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         2,2-Bis(hydroxymethyl)propi
 
     
 
2,2-Bis(hydroxymethyl)propionic acid
Product name: 2,2-Bis(hydroxymethyl)propionic acid
Molecular formula:

C5H10O

Molecular weight:

134.13

Appearance:

Colorless or light white crystalline powder

Purity:

≥99%

Hydroxyl value:

≥24%

Residual aldehyde:

≤0.03%

Ash content:

≤0.03%

Iron:

≤10ppm

Peroxide:

≤0.01%

Moisture:

≤0.3%

Neutralization equivalent:

<141

Acid value:

410~415  

Melting point:

175~185℃ ?

?

DMPA is a unique multifunctional hindered dihydric alcohol molecule. When the free acid group neutralized with alkali, it can actively improve the water solubility or dispersibility of resin. When introducing polar group, it can improved coating adhesion, dyeing performance of synthetic fiber and increase alkali solublity of coating. It can be used in water-souble polyurethane system, water-soluble alkyd resin and polyester resin, epoxy ester coating, polyurethane elastomer and powder coating.
??? It can also be used in leather chemicals, liquid crystal, ink, food additive and adhesive chemical, etc. In the production of emulsion polyurethane and leather finishing agent, it is chain extender and can provide excellent self-emulsifying property of polyurethane and improve the stability of polyurethane emulsion. So it is widely used.

Packing:

25Kg cardboard drum

 
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