The main use of tetrahydroxymethyl phosphorus chloride urea precondensation/urea is as a pure cotton fabric flame retardant, with high flame retardant efficiency, fabric wash times excellent, low viscosity, high content, flame retardant fabric does not affect the feel, green environmental protection and other characteristics. Tetramethylmethyl phosphorus chloride urea precondensation/urea can be used with water-based softener, water-based penetrant and other additives. If you have questions about the use of THPC-Urea flame retardant process, you can contact the technical department of our factory.

Product description

Chinese name: tetramethylmethyl phosphorus chloride urea precondensation (urea body)

English name: Tetrakis Hydroxymethyl Phosphonium Chloride Urea(THPC-Urea)

CAS Code: 27104-30-9

UN Code: 2922

Molecular formula: [(CH2OH)4P]Cl•CH2N4

Molecular weight: 423.17

Physical and chemical properties: tetrahydroxymethyl phosphorus chloride urea precondensation/urea is a colorless transparent liquid, slightly acidic, easy to biodegrade.

The main index

THPC-Urea≥70%

Specific Gravity g/ml (at 25℃): 1.30-1.40g /ml

Viscosity Viscosity cP(mPa.s) (at 20℃):20-30

Active phosphorus≥10.0%MIN

PH  (at 20℃):4-5

Appearance: Light yellow transparent liquid

Packaging

250 kg/barrel, 1400 kg /IBC barrel

Storage and transportation

Tetramethylol phosphorous chloride urea precondensation/urea body is stored in a cool, ventilated warehouse. Keep away from fire and heat sources, keep containers sealed, and store them separately from oxidants, acids, and food chemicals.

Emergency disposal

In case of contact with skin, rinse immediately with plenty of water for at least 15 minutes, if any burns, seek medical attention immediately.

If in contact with eyes, immediately lift eyes and rinse with running water for at least 15 minutes.

Send to hospital for treatment of overdose.

Water mist, dry powder, sand, foam and carbon dioxide.

Adsorb with inert material (e.g. dry sand, vermiculite) and transfer to airtight container.

Tetramethylol phosphorous chloride urea precondensation/urea THPC-Urea slightly odor, flash point >100 degrees, does not belong to flammable and explosive products, belongs to 8 chemicals, miscible in water, slightly soluble in acetone, miscible in ethanol, acidic. The price is mainly related to the supply and demand of the industry, especially the export volume.