CEPPA

Product Description

Product name: *-Carboxyethyl(phenyl)phosphinicacid, *-(Hydroxyphenylphosphinyl)-propanoic acid

Abb.: CEPPA, *-HPP

CAS No. : *********8

Molecular formula : C9H*1O4P

Molecular weight : **4.*6

Quality index:

Appearance: white powder or crystal

Purity (HPLC): ≥*9.0%

Melting point: ******1oC

P: ≥*4.0±0.5%

Acid value: **2±4mgKOH/g

Fe: ≤0.**5%

Chloride: ≤0.*1%

Moisture: ≤0.5%



Packing: *5kg cardboard drum or plastic bag lined woven bag



Features: Soluble in water, glycol and other solvents, weak water adsorption in normal temperature, stable in room temperature



Uses: As one kind of environment-friendly fire retardant, it can be used permanent flame retarding modification of polyester, and the spin ability of flame retarding polyester is similar to PET, thus it can be used in all kinds of spinning system, with features as excellent thermal stability, no decompounds during spinning and no smell. It can be used in all the application fields of PET to improve antistatic capacity of polyester. The dosage for copolymerization of PTA and EG is 2.5~4.5%, the phosphorus assay of flame retarding polyester sheet is 0.***0.*0%, and the LOI of flame retarding products is *0~*6%.