Tetrakis (hydroxymethyl) phosphonium Chloride Urea Precondesate (THPC-UPC)

We are a leading and experienced manufacturer of Tetrakis (hydroxymethyl) phosphonium chloride urea pre-condensate (THPC-UPC) used as flame retardants in the textile industry. We can produce high quality THPC-UPC at competitive prices with on-time delivery.

3D model of THPS-UPC

What is Tetrakis-(hydroxymethyl)-phosphonium Chloride Urea precondesate (THPC-UPC)?

Tetrakis(hydroxymethyl) phosphonium chloride urea precondensate is an important water-soluble, organophosphorus compounds used as textile auxiliaries in flame retardant finishing applications.

Our THPC-UPC is of high purity, low toxicity to the environment, and customizable.

CAS #: 27104-30-9
EINECS #: 27104-30-9
Synonyms:tetrakis (hydroxymethyl) phosphonium chloride urea; THPC-UPC; Pyroset TPC®
Molecular Formula: C9H24O7Cl2N2P2

Liquid being inserted into tubes

Tetrakis(hydroxymethyl)phosphonium Chloride Precondensate (THPC-UPC) Applications

Textile Auxiliaries

THPS-UPC is applied onto cotton fabrics, polyester/cotton blend fabrics and wool through a curing process to provide useful flame retardant protection properties on clothing, home textiles and technical/industrial textiles.

Tetrakis(hydroxymethyl)phosphonium Chloride Urea Precondensate Specification


Tetrakis(hydroxymethyl)phosphonium chloride urea pre-condensate

Product Number

SMC Global 657


THPC-UPC Soft Hand

Assay, %

61.28 – 61.8

Phosphorous Content,%

9.5 – 9.7

Color, APHA

100 max.


4.0 – 6.0

Packaging and Handling

SMC Global offers THPC-UPC packaged in 1250 KG IBCs and bulk quantities.

Tetrakis(hydroxymethyl)phosphonium Chloride Precondensate (THPC-UPC) Safety

For regulatory details such as the classification and labeling as dangerous substances or goods, please refer to our correspondingTetrakis(hydroxymethyl)phosphonium Chloride Precondensate (THPC-UPC) Safety Data Sheet.