Molybdenum trioxide CAS#1313-27-5

CAS Number: 1313-27-5
Chemical Formula: MoO3
Synonyms:

Molybdenum anhydride
Molybdenum(VI) oxide, 99.95% (metals basis)
MOLYBDENIUM TRIOXIDE pure

Appearance: White Powder

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Molybdenum trioxide CAS#1313-27-5

Molybdenum trioxide is an odorless, whitecrystalline powder that turns yellow when heated; Freezing/Melting point 5 795℃. Hazard Identification (based onNFPA-704 M Rating System): Health 2, Flammability 0,Reactivity 0. Slightly soluble in water.

Molybdenum trioxide Chemical Properties

Melting point	795 °C(lit.)
Boiling point	1155 °C
bulk density	1200kg/m3
density	4.692
vapor pressure	0Pa at 20℃
refractive index	2.5166
Fp	1155°C subl.
storage temp.	Store at +5°C to +30°C.
solubility	0.49g/l
form	Sublimed Powder
color	White to gray
Specific Gravity	4.69
Odor	Odorless
Water Solubility	0.5 g/L (20 ºC)
Merck	14,6239
crystal system	Nogata
Space group	Pnma
Lattice constant	a/nmb/nmc/nmα/oβ/oγ/oV/nm31.3850.36960.39669090900.203
Exposure limits	ACGIH: TWA 10 mg/m3; TWA 3 mg/m3 NIOSH: IDLH 5000 mg/m3
InChI	1S/Mo.3O
InChIKey	JKQOBWVOAYFWKG-UHFFFAOYSA-N
SMILES	O=[Mo](=O)=O
CAS DataBase Reference	1313-27-5(CAS DataBase Reference)
IARC	2B (Vol. 118) 2018
NIST Chemistry Reference	Molybdenum(vi) oxide(1313-27-5)
EPA Substance Registry System	Molybdenum trioxide (1313-27-5)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	36/37-48/20/22-40
Safety Statements	22-23-25-36/37
WGK Germany	1
RTECS	QA4725000
TSCA	TSCA listed
HazardClass	6.1
HS Code	28257000
Storage Class	11 - Combustible Solids
Hazard Classifications	Carc. 2 Eye Irrit. 2 STOT SE 3
Hazardous Substances Data	1313-27-5(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 2689 mg/kg LD50 dermal Rat > 2000 mg/kg

Product Application of Molybdenum trioxide CAS#1313-27-5

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.

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