Physical and chemical properties:
Physical properties, form, colour, odour: Powder or granules of violet- black colour (0-80 mm). Odour like garlic similar to acetylene.
pH-value: basic
Change in condition:
Boiling point: 2300 C (101,3 kPa)
Melting point: 1900 C
Decomposition temperature: Not applicable.
Flash point: acetylene - 305 C
Flammability: acetylene - 17,8 C
Autoflammability: none
Danger of explosion: Forming of explosive compounds (acetylene - air) in contact with water.
Explosion limits:
Lower: 1.5 % vol. of acetylene
Upper: 80.5 % vol. of acetylene
Oxidizing properties: not applicable
Vapour pressure: 0,1 kPa (20 C)
Specific weight: (20 C) 2,2 - 2,7 g.cm
Solubility in/ miscibility with: -
Distribution coefficient: not applicable
Dynamic viscosity: not applicable.
