Basic Info.

Model NO.

1314-35-8

Trademark

haihang

Origin

China

Model NO.

1314-35-8

Trademark

haihang

Origin

China

Product Desciption

Tungsten trioxide cas  1314-35-8

 

Tungsten trioxide Basic information

Description References

Product Name:	Tungsten trioxide
Synonyms:	tungstenblue;tungstenoxide(wo3);tungstenoxide[wo3];Tungstic acid anhydride;Tungsticacidanhydride;WO3;Wolframic acid anhydrous;wolframicacid,anhydride
CAS:	1314-35-8
MF:	O3W
MW:	231.84
EINECS:	215-231-4
Product Categories:	metal oxide;Inorganics
Mol File:	1314-35-8.mol

Tungsten trioxide Chemical Properties

Melting point	1470-1475 °C
Boiling point	1837°C (estimate)
density	7.16 g/mL at 25 °C(lit.)
form	powder
Specific Gravity	7.16
color	Yellow to greenish-yellow
Water Solubility	insoluble
Merck	14,9817
InChIKey	ZNOKGRXACCSDPY-UHFFFAOYSA-N
CAS DataBase Reference	1314-35-8(CAS DataBase Reference)
NIST Chemistry Reference	Tungsten trioxide(1314-35-8)
EPA Substance Registry System	Tungsten trioxide (1314-35-8)

Safety Information

Hazard Codes	Xn
Risk Statements	22-36/37/38
Safety Statements	26-36-37/39
WGK Germany	-
RTECS	YO7760000
F	21
TSCA	Yes
HS Code	28259012
Hazardous Substances Data	1314-35-8(Hazardous Substances Data)

MSDS Information

Provider	Language
Tungsten(VI) oxide	English
SigmaAldrich	English
ACROS	English
ALFA	English

Tungsten trioxide Usage And Synthesis

Description	Tungsten trioxide is a chemical compound consisting of oxygen and the transition metal tungsten. It occurs naturally but rarely in the form of hydrates in some kinds of minerals. It has various applications. In industry, it can be used for making x-ray screen phosphors, fireproofing fabrics and gas sensors as well as a pigment in ceramics and paints. It can also be used for the preparation of electrochromic windows or smart windows. In addition, it can be used in semiconductors. It, together with titanium dioxide, has the potential to become an efficient photo-catalyst under visible light irradiation. Recent study has shown that mesoporous tungsten trioxide polyaniline nanocomposite can be used as an anode material for high-performance lithium-ion batteries.
References	[1]Momeni, Mohamad Mohsen, and Yousef Ghayeb. "Photochemical deposition of platinum on titanium dioxide-tungsten trioxide nanocomposites: an efficient photocatalyst under visible light irradiation." Journal of Materials Science: Materials in Electronics 27.2 (2016): 1062- 1069. [2]Li, Bin, et al. "Mesoporous Tungsten Trioxide Polyaniline Nanocomposite as an Anode Material for High‐Performance Lithium‐ Ion Batteries."ChemNanoMat 2.4 (2016): 281-289. [3]Hunge, Y. M., et al. "Photoelectrocatalytic degradation of methyl blue using sprayed WO3 thin films." Journal of Materials Science: Materials in Electronics 27.2 (2016): 1629-1635. [4]Albalshi, Madleen Ahmad Mohammad. Electrochemical properties of Sol-gel WO3 films Co-doped with Ti and Zn. Diss. 2016.
Chemical Properties	Canary-yellow, heavy powder, darkorange when heated and regains original color on cooling. Insoluble in water, soluble in caustic alkalies, soluble with difficulty in acids. Noncombustible.
Physical properties	Heavy yellow powder; turns dark orange on heating; reverts back to yellow on cooling; density 7.2 g/cm3; melts at 1,472°C; insoluble in water; slightly soluble in acids; soluble in caustic alkalies.
Uses	manufacture of tungstates which are used for x-ray screens and for fireproofing fabrics.
Uses	Tungsten oxide (WO3) is used to make tungsten alloys. Tungsten oxide is also used as fireproofing for various surfaces and is used as a yellow pigment in ceramics.

Haihang Chemical Co., Ltd. has established its own factory with complete production equipment and meticulous management and maintenance of machinery. 
       We use advanced production technology and test methods to realize production,quality controlling to meet the standard.haihang also set up its own laboratory, hired excellent scientific and technical management personnel, give priority to the development of science and technology, and strive to be the best in the industry.