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Calcium carbide

Calcium carbide structure

CAS No:
75-20-7
Formula:
C2Ca
Chemical Name:
Calcium carbide
Synonyms:
Calcium carbide (Ca(C2));Acetylenogen;Calcium acetylide (Ca(C2));Calcium dicarbide;Calcium carbide;Calcium acetylide;Ethyne,calcium deriv.;12192-35-7;761337-30-8;195068-68-9;261780-86-3
Categories:
Inorganic Chemistry > Inorganic Salts

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Description

grey or black solid with a garlic-like odour

Calcium carbide Basic Attributes

Molecular Weight：

64.1

Exact Mass：

64.1

HScode：

28491000

Characteristics

XLogP3：

0.16260

Appearance：

Gray-black pieces

Density：

2.22 g/cm³

Melting Point：

2300 °C

Boiling Point：

138-140 °C @ Press: 3 Torr

Water Solubility：

HYDROLYSES

Storage Conditions：

water-free area

Safety Information

Packing level：

Hazard category：

4.3

Transport codes：

UN 1402 4.3/PG 2

wgk germany：

hazard class code：

R15

safety instructions：

8-43-43A

Marks：

F:Flammable

Stability/Shelf Life：

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.

Precautionary statement(s)：

P223-P231 + P232-P261-P280-P370 + P378-P422

Hazard Statements：

H260-H315-H318-H335

Calcium carbide Use and Manufacturing

Generating acetylene gas for lighting purposes (1 kg of carbide yields ~300 liters acetylene); as reducing agent, e.g., for direct reduction of copper sulfide to metallic copper; signal fires for marine service; manufacture of calcium, iron, alloys, lampblack, cyanamide; welding and cutting metals.

Material

Carbon black

Calcium carbonate

Coke (coal)

Downstream Products

1,3-Butadiene

Carbon black

Sulfadiazine

Sodium hypochlorite

Trichloroethylene

Poly(vinyl chloride)

Polychloroprene

Price Analysis

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Data: 2026-08-07
Price: 2400.00Yuan/mt
Change: 0

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