2,2-Bis(hydroxymethyl)propionic acid

DMPA 4767-03-7 for waterborne polyurethane CAS NO.:4767-03-7 Chemical name: 2,2-Dimethylol Propionic Acid Structural Formula: CH3-C(CH2OH)2-COOH Molecular Formula: C5H10O4 Molecular Weight:134.13 Appearance :White powder Hydroxy content %:≥99 Hydroxyl value ,mgKOH.g-1:815~870 Melting point °C:≥180°C Chroma (PT-CO):≤150# Water content %:≤0.3 Ash content%:≤0.03 Residual formaldehyde%:≤0.03 Acid value mgKOH/g:410.0-418.0 Fe (PPM):≤5 Na (PPM):≤50 K (PPM):≤10 P (PPM):≤10 Si (PPM):≤1 Sulfate ion (PPM):≤10 Acetone -triethylamine dissolution test clear transparent Usage: 2,2Dimethylol Propionic Acid is a versatile organic raw materials. It is a chain extender in the manufacturing of waterborne polyurethane and can make polyurethane achieve self-emulsifying performance, being the waterborne polyurethane emulsion which has good stability. It is also used in the producing of polyurethane emulsion leather finishing agent, which is the upgrade products of traditional emulsive polyacrylate leather finishing. Used as addictive in modifying polyester resin ; the raw material of making photosensitive resin and liquid crystal ; epoxy ester coatings, PU elastomers and powder coating ; used in producing magnetic materials and adhesives to make recording tape , video tape, computer tape, data recording tape and magnetic card, etc.
t is a chain extender in the manufacturing of waterborne polyurethane

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:

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: