Tungsten 钨

CAS 7440-33-7 MFCD00011461

化学结构图

7440-33-7
SMILES: [W]

化学属性

Mol. FormulaW
Mol. Weight183.84
Boiling Point5660 °C at 760 mmHg
Density19.3
Melting Point3410 °C
TSCAYes
Solubility溶于硝酸、氢氟酸。

别名和识别编码

Chemical NameTungsten
CAS Number7440-33-7
PubChem Substance ID23964
EC Number231-143-9
MDL NumberMFCD00011461
Synonym Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {} {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {} {} {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {} {} {} {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {} {} {} {} {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals basis) {} {} {} {} {} {} {} {} {} {LY} Tungsten rod, 1.5mm (0.06in) diameter * 10cm long, 99.95% (metals ba
Chemical Name Translation
Wiswesser Line NotationWO
LabNetwork Molecule IDLN00198850
InChIInChI=1S/W
Canonical SMILES[W]
信息真实价格透明    资金保障    专业采购外包团队在线服务   
信息真实价格透明    资金保障    专业采购外包团队在线服务   
品牌质保精细包装    现货库存    一流品牌服务   

分类

  • {SNA} 3D Printing Materials for Research and Development, Alternative Energy, Metal and Ceramic Science, Metals, Metals for 3D Printing, Thermoelectric Materials, Thermoelectric Precursors, Tungsten, 材料科学
  • {SNA} High-Purity Me
  • {SNA} Alternative Energy, Metal and Ceramic Science, Metals, Thermoele

产品应用

  • 大型板坯、钨铼热电偶原料(FW1),触头合金、高密度屏蔽材料(FW2)。

相关文献及参考

  • Merck: 14,9814

安全信息

GHS Symbol
WGK Germanynwg
Hazard statements
  • H228 Flammable solid 易燃固体
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
Personal Protective Equipment dust mask type N95 (US), Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
RTECSYO7175000
Precautionary statements
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P305+P351+P338
Signal word Danger Warning
Hazard Codes 5.1 F,Xi
Safety Statements
  • S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
  • S22 Do not breathe dust 不要吸入粉尘;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S33 Take precautionary measures against static discharges 对静电采取预防措施;
  • S36 Wear suitable protective clothing 穿戴适当的防护服;
  • S6 Keep under ... (inert gas to be specified by the manufacturer) 将该物质保存在生产厂家指定的惰性气体中;
Packing GroupII
UN Number 3099 UN3089 UN3264
Risk Statements
  • R11 Highly flammable 非常易燃
  • R36/38 Irritating to eyes and skin 对眼睛和皮肤有刺激性
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5 gm/kg
TOXIC EFFECTS :
   Vascular - regional or general arteriolar or venous dilation
   Liver - other changes
   Blood - other changes
REFERENCE :
   INMEAF Industrial Medicine.  (Chicago, IL)  V.1-18, 1932-49.  For publisher
   information, see IOHSA5.  Volume(issue)/page/year: 15,482,1946

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1160 ug/kg
SEX/DURATION            : female 30 week(s) pre-mating
                          female 1-20 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 41,620,1978

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1210 ug/kg
SEX/DURATION            : female 35 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 42(8),30,1977

Storage condition RT, stored under nitrogen {LY} RT, stored under nitrogen Store at room temperature, keep dry and cool {} {LY} RT, stored under nitrogen {} {} {LY} RT, stored under nitrogen {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {

其他信息

  • 溶于硝酸、氢氟酸。

系列性分类