- Category :
Catalyst and Auxiliary/Plastic Auxiliary Agent
- CAS NO : 14657-64-8
- EC NO : 411-200-6
- Molecular Formula : C9H11O4P
- Main Specifications :
- Synonyms : 3-HPP;CEPPA;2-carboxyl ethyl(phenyl) phosphinic acid;3-[hydroxy(phenyl)phosphoryl]propanoic acid;2-Carboxyethyl(phenyl)phosphinicacid;3-(Hydroxyphenylphosphinyl)-propanoic acid;2-Carboxyethyl(phenyl)phosphinic acid;3-(Hydroxyphenylphosphinyl)propionsure;3-Hydroxyphenylphosphinyl-Prop;3-(Hydroxyphenylphosphinyl)propionsure;
Molecular Structure:
Product description:
Product name: 2-Carboxyethyl(phenyl)phosphinicacid, 3-(Hydroxyphenylphosphinyl)-propanoic acid
Abb.: CEPPA, 3-HPP
CAS No. : 14657-64-8
Molecular formula : C9H11O4P
Molecular weight : 214.16
Quality index:
Appearance: white powder or crystal
Purity (HPLC): ≥99.0%
Melting point: 156-161oC
P: ≥14.0?.5%
Acid value: 522?mgKOH/g
Fe: ≤0.005%
Chloride: ≤0.01%
Moisture: ≤0.5%
Packing: 25kg 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 spinnability 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 decompound 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 0.35-0.60%, and the LOI of flame retarding products is 30~36%.
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