Flame-Retardant:Tetrakis(hydroxymethyl)phosphonium chloride (THPC)

Synonym: THPC; tetramethylolphosphonium chloride; Tetra(hydroxymethyl)phosphonium chloride

CAS No.: 124-64-1

Molecular Weight: 190.563

Molecular Formula: C4H12ClO4P

Structural Formula:

M. P.: 154 C

Solubility in water: min. 10g/ml @20C

Application

Flame retardant for cotton, dacron-cotton fibers, plastic, paper industries.

Specification

item

specification

Appearance

Clear and transparent liquid

Chlorine content

32.4%

Phosphorus Content

9.4% max

Water 0.05% max

Acidity, mgKOH/g 0.05 max

Color, APHA 10~15

Density, g/cm³ 1.29~1.30

Viscosity, ( 25°C) 60~70 cps

Standard Packing

250kgs net/200L plastic drums; IBC (tote); ISO tank

Risks and Safety Info

Non-hazard in land/marine/air transportation