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Tungsten Carbonyl Structure

Tungsten Carbonyl

Chemical Properties

Melting point 150 °C (lit.)
Boiling point 175 °C
Density  2.65 g/mL at 25 °C (lit.)
vapor density  12.1 (vs air)
vapor pressure  1.2 mm Hg ( 67 °C)
RTECS  YO7705000
Flash point 200°C
storage temp.  Store below +30°C.
solubility  insoluble in H2O; soluble in organic solvents
form  Fine Crystalline Powder
Specific Gravity 2.671
color  Light yellow to beige
Water Solubility  insoluble
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions
Exposure limits ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
Stability Stable. Incompatible with oxidizing agents.
CAS DataBase Reference 14040-11-0(CAS DataBase Reference)
EWG's Food Scores 1
NIST Chemistry Reference Tungsten hexacarbonyl(14040-11-0)
EPA Substance Registry System Tungsten carbonyl (W(CO)6), (OC-6-11)- (14040-11-0)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H301+H311+H331
Precautionary statements P261-P264-P280-P301+P310-P302+P352+P312-P304+P340+P311
Hazard Codes  T
Risk Statements  23/24/25
Safety Statements  22-24/25-45-38-36/37/39-28A-36/37
RIDADR  UN 3466 6.1/PG 3
WGK Germany  3
Hazard Note  Toxic
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29310095
NFPA 704:
1
1 0

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