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Molybddntrioxid Produkt Beschreibung

Molybdenum trioxide Struktur
1313-27-5
CAS-Nr.
1313-27-5
Bezeichnung:
Molybddntrioxid
Englisch Name:
Molybdenum trioxide
Synonyma:
MoL;MoO3;mo1202t;Mo 1202T;Molybdena;Moly Oxide;MOLYBDIC OXIDE;Molybdntrioxid;CATALYST DC-160;naturalmolybdite
CBNumber:
CB6180308
Summenformel:
MoO3
Molgewicht:
143.94
MOL-Datei:
1313-27-5.mol

Molybddntrioxid Eigenschaften

Schmelzpunkt:
795 °C(lit.)
Siedepunkt:
1155 °C
Dichte
4.692
Flammpunkt:
1155°C subl.
storage temp. 
Store at +5°C to +30°C.
Löslichkeit
0.49g/l
Aggregatzustand
Sublimed Powder
Wichte
4.69
Farbe
White to gray
Wasserlöslichkeit
0.5 g/L (20 ºC)
Merck 
14,6239
InChIKey
JKQOBWVOAYFWKG-UHFFFAOYSA-N
CAS Datenbank
1313-27-5(CAS DataBase Reference)
IARC
2B (Vol. 118) 2018
NIST chemische Informationen
Molybdenum(vi) oxide(1313-27-5)
EPA chemische Informationen
Molybdenum trioxide (1313-27-5)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
Kennzeichnung gefährlicher Xn,Xi
R-Sätze: 36/37-48/20/22-40
S-Sätze: 22-23-25-36/37
WGK Germany  1
RTECS-Nr. QA4725000
TSCA  Yes
HazardClass  6.1
HS Code  28257000
Giftige Stoffe Daten 1313-27-5(Hazardous Substances Data)
Toxizität LD50 orally in Rabbit: 2689 mg/kg LD50 dermal Rat > 2000 mg/kg
Bildanzeige (GHS)
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H301 Giftig bei Verschlucken. Akute Toxizität oral Kategorie 3 Achtung P264, P270, P301+P310, P321, P330,P405, P501
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung P264, P280, P305+P351+P338,P337+P313P
H335 Kann die Atemwege reizen. Spezifische Zielorgan-Toxizität (einmalige Exposition) Kategorie 3 (Atemwegsreizung) Warnung
H351 Kann vermutlich Krebs verursachen. Karzinogenität Kategorie 2 Warnung P201, P202, P281, P308+P313, P405,P501
Sicherheit
P201 Vor Gebrauch besondere Anweisungen einholen.
P261 Einatmen von Staub vermeiden.
P281 Vorgeschriebene persönliche Schutzausrüstung verwenden.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.
P405 Unter Verschluss aufbewahren.

Molybddntrioxid Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:

R36/37:Reizt die Augen und die Atmungsorgane.
R48/20/22:Gesundheitsschädlich: Gefahr ernster Gesundheitsschäden bei längerer Exposition durch Einatmen und durch Verschlucken.

S-Sätze Betriebsanweisung:

S22:Staub nicht einatmen.
S23:Gas/Rauch/Dampf/Aerosol nicht einatmen(geeignete Bezeichnung(en) vom Hersteller anzugeben).
S25:Berührung mit den Augen vermeiden.

Chemische Eigenschaften

Molybdenum trioxide is an odorless, white crystalline powder that turns yellow when heated.
Molybdenum trioxide
Molybdenum trioxide is perhaps the most important compound of molybdenum. Pure molybdenum trioxide is used in chemical and catalyst manufacture. The technical product is added to steel as an alloying agent. Molybdenum trioxide also serves as a catalyst in the petroleum industry and as a component of ceramics, enamels and pigments.

Physikalische Eigenschaften

Soft white powder; orthorhombic crystals; turns yellow on heating; density 4.69 g/cm3 at 21°C; melts at 795°C without decomposition to a dark yellow liquid; vapor pressure 20 torr at 851°C and 200 torr at 1,014°C; boils at 1,155°C; sparingly soluble in cold water (1.066 g/L at 18°C) and moderately soluble in hot water (20.55 g/L at 70°C); dissolves in acids and alkalies.

Verwenden

Molybdenum trioxide (MnO3) is a compound used to make enamels adhere to metals.

Verwenden

Molybdenum(VI) oxide is used in catalyst compositions to carry out desulfurization of petroleum feedstocks and to remove nitrogen-containing compounds from petroleum fractions. Other uses of this oxide include preparation of various molybdate salts and as reagents for chemical analyses.

Verwenden

Chiefly as a reagent for chemical analysis.Used for trace metal analysis.

synthetische

Molybdenum(VI) oxide is obtained by igniting molybdenum or its compounds in air:
2Mo + 3O2 → 2MoO3
2MoS2 + 7O2 → 2MoO3 + 4SO2
MoS2 + 4O2 → MoO3 + SO2 + SO3
Roasting the sulfide is carried out in a multiple-hearth roaster under controlled temperature and airflow. The product mixture is sublimed to obtain high purity oxide.
Purified molybdenum(VI) oxide also is made by prolonged heating of ammonium molybdate in air:
(NH4)2Mo2O7 → 2MoO3 + 2NH3 + H2O
An alternative method involves repeatedly evaporating a mixture of ammonium molybdate and nitric acid. Ammonium nitrate so formed is separated from the product molybdenum(VI) oxide by extraction with water:
(NH4)2Mo2O7 + 2HNO3 → 2MoO3 + 2NH4NO3 + H2O

Allgemeine Beschreibung

Colorless to white or yellow odorless solid. Sinks in water.

Air & Water Reaktionen

Insoluble in water.

Reaktivität anzeigen

Molybdenum trioxide reacts violently with chlorine trifluoride, lithium, potassium and sodium. Readily combines with acids and bases to form a series of polymeric compounds. Incompatible with interhalogens and metals. A violent detonation occurs when heated with molten magnesium.

Hazard

Toxic material.

Health Hazard

Compound is relatively nontoxic. Dust irritates eyes.

Brandgefahr

Flash point data for Molybdenum trioxide are not available, but Molybdenum trioxide is probably non-flammable.

Sicherheitsprofil

Poison by ingestion, subcutaneous, and intraperitoneal routes. Human systemic effects by inhalation: pulmonary fibrosis and cough. Questionable carcinogen with experimental neoplastigenic data. A powerful irritant. Explodes on contact with molten magnesium. Violent reaction with interhalogens (e.g., bromine pentafluoride, chlorine trifluoride). Incandescent reaction with hot sodium, potassium, or lithium. When heated to decomposition it emits toxic fumes of Mo.

mögliche Exposition

Molybdenum trioxide is used in agriculture; manufacture of metallic molybdenum, ceramic glazes; enamels, pigments, and in analytical chemistry.

Versand/Shipping

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

läuterung methode

Crystallise it from water (1g/50mL) between 70o and 0o. The solubility in H2O is 0.1% at 18o, and 2% at 70o. It is a white powder which turns yellow reversibly on heating. It sublimes readily at 1155o/760mm. [Hein & Herzog Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1412 1965.]

Inkompatibilitäten

Explodes on contact with molten magnesium. Violent reaction with strong oxidizers, such as chlorine trifluoride; bromine pentafluoride. Not compatible with strong acids; active metals (sodium, potassium, lithium).

Molybddntrioxid Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Molybddntrioxid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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1313-27-5(Molybddntrioxid)Verwandte Suche:


  • Mo 1202T
  • mo1202t
  • Molybdena
  • Molybdenum anhydride
  • Molybdenum(VI) oxide, 99.95% (metals basis)
  • Molybdenum(VI) oxide, Puratronic(R), 99.998% (metals basis excluding W), W 300ppm max
  • MOLYBDENIUM TRIOXIDE pure
  • Molybdenum(VI) oxide, Puratronic, 99.998% (metals basis excluding W), W 300ppm max
  • Molybdenum(VI) oxide, Puratronic, 99.9995% (metals basis)
  • Molybdenum (VI) oxide on alumina, catalyst
  • Molybdenum disufide solid lubricanting film
  • Molybdenum(VI) trioxide
  • Molybdenum trioxide,refined
  • MOLYBDENIUMTRIOXIDE
  • Molybdenum(VI) Oxide 99%
  • MolybdenuM(VI) oxide, 99.999%, (trace Metal basis)
  • MolybdenuM(VI) oxide, 99+% 100GR
  • MolybdenuM(VI) oxide, Puratronic|r, 99.9995% (Metals basis excluding W)
  • Molybdenum(VI) oxide/ 99.9+%
  • Molybdenum(VI) oxide/ 99.999%
  • Molybdenum(VI) oxide,Molybdenum trioxide
  • Molybdenum (VI) oxide on alumina, catalyst (10-12% MoO3)
  • MOLYBDENUM TRIOXIDE, ACS
  • MoO3 , MolybdenuM(VI) Oxide
  • MolybdenuM(VI) oxide, ACS reagent
  • MOLYBDENUM(VI) OXIDE FOR ANALYSIS
  • Molybdenum(VI) oxide, Puratronic (metals basis excluding W), W 300ppm max
  • MolybdenuM(VI) oxide 99.98% trace Metals basis
  • MolybdenuM(VI) oxide, 99.9995% (Metals basis excluding W)
  • Molybdenum(VI) oxide 99.97% trace metals basis
  • Molybdenum(VI) oxide ACS reagent, >=99.5%
  • Molybdenum(VI) oxide nanopowder, 100 nm (TEM), 99.5% trace metals basis
  • Molybdenum(VI) oxide puriss. p.a., 99.5%
  • Molybdenum(VI) oxide ReagentPlus(R), >=99.5%
  • Molybdenum(VI) oxide Vetec(TM) reagent grade
  • Molybdenum(VI) oxideACS reagent, ≥ 99.5% (Titration)
  • Molybdenum(VI)oxide Molybdic anhydride Molybdic acid anhydride
  • Molybdenum(VI) oxide, For analysis ACS
  • Molybdenum oxide, For analysis ACS
  • Molybdenumanhydride
  • molybdenumoxide(moo3)
  • molybdenumperoxide
  • Molybdic acid hydride
  • MoO3
  • Natural molybdite
  • naturalmolybdite
  • Molybdenum(VI) oxide, 99.995% trace metals basis excluding W
  • Molybdenum(VI) oxide, 99.95% trace metals basis
  • Molybdenum(VI) oxide, 99.9995% trace metals basis excluding W
  • MolybdenuM oxide (MoO6)
  • Molybdenum trioxide (MoO3)
  • MOLYBDENUM TRIOXIDE
  • Molylxlic trioxide
  • MOLYBDENUM OXIDE
  • MOLYBDIC ACID ANHYDRIDE
  • 99.99% SynonyMs MolybdenuM(VI) oxide
  • MoL
  • ybdenum(VI) oxide
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