Octakis(hydroxymethyl)diphosphonium sulfate; Tetra Hydroxymethyl Phosphonium sulphate; THPS 75; Tetrakis(hydroxymethyl)phosphonium sulfate


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Tetrakis hydroxymethyl phosphonium Sulphate (THPS 75)

Identification

Synonyms: Octakis(hydroxymethyl)diphosphonium sulfate; Tetra hydroxymethyl phosphonium sulfate; THPS

CAS No.: 55566-30-8

Molecular Weight: 406.278

Structural Formula:

Molecular Formula: C8H24O12P2S

m.p.: -35 deg. C

b.p.: 111 deg. C

Specific gravity:

Solubility in water: min. 10g/100ml @ 18 deg. C

Application

THPS is used as an environmentally-friendly biocide in industrial cooling systems, oil field operations, and paper-making industry. Its advantage is degrading to a nontoxic substance immediately after use. THPS is also applied as flame retardant in cotton, dacron-cotton fibers.

Specification

item

specification

active content

75% min.

appearance colorless or pale yellow liquid

density @ 25C

1.37~1.41 g/ml

phosphorus content 11% min.

pH 3~4

viscosity @ 20C 30~45 cps

Standard Packing and Safety Info

250kg/plastic drum; IBC

Risks and Safety Info

More info please refer to MSDS