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Ruthenium Structure

Ruthenium

Chemical Properties

Melting point 2310 °C (lit.)
Boiling point 3900 °C (lit.)
Density  12.45 g/cm3 (lit.)
storage temp.  Inert atmosphere,2-8°C
solubility  insoluble in acid solutions, aqua regia
form  sponge
color  Grayish-white
Specific Gravity 12.3
Resistivity 7.1 μΩ-cm, 0°C
Water Solubility  insoluble
Sensitive  Lachrymatory
Merck  14,8299
Exposure limits ACGIH: Ceiling 2 ppm
OSHA: Ceiling 5 ppm(7 mg/m3)
NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3)
Stability Stable. Powder is highly flammable.
CAS DataBase Reference 7440-18-8(CAS DataBase Reference)
FDA UNII 7UI0TKC3U5
NIST Chemistry Reference Ruthenium(7440-18-8)
EPA Substance Registry System Ruthenium (7440-18-8)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H228
Precautionary statements P210
Hazard Codes  F,C,Xn
Risk Statements  20-37-11-34
Safety Statements  22-36-38-24/25-16-14-45-36/37/39-27-26-23
RIDADR  UN 3178 4.1/PG 2
WGK Germany  3
Hazard Note  Corrosive/Lachrymatory
TSCA  Yes
HS Code  3822 00 00
HazardClass  4.1
PackingGroup  III
NFPA 704:
0
3 0

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