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OSMIUM Structure

OSMIUM

Chemical Properties

Melting point 3045 °C (lit.)
Boiling point 5027 °C (lit.)
Density  22.61 g/cm3 (lit.)
form  sponge
Specific Gravity 22.48
color  Black
Water Solubility  attacked by aqua regia; barely affected by HCl, H2SO4 [MER06]
Merck  13,6960
Exposure limits ACGIH: Ceiling 2 ppm
OSHA: Ceiling 5 ppm(7 mg/m3)
NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3)
CAS DataBase Reference 7440-04-2(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 2E7M255OPY
NCI Dictionary of Cancer Terms OS
EPA Substance Registry System Osmium (7440-04-2)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H228-H315-H318-H335
Precautionary statements P210-P240-P241-P280-P302+P352-P305+P351+P338
Hazard Codes  F,Xi
Risk Statements  11-37/38-41-36/38
Safety Statements  16-26-36/37/39
RIDADR  UN 3089 4.1/PG 2
WGK Germany  -
RTECS  RN1100000
TSCA  Yes
HazardClass  4.1
PackingGroup  II
HS Code  71104100
Hazardous Substances Data 7440-04-2(Hazardous Substances Data)
Toxicity LDLo ivn-dog: 17 mg/kg SMSJAR 26,131,1826
NFPA 704:
2
2 0

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