Phosphonium iodide

Phosphonium iodide
Names
	IUPAC name Phosphanium iodide
	Other names Iodine phosphide
Identifiers
CAS Number	12125-09-6;
3D model (JSmol)	Interactive image;
ChemSpider	145802;
ECHA InfoCard	100.031.978
EC Number	235-189-0;
PubChem CID	166618;
UNII	70782D13AF;
CompTox Dashboard (EPA)	DTXSID30923738 ;
	InChI InChI=1S/HI.H3P/h1H;1H3 Key: LSMAIBOZUPTNBR-UHFFFAOYSA-N;
	SMILES [PH4+].[I-];
Properties
Chemical formula	PH; 4I
Molar mass	161.910 g/mol
Boiling point	62 °C (144 °F; 335 K) Sublimes
Solubility in water	decomposes
Structure
Crystal structure	Tetragonal (P4/nmm)
Lattice constant	a = 6.34 Å, c = 4.62 Å
Lattice volume (V)	185.7 Å3
Formula units (Z)	2
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Phosphonium iodide is a chemical compound with the formula PH
₄I. It is an example of a salt containing an unsubstituted phosphonium cation (PH⁺
₄). Phosphonium iodide is commonly used as storage for phosphine and as a reagent for substituting phosphorus into organic molecules.

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