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Basic Information
| CAS No.: | 1117-94-8 |
|---|---|
| Name: | COPPER(I)ACETYLIDE |
| Molecular Structure: | |
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| Formula: | C2Cu2 |
| Molecular Weight: | 151.114 |
| Synonyms: | Copperacetylene; Copper acetylide (Cu2C2); Ethyne, dicopper(1+) deriv. |
| Melting Point: | explodes [CRC10] |
| Solubility: | very slightly soluble H2O [CRC10] |
| Hazard Symbols: | TLV: (fume) 0.2 mg/m3; (dust, mist) 1 mg(Cu)/m3; (Proposed: (fume and respirable particles) 0.05 mg/m3; (dust, mist) 1 mg(Cu)/m3). Explodes on impact or heating to 100°C. |
| Safety: | An unstable material. It explodes on impact or heating to 100°C. If warmed in air or oxygen it explodes on subsequent contact with acetylene. The sensitivity of the acetylide when precipitated from solution increases with acidity of the solution. It ignites on contact with chlorine; bromine vapor; or finely divided iodine. Reaction with silver nitrate solutions produces a sensitive, explosive mixture of silver acetylide and silver. When heated to decomposition it emits acrid smoke and fumes. See also COPPER COMPOUNDS and ACETYLIDES. |
| PSA: | 0.00000 |
| LogP: | -0.00160 |
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COPPER(I)ACETYLIDE
Consensus Reports
COPPER and its compounds are on the Community Right-To-Know List.
Safety Profile
An unstable material. It explodes on impact or heating to 100°C. If warmed in air or OXYGEN it explodes on subsequent contact with acetylene. The sensitivity of the acetylide when precipitated from solution increases with acidity of the solution. It ignites on contact with chlorine; bromine vapor; or finely divided iodine. Reaction with SILVER nitrate solutions produces a sensitive, explosive mixture of SILVER acetylide and SILVER. When heated to decomposition it emits acrid smoke and fumes. See also COPPER COMPOUNDS and ACETYLIDES.
Standards and Recommendations
ACGIH TLV: TWA (fume) 0.2 mg/m3; (dust, mist) 1 mg(Cu)/m3