Dimethylol propionic acid (DMPA regular powder)

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Dimethylol propionic acid (DMPA regular powder)

Product Features

DMPA is a unique multifunctional hindered glycol molecule with both hydroxyl and carboxyl groups. As a chain extender and hydrophilic agent, DMPA has been widely used in the production of water-based coatings, water-based adhesives and water-based leather finishing agents in water-based polyurethane systems.
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Product Details

Chinese name 2,2-Dimethylolpropionic Acid (DMPA)
English Name

Dimethylolpropionic Acid Bis(hydroxymethyl)propionic Acid

Short form: DMPA
structural formula 2,2-二羟甲基丙酸（DMPA）
Molecular formula

C5H10O4
CAS No. 4767-3-7
molecular weight 134.13
Melting Point ≥ 180 ℃
Physical Properties This product is a tasteless, free-flowing white crystal, soluble in water, methanol, dimethylformamide, insoluble in acetone, benzene, toluene and so on.
Quality Index

 

Indicator name Index Standard Standard
外观Appearance White crystal with white granular crystals
Content Content (%) ≥98
Water (%) ≤ 0.3
熔点Melting Point (℃) ≥ 180
Ash (%) ≤ 0.03
残醛Residue Formaldehyde (%) ≤ 0.03
酸值Acid Value (mgKOH/g) 380.0-430.0
羟值Hydroxyl Value (mgKOH/g) 810-860
Iron Fe3 (PPM) ≤5
Potassium K (PPM) ≤10
acetone-triethylamine dissolution testAcetone-ET3NSolube Experience Clarification and transparencyTransparent

 
Use

DMPA is a unique multi-functional hindered diol molecule with both hydroxyl and carboxyl groups. As a chain extender and hydrophilic agent, DMPA has been widely used in the production of water-based polyurethane system, water-based coatings, water-based adhesives, and water-based leather finishing agents.
Packaging 25Kg plastic bag plus carton or according to user requirements.
Storage Requires closed storage, stored in a cool and dry place. When stacking, it is padded with 10cm thick board and 50cm away from the wall.

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Dimethylol propionic acid (DMPA regular powder)

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