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Yigyooly Chemicals Co., Ltd.
Yigyooly Chemicals Co., Ltd.
Products
Dimethylol Propionic Acid (DMPA)
Molecular formula C5H10O4
Molecular weight 134.12
CAS.NO 4767-03-7
Executive standard GB 1616-88
Packing 25kgs PP bags or 25kgs/kraft bag,or jumbo bags
Uses It is a kind of multi-purpose organic raw material. It is a chain extender in the manufacture of waterborne polyurethane, It can also make polyurethane self emulsifying. It can be made into self emulsifying waterborne polyurethane with excellent stability, It is the upgrading product of traditional water emulsion polyacrylate leather finishing agent; It can also be used in leather material, liquid crystal, ink, food additive and adhesive chemical industry.
Features

tasteless, free flowing white crystal,Soluble in water, methanol, dimethylamide, Insoluble in acetone, benzene,methylbenzene etc.

Quality index
ITEM Test standard
Appearance White Crystal
Content (%) ≥99
Moisture (%) ≤0.3
Melting point (°C) 180-189
Ash (%) ≤0.03
Residue Formaldehyde (%) ≤0.03
Acid Value (mgKOH/g) 405-425
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