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CERIUM Structure

CERIUM

Chemical Properties

Melting point 795 °C (lit.)
Boiling point 3443 °C (lit.)
Density  6.67 g/mL at 25 °C (lit.)
solubility  soluble in dilute acid solutions
form  powder
color  Silver-gray
Specific Gravity 6.9
Resistivity 73 μΩ-cm, 20°C
Water Solubility  soluble dilute mineral acids [KIR78]
Sensitive  Air & Moisture Sensitive
Merck  13,2003
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)
CAS DataBase Reference 7440-45-1(CAS DataBase Reference)
EPA Substance Registry System Cerium (7440-45-1)

Safety Information

Hazard Codes  C,Xn,F
Risk Statements  22-23-36/38-36/37/38-20/21/22-11-15-14/15
Safety Statements  26-36-36/37/39-16-43
RIDADR  UN 2031 8/PG 2
WGK Germany  3
10
TSCA  Yes
HazardClass  4.1
PackingGroup  II
HS Code  28053090

MSDS

Usage And Synthesis

Preparation Products And Raw materials

CERIUM Supplier

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