-
Name
Diphosphane
- EINECS
- CAS No. 13445-50-6
- Density g/cm3
- Solubility
- Melting Point -99°C
- Formula H4P2
- Boiling Point 58.5°Cat760mmHg
- Molecular Weight 65.98
- Flash Point °C
- Transport Information
- Appearance
- Safety Ignites spontaneously in air. A concentration of 0.2% will cause flammable gases to ignite. When heated to decomposition it emits toxic fumes of POx and phosphine. See also PHOSPHINE.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms
- PSA 27.18000
- LogP 0.65160
Diphosphane Chemical Properties
IUPAC Name: Phosphanylphosphane
Synonyms of Diphosphane (CAS NO.13445-50-6) : Diphosphorus trihydride ; Diphosphane
InChI:InChI=1/H4P2/c1-2/h1-2H2
CAS NO:13445-50-6
Molecular Formula:H4P2
Molecular Weight :65.9793
Molecular Structure :.png)
Enthalpy of Vaporization: 28.8 kJ/mol
Boiling Point: 58.5 °C at 760 mmHg
Vapour Pressure: 222 mmHg at 25°C
Diphosphane Production
Diphosphane (CAS NO.13445-50-6) is produced by the hydrolysis of calcium monophosphide. According to an optimized procedure, hydrolysis of 400 g of CaP at -30 °C gives about 20 g of product, slightly contaminated with phosphine.
Diphosphane Safety Profile
Ignites spontaneously in air. A concentration of 0.2% will cause flammable gases to ignite. When Diphosphane (CAS NO.13445-50-6) is heated to decomposition, it emits toxic fumes of POx and phosphine. See also PHOSPHINE.
Diphosphane Specification
This colourless liquid is nonbasic, unstable at room temperature, and spontaneously flammable in air. It is only poorly soluble in water but dissolves in organic solvents.
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