7440-33-7(Tungsten) Product Description

7440-33-7

CAS No.7440-33-7

Chemical Name:Tungsten

CBNumber:CB7854185

Molecular Formula:W

Formula Weight:183.84

MOL File:Mol file

Tungsten Synonyms:

W 000120
W 000270
W 000130
W 000219
W 007925
W 005135
W 005132
W 000225

Tungsten Property

Melting point:	3410 °C (lit.)
Boiling point:	5660 °C (lit.)
Density	19.3 g/mL at 25 °C (lit.)
vapor pressure	0Pa at 3000℃
Flash point:	-23 °C
storage temp.	no restrictions.
form	wire
Specific Gravity	19.3
color	Silver-gray
Resistivity	4.9 μΩ-cm, 20°C
Water Solubility	insoluble
Merck	13,9884
Exposure limits	ACGIH: TWA 2 ppm; STEL 4 ppm OSHA: TWA 2 ppm(5 mg/m3) NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3)
Stability:	Stable. Dust is flammable, though not likely to present a hazard if normal good practice is used.
CAS DataBase Reference	7440-33-7(CAS DataBase Reference)
NIST Chemistry Reference	Tungsten(7440-33-7)
EPA Substance Registry System	Tungsten (7440-33-7)

Hazard Codes :	F,Xi,N,Xn
Risk Statements :	11-36/38-67-65-62-51/53-48/20-38
Safety Statements :	6-26-36-62-61-36/37-16
RIDADR :	UN 3089 4.1/PG 2
OEB:	B
OEL:	TWA: 5 mg/m3, STEL: 10 mg/m3 [*Note: The REL also applies to other insoluble tungsten compounds (as W).]
WGK Germany :	-
RTECS :	YO7175000
TSCA :	Yes
HazardClass :	4.1
PackingGroup :	III
HS Code :	81011000
Hazardous Substances Data:	7440-33-7(Hazardous Substances Data)

Tungsten MSDSTungsten

Global( 326)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Xiao Huang Nanotechnology Co. , Ltd.	021-34781353	3417983274@qq.com	China	134	58
Shanghai Buwei Applied Materials Technology Co. LTD	021-64112762	1460837389@qq.com	China	489	58
Shanghai Yaotian New Material Technology Co., LTD	021-64110338	2953588414@qq.com	China	200	58
ZHEJIANG JIUZHOU CHEM CO., LTD	+86-0576225566889	admin@jiuzhou-chem.com；jamie@jiuzhou-chem.com；alice@jiuzhou-chem.com	China	12272	58
Hebei Zhentian food additives Co., LTD	0319-5925599	13933732699@163.com	China	12272	58
Shanghai Haohong Pharmaceutical Co., Ltd.	400-8210725	malulu@leyan.com	China	24975	58
HebeiShuoshengImportandExportco.,Ltd	+86-18532138899	L18532138899@163.com	China	931	58
Baoji Funuokang Industrial Co., Ltd		1754423088@qq.com	China	2343	58

7440-33-7(Tungsten) Related Search:

W 000120 W 000270 W 000130 W 000219 W 007925 W 005135 W 005132 W 000225 W 008710 W 007930 W 005145 W 000221 W 000325 W 004600 W 000278 W 000170 W 004300 W 000150 W 005162 W 005315 W 000249 W 005115 W 000180 W 005170 W 000370 W 005230 W 005148 W 005225 W 005260 W 005220 W 007928 W 007920 W 005330 W 006100 W 005808 W 007900 W 005240 W 005125 W 005105 W 005325 W 000220 W 000240 W 005131 W 008720 W 005335 W 005360 W 000247 W 005165 W 007941 W 005120 W 000330 W 000224 W 005250 W 005160 W 005351 W 007913 W 000215 W 005210