DMPA(Dimethylolpropionic acid)

Dimethylolpropionic Acid (DMPA) supply:

 Origin China   CAS No. 4767-03-7   Purity 99

Molecular formula  C5H10O4

Molecular weight 134.13

Cas No 4767-03-7

Properties odorless, free flow white crystal

 Melting point 185-190℃; Density：0.84.

Technical indexes

Assay (%) ≥99  Moisture (%)≤0.2  Ash (%)≤0.03  Residual aldehyde (%)≤0.01　Hydroxyl value (mgKOH/g) 810-860   Fe (PPM)≤5  Na (PPM)≤30  K (PPM)≤10 P(as phosphate) (PPM)≤10  Si(as silicate) (PPM)≤1  Sulfate ion (PPM)≤10 Solubility test in acetone-triethylamine clear

Uses ：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

Specification： DMPA-Ⅰ (coarse) size 0.250-0.425mm ≥90%, DMPA-Ⅱ (refined) size 0.250-0.425mm ≤30% 0.150-0.250mm ≥50%

Packing：25Kg in paper-plastic laminated bag or cardboard drum. or following your　demands.

Storage：sealed, kept in cool and dry place. If piled, it should be laid on wood sheet with thickness of 10cm) and the distance from wall is 50cm.