CAS No.: 63502-25-0;
EC No.: 613-239-6;

Chemical names:
Phosphonium, tetrakis(hydroxymethyl)-, sulfate (2:1), polymer with urea;
hydrogen sulfate, tetrakis(hydroxymethyl)phosphanium, urea;

THPS-Urea is used for permanent flame retardant treatment of pure cotton or polyester cotton and other fabrics. The treated fabrics have excellent flame retardant properties, good hand feel and wash resistance.

Technical data:
Active ingredient: 70% min.
Relative density(25℃): 1.32 to 1.35
Iron(Fe): 0.01% max.
pH: 3 to 5

Packaging and Storage:
Net weight 250KG per plastic drums, or 1400KG per IBC tank.
Store in a cool, well-ventilated warehouse, sealed.

Related products
THPC: Tetrakis(hydroxymethyl)phosphonium chloride; Biocide, CAS# 124-64-1.
THPC-Urea: THPC polymer with urea; Flame retardant, CAS# 27104-30-9.
THPS: Phosphonium, tetrakis(hydroxymethyl)-, sulfate (2:1) (salt); Biocide, CAS# 55566-30-8.
THPS-Urea: THPS polymer with urea; Flame retardant, CAS# 63502-25-0.