Produktion Methoden

ERSCHEINUNGSBILD

GRAU- WEISSES PULVER

PHYSIKALISCHE GEFAHREN

Staubexplosion der pulverisierten oder granulierten Substanz in Gemischen mit Luft möglich.

CHEMISCHE GEFAHREN

Reagiert langsam mit Wasser,schneller mit Wasserdampf und Säuren unter Bildung brennbarer/explosionsfähiger Gase (z.B. Wasserstoff, ICSC-Nr. 0001). Feuer- und Explosionsgefahr.

ARBEITSPLATZGRENZWERTE

TLV: (0.2) mg/m?(als TWA); (ACGIH 2005).
MAK: 0.5 mg/m?(Einatembare Fraktion); Schwangerschaft: Gruppe C; (DFG 2008).

AUFNAHMEWEGE

Aufnahme in den Körper durch Inhalation des Aerosols und durch Verschlucken.

INHALATIONSGEFAHREN

Verdampfung bei 20°C vernachlässigbar; eine gesundheitsschädliche Partikelkonzentration in der Luft kann jedoch beim Dispergieren schnell erreicht werden.

WIRKUNGEN BEI KURZZEITEXPOSITION

WIRKUNGEN BEI KURZZEITEXPOSITION:
Das Aerosol reizt die Atemwege.

WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION

Möglich sind Auswirkungen auf Lungeund Zentralnervensystem. Führt zu erhöhter Anfälligkeit für Bronchitis, Lungenentzündung und neurologischen, neuropsychiatrischen Erkrankungen (Manganismus). Tierversuche zeigen, dass die Substanz möglicherweise fruchtbarkeitsschädigend oder entwicklungsschädigend wirken kann.

LECKAGE

Verschüttetes Material in Behältern sammeln. Reste sorgfältig sammeln. An sicheren Ort bringen. Persönliche Schutzausrüstung: Atemschutzgerät, P2-Filter für schädliche Partikel.

R-Sätze Betriebsanweisung:

R36/38:Reizt die Augen und die Haut.
R15:Reagiert mit Wasser unter Bildung hochentzündlicher Gase.
R11:Leichtentzündlich.
R34:Verursacht Verätzungen.
R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.

S-Sätze Betriebsanweisung:

S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
S43:Zum Löschen . . . (vom Hersteller anzugeben) verwenden (wenn Wasser die Gefahr erhöht, anfügen: "Kein Wasser verwenden").
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S27:Beschmutzte, getränkte Kleidung sofort ausziehen.

Beschreibung

Manganese occurs as a free element in nature and is ubiquitous in the environment. The origin and uses of this black mineral date back to the Greek golden period. Manganese was known as pyrolusite or manganese dioxide. A Swedish chemist, Carl Wilhelm Scheele, used pyrolusite to produce chlorine in the mid-eighteenth century. But not until 1774 was manganese isolated and purified as a metal by Johan Gottlieb Gahn by reducing the dioxide with carbon. Manganese is an essential element for humans and animals.

Chemische Eigenschaften

Manganese is a combustible, lustrous, brittle, silvery soft metal. It may be found in chunks, powder, or flakes. The most important ore containing manganese is pyrolusite. Manganese may also be produced from ferrous scrap used in the production of electric and open-hearth steel.

Physikalische Eigenschaften

Manganese is a reactive metal that has several oxidation states (2, 3, 4, 6, and 7) thatare responsible for its varied chemical compounds. The chemical and physical properties ofmanganese are similar to the properties of its companions in group 7—technetium (43Tc) andrhenium (75Re).Pure manganese is a gray-white metal that is somewhat similar to iron, located just to theright of it in period 4. Manganese is a reactive element that, over time, will decompose in coldwater and will rust (oxidize) in moist air. It has magnetic properties but is not as magnetic asiron. Its melting point is 1,233°C, its boiling point is 1962°C, and its density is 7.44 g/cm3.

Isotopes

There are 30 isotopes of manganese, ranging from Mn-44 to Mn-69, with onlyone being stable: Mn-55 makes up 100% of the element in the Earth’s crust. All theother isotopes are artificially radioactive with half-lives ranging from 70 nanoseconds to3.7×106 years. Artificial radioisotopes are produced in nuclear reactors, and becausemost radioactive isotopes are not natural, they do not contribute to the element’s naturalexistence on Earth.

Origin of Name

The name manganese is derived from the mineral magnesite (or dolomite, a compound of magnesium carbonate), which was mined in the region of Magnesia of ancient Greece.

Charakteristisch

There are four allotropic forms of manganese, which means each of its allotropes has a different crystal form and molecular structure. Therefore, each allotrope exhibits different chemical and physical properties (see the forms of carbon—diamond, carbon black, and graphite).The alpha (α) allotrope is stable at room temperature whereas the gamma (γ) form is soft,bendable, and easy to cut. The delta ? allotrope exists only at temperatures above 1,100°C. Asa pure metal, it cannot be worked into different shapes because it is too brittle. Manganese isresponsible for the color in amethyst crystals and is used to make amethyst-colored glass.

Verwenden

In manufacture of steel; for rock crushers, railway points and crossings, wagon buffers; as a constituent of several alloys, e.g., ferromanganese, copper manganese, Manganin.

Definition

A transition metal occurring naturally as oxides, e.g. pyrolusite (MnO2). Nodules found on the ocean floor are about 25% manganese. Its main use is in alloy steels made by adding pyrolusite to iron ore in an electric furnace. Manganese decomposes cold water and dilute acids to give hydrogen and reacts with oxygen and nitrogen when heated. The oxidation states are +7, +6, +4, and (the most stable) +2. Manganese(II) salts are pale pink and with alkali the solutions precipitate manganese(II) hydroxide, which rapidly oxidizes in air to brown manganese(III) oxide. Symbol: Mn; m.p. 1244°C; b.p. 1962°C; r.d. 7.44 (20%C); p.n. 25; r.a.m. 54.93805.

Vorbereitung Methode

World manganese ore production was estimated to be 13.3 million ton (as manganese) in 2008. Top five manganese-producing countries were South Africa, Australia, China, Gabon, and Brazil. World manganese ferroalloy production in 2008 was 13.2 million ton (MT) (10). Metallurgical applications account for most manganese consumption. In the United States, 85–90% of this is for steelmaking. Manganese is essential in iron and steel production because of its sulfur-fixing, deoxidizing, and alloying properties. As an alloying agent in finished steel, manganese contributes increased strength, hardness, and corrosion resistance. Practically all steels contain manganese; low-carbon steels contain 0.15–0.8% manganese, whereas high-strength steels contain over 1% manganese. Stainless steels typically contain about 1% manganese, but there are manganese-stainless steels (200 series stainless steels) where nickel is replaced partly or entirely by manganese, resulting in manganese content of 4–16%.

Allgemeine Beschreibung

A lustrous brittle silvery solid.

Air & Water Reaktionen

During a fire in an industrial bag filter, a mixture of aluminum and Manganese dusts was released and an explosion resulted [Occ. Haz. 28:185-7. 1946-47].

Reaktivität anzeigen

Manganese dust(finely divided) has been known to be pyrophoric. Powdered Manganese ignites in chlorine and burns brilliantly; with fluorine the reaction takes place with incandescence [Mellor 12:185, 344. 1946-47]. Concentrated nitric acid reacts with Manganese with incandescence and a feeble explosion [Mellor 12:188. 1946-47]. Manganese or potassium ignites in nitrogen dioxide [Ann. Chim. et Phys.(2) 2:317]. Manganese burns with a brilliant flame when heated in sulfur dioxide vapor [Mellor 12:187. 1946-47]. Contact with conc. hydrogen peroxide causes violent decomposition and/or ignition.

Hazard

Dust or powder is flammable. Use dry chemical to extinguish. Toxic. Central nervous system impairment. Questionable carcinogen.

Sicherheitsprofil

Human systemic effects by inhalation: degenerative brain changes, change in motor activity, muscle weakness. A skin and eye irritant. Questionable carcinogen with experimental tumorigenic data. Flammable and moderately explosive in the form of dust or powder when exposed to flame. The dust ma)' be pyrophoric in air and may explode when heated in carbon dioxide. Murtures of aluminum dust and manganese dust may explode in air. mxtures with ammonium nitrate may explode when heated. The powdered metal igmtes on contact with fluorine, chlorine + heat, hydrogen peroxide, bromine pentafluoride, sulfur dioxide + heat. Violent reaction with NO2 and oxidants. Incandescent reaction with phosphorus, nitryl fluoride, nitric acid. Wdl react with water or steam to produce hydrogen; can react with oxidizing materials. To fight fire, use special dry chemical. See also MANGANESE COMPOUNDS.

mögliche Exposition

Manganese is used in the production of steel; and in the manufacture of welding rod coatings and fluxes; in the iron and steel industry in steel alloys, e.g., ferro-manganese, silico-manganese, manganin, spiegeleisen; and as an agent to reduce oxygen and sulfur content of molten steel. Other alloys may be formed with copper, zinc, and aluminum. Manganese and its compounds are utilized in the manufacture of dry cell batteries (MnO2), paints, varnishes, inks, dyes, matches, and firework; as a fertilizer, disinfectant, bleaching agent; laboratory reagent; drier for oils; an oxidizing agent in the chemical industry particularly in the synthesis of potassium permanganate; and as a decolorizer and coloring agent in the glass and ceramics industry. Exposure may occur during the mining, smelting, and refining of manganese; in the production of various materials; and in welding operations with manganese-coated rods. Manganese normally is ingested as a trace nutrient in food. The average human intake is approximately 10 mg/day

Versand/Shipping

UN3089 Metal powders, flammable, n.o.s., Hazard Class: 4.1; Labels: 4.1-Flammable solid. UN3077Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required

Inkompatibilitäten

Dust, powder, or finely divided material has been known to be pyrophoric or explosive in air. Compact, solid metallic magnesium is nonflammable. Reacts with water (slowly), steam, or acid producing flammable hydrogen gas. Reacts violently with concentrated hydrogen peroxide. Incompatible with nitrogen gas above 200C. Oxidizers, nitric acid; nitrogen, finely divided aluminum and other metals; sulfur dioxide; carbon dioxide 1 heat may cause fire and explosions

Waste disposal

Generators of waste (equal to or greater than 100 kg/mo) containing this contaminant, EPA hazardous waste number N450, must conform to USEPA regulations for storage, transportation, treatment, and disposal of waste. Dispose of waste material as hazardous waste using a licensed disposal contractor to an approved landfill. Dispose of contents and container to an approved waste disposal plant. Containers must be disposed of properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office. All federal, state, and local environmental regulations must be observed. Do not discharge into drains or sewers. Manganese metal-sanitary landfill. Manganese chloride or sulfate-chemical conversion to the oxide followed by land filling, or conversion to the sulfate for use in fertilizer. Consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Mangan Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Mangan Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global( 302)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21700 55
career henan chemical co
+86-0371-86658258
sales@coreychem.com China 29914 58
Hubei Jusheng Technology Co.,Ltd.
18871490254
linda@hubeijusheng.com CHINA 28180 58
Hubei xin bonus chemical co. LTD
86-13657291602
linda@hubeijusheng.com CHINA 22968 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671
sales@tnjchem.com China 34572 58
Shaanxi Dideu Medichem Co. Ltd
+86-029-89586680 +86-18192503167
1026@dideu.com China 9802 58
Zhuoer Chemical Co., Ltd
02120970332; +8613524231522
sales@zhuoerchem.com China 3010 58
LEAP CHEM CO., LTD.
+86-852-30606658
market18@leapchem.com China 24738 58
SUZHOU SENFEIDA CHEMICAL CO.,LTD
+86-0512-83500002 +8615195660023
sales@senfeida.com China 5100 58
Shanghai Acmec Biochemical Technology Co., Ltd.
+undefined18621343501
product@acmec-e.com China 33349 58

7439-96-5(Mangan)Verwandte Suche:


  • MANGANESE ICP STANDARD
  • MANGANESE, ANALYTICAL STANDARD
  • MANGANESE ATOMIC ABSORPTION SINGLE ELEMENT STANDARD
  • MANGANESE ATOMIC ABSORPTION STANDARD
  • MANGANESE ATOMIC ABSORPTION STANDARD SOLUTION
  • MANGANESE ATOMIC SPECTROSCOPY STANDARD
  • Manganese, 99+%
  • Manganese sputtering target, 50.8mm (2.0 in.) dia. x 3.18mm (0.125 in.) thick
  • Manganese, Oil based standard solution, Mn 5000μg/g
  • Manganese pieces, 10mm and down, ultrapure
  • Manganese Oil based standard solution, Mn 1000μg/g
  • Manganese standard solution, 1 mg/ml Mn in 2% HNO3
  • Manganese plasma standard solution, Mn 10,000μg/mL
  • Manganese sputtering target, 50.8mm (2.0 in.) dia. x 6.35mm (0.250 in.) thick
  • Manganese, 99.5%
  • ASTM A601
  • Colloidal manganese
  • colloidalmanganese
  • cutaval
  • Magnacat
  • Mangan nitridovany
  • mangan(polish)
  • manganesecompoundsandfume
  • TRONAMANG(R)
  • MANGANESE, CHIP, <1.5MM THICK, 99.98%
  • MANGANESE SCALES EXTRA PURE
  • MANGANESE, POWDER, -325 MESH, 99+%
  • MANGANESE, POWDER, 99.99%
  • MANGANESE, POWDER, -50 MESH, 99.9%
  • Manganese standard for ICP
  • manganese,metallic
  • Manganese granules, 0.8-10mm (0.03-0.40in), 99.98% (metals basis)
  • Manganese AA Standard,1000 ppm in HNO3
  • Manganese-55
  • Manganese chips
  • Manganese powder, APS <10 micron, 99.6% (metals basis)
  • Manganese standard for water analysis
  • MANGANESE STANDARD SOLUTION TRACEABLE TO
  • MANGANESE ICP STANDARD TRACEABLE TO SRM
  • MANGANESE STANDARD 1000 MG MN (MNCL2 IN
  • MANGANESE POWDER 99+ 250 G
  • Manganese pieces
  • Manganes Solution
  • Manganese, ultrapure, 99.9998% (Metals basis), pieces 10MM and down, aMpouled
  • Manganese Metal, 50-325 Mesh, Powder
  • Manganese granules
  • manganese(0)
  • manganese atom
  • MN000200
  • MN000150
  • MN000160
  • MN000301
  • MN000300
  • MN000110
  • MN000130
  • MN000170
  • MN007905
  • MN000050
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