Dimethylolpropionic Acid

We are offering our customers a wide range of Dimethylolpropionic Acid, which are available following Specifications :-
Molecular formula C5H10O4
Molecular weight 134.13
Cas No 4767-03-7
Properties odorless, free flow white crystal
Melting point 185-190a ; Densityi 0.84.
Technical indexes
Assay (%) a Y99 Moisture (%)a 0.2 Ash (%)a 0.03 Residual aldehyde (%)a 0.01a Hydroxyl value (mgKOH/g) 810-860 Fe (PPM)a 5 Na (PPM)a 30 K (PPM)a 10
P(as phosphate) (PPM)a 10 Si(as silicate) (PPM)a 1 Sulfate ion (PPM)a 10
Solubility test in acetone-triethylamine clear
Uses i 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
Specificationi DMPA-a (coarse) size 0.250-0.425mm a Y90%, DMPA-a (refined) size 0.250-0.425mm a 30% 0.150-0.250mm a Y50%
Packingi 25Kg in paper-plastic laminated bag or cardboard drum. or following youra demands.
Storagei 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.