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PHOSPHONIUM IODIDE

PHOSPHONIUM IODIDE Structure
CAS No.
12125-09-6
Chemical Name:
PHOSPHONIUM IODIDE
Synonyms
jodphosphonium;iodinephosphide;iodophosphorane;PHOSPHONIUM IODIDE;Tetrahydridephosphorus iodide;Phosphonium iodide ((PH4)I) (9CI)
CBNumber:
CB4114967
Molecular Formula:
H4IP
Molecular Weight:
159.89
MOL File:
12125-09-6.mol
Modify Date:
2023/10/17 17:11:56
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PHOSPHONIUM IODIDE Properties

Melting point 18.5° under its own vapor pressure
Boiling point 62.5°C (estimate)
Density 2.860
solubility reacts with H2O, ethanol
form colorless tetragonal crystals
color colorless tetragonal crystals, crystalline
Water Solubility decomposed by H2O, alcohol, evolving phosphine gas [HAW93]

PHOSPHONIUM IODIDE Chemical Properties,Uses,Production

Chemical Properties

large, transparent, colorless crystal(s); tetr; sublimes at room temp; decomposes to PH3 and HI when heated or in presence of alcohol or water; rapid heating causes detonation [MER06]

Physical properties

Colorless tetragonal crystal; deliquesces; density 2.86 g/cm3; sublimes at ordinary temperatures; vapor pressure 50 torr at 20°C, 760 torr at 61.8°C; melts at 18.5°C under its own vapor pressure; boils at 80°C; decomposes in water; soluble in acids and alkalies with decomposition; decomposes in ethanol.

Uses

In the laboratory preparation of phosphine.

Preparation

Phosphonium iodide may be prepared by the action of phosphine with dry hydrogen iodide:
PH3 + HI → PH4I
Solid phosphonium iodide may be produced in the laboratory by slowly and very cautiously adding water to an intimate mixture of white phosphorus and iodine. Also, this phosphorus-iodine mixture may be obtained by mixing solutions in carbon disulfide and carefully evaporating the solvent in a stream of inert gas:
P4 + I + H2O → PH4I + H3PO4
2P + I2 + 4H2O → PH4I + H3PO4 + HI
Also, the compound can be prepared by hydrolysis of a mixture of diphosphorus tetraiodide and white phosphorus:
P2I4 + P + H2O → PH4I + H3PO4.

Hazard

Phosphonium iodide detonates on rapid heating. It dissociates by water, alcohol or heat, evolving toxic phosphine gas.

PHOSPHONIUM IODIDE Preparation Products And Raw materials

Raw materials

Preparation Products

PHOSPHONIUM IODIDE Suppliers

Global( 8)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
Shaanxi Didu New Materials Co. Ltd +86-89586680 +86-13289823923 China 8672 58 Inquiry
Pfaltz & Bauer, Inc. (800) 225-5172 United States 6830 72 Inquiry
Service Chemical Inc. 888-895-6920 Germany 6373 71 Inquiry
3B Scientific Corporation 847.281.9822 United States 6744 47 Inquiry
2A PharmaChem USA (630) 737-0988 United States 6148 39 Inquiry
Leancare Ltd. +33 962096793 United Kingdom 6460 42 Inquiry
Supplier Advantage
Shaanxi Didu New Materials Co. Ltd 58
Pfaltz & Bauer, Inc. 72
Service Chemical Inc. 71
3B Scientific Corporation 47
2A PharmaChem USA 39
Leancare Ltd. 42

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iodinephosphide jodphosphonium PHOSPHONIUM IODIDE Tetrahydridephosphorus iodide iodophosphorane Phosphonium iodide ((PH4)I) (9CI) 12125-09-6 H4IP