Names | |
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Preferred IUPAC name
Tetrakis(hydroxymethyl)phosphonium chloride | |
Other names
Tetrahydroxymethylphosphonium chloride, THPC
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Identifiers | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.004.280 |
EC Number |
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PubChem CID
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RTECS number |
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UNII | |
UN number | 2810 |
CompTox Dashboard (EPA)
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Properties | |
C4H12ClO4P | |
Molar mass | 190.56 g·mol−1 |
Appearance | white solid |
Density | 1.341 g/cm3 |
Melting point | 150 °C (302 °F; 423 K) |
Hazards | |
GHS labelling: | |
Danger | |
H301, H302, H311, H312, H314, H315, H330, H334, H411 | |
P260, P261, P264, P270, P271, P273, P280, P284, P285, P301+P310, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P304+P341, P305+P351+P338, P310, P312, P320, P321, P322, P330, P332+P313, P342+P311, P361, P362, P363, P391, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tetrakis(hydroxymethyl)phosphonium chloride (THPC) is an organophosphorus compound with the chemical formula [P(CH2OH)4]Cl. It is a white water-soluble salt. THPC has applications as a precursor to fire-retardant materials,[1] as well as a microbiocide in commercial and industrial water systems.