Dimethylolpropionic Acid
| Post Date: |
Jan 03,2013 |
| Expiry Date: |
Jul 02,2013 |
| Detailed Description: |
Cas No. :4767-03-7
Specs:DMPA-Ⅰ (coarse) size 0.250-0.425mm ≥90%
Dimethylolpropionic Acid (DMPA)
|
Molecular formula |
C5H10O4 |
|
Structural formula |
|
|
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.. |
|
| CAS Registry Number: |
|
| 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 Formula: |
C5H10O4 |
| Molecular Weight: |
134.1231 |
| Molecular Structure: |
|
| Hazard Symbols: |
 Xi:Irritant;
|
| Risk Codes: |
R36/37:;
|
| Safety Description: |
S26:;
S37/39:;
|
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