Dmpa Dimethylolpropionic Acid for Water-Based Polyurethane Chain Extender CAS 4767 -03-7
Model NO.
a zln 4767-03-7
EINECS
225-306-3
Type
Synthesis Material Intermediates
Appearance
Powder
Quality
Industrial
Colour
White
MW
134.13
Purity
Min 99%
Sample
Support
Storage
Yes
Transport Package
Drum
Specification
25kg/200kg
Trademark
Future Chemical
Origin
China
Production Capacity
1000ton
Reference Price
$ 4.50 - 54.00
Description
Product Description
DMPA 2, 2-Bis (hydroxymethyl) Propionic Acid with white crystal powder CAS 4767-03-7
| 2,2-Bis(hydroxymethyl)propionic acid Basic information | |
| Product Name: | 2,2-Bis(hydroxymethyl)propionic acid |
| CAS: | 4767-03-7 |
| MF: | C5H10O4 |
| MW: | 134.13 |
| EINECS: | 225-306-3 |
| Mol File: | 4767-03-7.mol |
| 2,2-Bis(hydroxymethyl)propionic acid Chemical Properties | |
| Melting point | 189-191 °C(lit.) |
| Boiling point | 167.23°C (rough estimate) |
| density | 0.84 |
| vapor density | <1 (vs air) |
| refractive index | 1.4240 (estimate) |
| Fp | >150°C |
| storage temp. | Store below +30°C. |
| solubility | H2O: soluble |
| form | Crystalline Powder |
| color | White |
| PH | 2.6 (50g/l, H2O, 20ºC) |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Merck | 143,253 |
| BRN | 1756385 |
| Stability: | Stable. Hygroscopic. |
| InChIKey | PTBDIHRZYDMNKB-UHFFFAOYSA-N |
| CAS DataBase Reference | 4767-03-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,2-Bis(hydroxymethyl)propionic acid(4767-03-7) |
| EPA Substance Registry System | Dimethylolpropionic acid (4767-03-7) |
| Test Item | Requirement | Test Result |
| Appearance | White flowing crystal | PASS |
| hydroxyl value | ≥24% | 24.49% |
| neutralization equivalent | ≤141 | 135.1 |
| Moisture | ≤0.3 | 0.09 |
| Acid Value | 405-425mgKOH/g | 417.9 |
| Ash | ≤0. 03 | 0.02 |
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