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 |
|