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Product name: Hydroxymethyl phenylphosphinic acid
Abb.: HMPPA
CAS No.: 61451-78-3
Molecular formula: C7H9O3P
Molecular weight: 172.1
Quality index:
Appearance: white powder or crystal
Purity (HPLC): ≥99.0%
Melting point: 137-139oC
P: 18.0±0.5%
Acid value: 326±4mgKOH/g
Fe: ≤0.005%
Chloride: ≤0.01%
Moisture: ≤0.5%
Packing: 25kg cardboard drum or plastic bag lined woven bag
Features: Soluble in water, stable in room temperature
Uses: As one kind of environment-friendly fire retardant, it is a new kind of permanent flame retarding modifier. Compared with CEPPA, it contains less phosphorus, has lower dosage and better thermal stability. The Melting point of its products is higher than that of CEPPA's products, or even reach to 256oC. It can be used to produce thinner polyester products for it is hard to breakage.
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