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Calcium carbide Structure

Calcium carbide

Chemical Properties

Melting point 447°C
Boiling point 2300°C
Density  2.22 g/mL at 25 °C(lit.)
storage temp.  water-free area
solubility  reacts with H2O
form  pieces
color  Gray-black
Specific Gravity 2.22
Water Solubility  hydrolyses
Sensitive  Moisture Sensitive
Merck  14,1656
BRN  3909011
Dielectric constant 5.8 - 7.0(0.0℃)
Exposure limits ACGIH: TWA 2 mg/m3
OSHA: TWA 5 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 2 mg/m3
Stability Stability Reacts violently with water liberating highly flammable gas (acetylene). Do not use water if this material is involved in a fire. Incompatible with moisture, water, strong oxidizing agents, alcohols, hydrogen chloride, magnesium.
InChIKey UIXRSLJINYRGFQ-UHFFFAOYSA-N
FDA UNII 846WNV4A5F
EPA Substance Registry System Calcium carbide (75-20-7)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H260-H315-H318-H335
Precautionary statements P223-P231+P232-P261-P280-P302+P352-P305+P351+P338
Hazard Codes  F
Risk Statements  15-41-37/38
Safety Statements  8-43-43A-39-26
RIDADR  UN 1402 4.3/PG 2
WGK Germany  1
10-21
TSCA  Yes
HazardClass  4.3
PackingGroup  II
HS Code  28491000
Hazardous Substances Data 75-20-7(Hazardous Substances Data)
NFPA 704:
3
3 0
W

Calcium carbide Price

Calcium carbide Chemical Properties,Usage,Production

Calcium carbide synthesis

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