2,2-Dihydroxymethylpropionic acid

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Description

2,2-Dihydroxymethylpropionic acid 

Product Description 

Dihydroxymethylpropionic acid is a multi-purpose organic raw material, which can be used as both a chain extender and a self-emulsifying polyurethane in the manufacture of aqueous polyurethane. 

Molecular formula: C5H10O4 Molecular weight: 134.13 CAS No.: 4767-03-7 EINECS No.: 225-306-3

Product Features

It is an odorless, free flowing white crystal, easily soluble in water, methanol, dimethyl amide, insoluble in acetone, benzene, toluene, etc.

Technical specifications

Content:(%)≥99
Moisture:(%)≤0.3
Ash:(%)≤0.03
Melting point180-190
Hydroxyl value(%)≥24
Acid value: mgKOH/g405-425
Residual aldehyde:(%)≤0.03

Packaging:25kg / bag PE bag or paper drum; shelf life 2 years.

Storage:Store airtight in a cool and dry place. Stack 50cm away from the wall, under a wooden board or pallet.

Specification

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