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CAS No 12125-09-6 , phosphanium

  • Name: phosphanium
  • Synonyms: Jodphosphonium [German]; Jodphosphonium; EINECS 235-189-0;phosphanium; AC1L4YEW;iodide; phosphanium iodide;Iodine phosphide; CTK4B2266; 12125-09-6;
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: g/cm3
  • Safety Statements: Poison by ingestion. Rapid heating causes detonation. Explosive reaction with antimony pentachloride. Violent reaction or ignition with bromates; HClO3; chlorates; iodates; HIO2, HNO3; AgNO3. Reaction with potassium hydroxide produces phosphine gas, reaction becomes explosive in the presence of air. When heated to decomposition it emits very toxic fumes of I− and POx. See also IODIDES.
  • Flash Point: °C
  • EINECS: 235-189-0
  • Molecular Weight: 161.909992
  • InchiKey: LSMAIBOZUPTNBR-UHFFFAOYSA-N
  • InChI: InChI=1S/HI.H3P/h1H;1H3
  • Molecular Formula: H4IP
  • Molecular Structure:CAS No:12125-09-6 phosphanium

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References of phosphanium
Title: Phosphonium Iodide
CAS Registry Number: 12125-09-6
Molecular Formula: H4IP
Molecular Weight: 161.91
Percent Composition: H 2.49%, I 78.38%, P 19.13%
Line Formula: PH4I
Literature References: Prepd by hydrolysis of a mixture of diphosphorus tetraiodide and white phosphorus: Work, Inorg. Synth. 2, 141 (1946). Improved apparatus for its prepn: Beredjick, ibid. 6, 91 (1960).
Properties: Large, transparent, colorless crystals (usually cubes). Tetragonal system. Sublimes at room temp. Store in sealed ampuls in refrigerator! Vapor pressure: 50 mm at 20°; 760 mm at 62.5°. mp 18.5° under its own vapor pressure. Heat of fusion 12,680 cal/mol. Caution: Heat or traces of moisture or alcohol cause decompn into PH3 and HI. Will detonate if heated rapidly.
Melting point: mp 18.5° under its own vapor pressure
Use: In the laboratory prepn of phosphine.