2,2-Bis(hydroxymethyl)propionic acid

　 odorless, free flow white crystal Appearance White Crystal Content (%) ≥99 Water (%) ≤0.3 Melting point ≥180℃ Ash (%) ≤0.03 Residue Formaldehyde (%) ≤0.03 Acid Value (mgKOH/g) 414.2-418.3 Hydroxyl value (mgKOH/g) 810-860 Fe3+ (PPM) ≤5 Na+ (PPM) ≤50 K+ (PPM) ≤10 PO43-(PPM) ≤10 SiO2(PPM) ≤1 SO42- (PPM) ≤10 Acetone-Et3N Solube Experiment Transparent
It can be used in water soluble PU system, water soluble alkyd resin, polyester resin, epoxy ester coating, PU elastomer and powder coating. Now, it is mainly used in coating of water soluble PU system, adhesive and leather coating agent.

CAS NO:4767-03-7

EC NO:225-306-3

Molecular Formula:C₅H₁₀O₄

Molecular Weight:134.1231

Synonyms:;Dimethylolpropionic acid;dihydroxypivalic acid;2,2-Dimethylol Propionic Acid;3-Hydroxy-2-(hydroxymethyl)-2-methyl-propanoic acid;3-hydroxy-2-(hydroxymethyl)-2-methylpropanoate;DMPA;2,2-Dimethylolpropionic acid;2,2-Bis(hydroxymethyl) propionic acid;

Molecular Structure: