2,2-Bis(hydroxymethyl)propionic acid Cas:4767-03-7

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2,2-Bis(hydroxymethyl)propionic acid

DiMethylol Propionic
Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-
dihydroxypivalic acid
3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid
2,2-Bis(hydroxymethyl)propionic Acid
3-hydroxyl-2-hydroxymethyl-2-methylpropionic acid
molecular formula: C5H10O4
Molecular weight: 134.13000
Physical Properties:
Appearance and properties: white to off-white crystalline solid
Density: 0.84
Boiling point: 366.7ºC at 760 mmHg
Melting point: 189-191 °C(lit.)
Flash point: >150°C
Water solubility: soluble

 Index Standard  Result
White crystal
White crystal
 Content   (%) ≥99.0 99.76
 Water   (%) ≤0.3 0. 12
 Melting Point   (℃) ≥ 180 184.6
 Ash   (%) ≤0.03 0.010
HCHO  (%) <0.03 N/D
 Acid value(mgkoh/g) 405-425 414
 Hydroxyl Value (mgKOH/g) 810-860 850
 Fe3+(ppm) <10 5
 Na+(ppm) <50 10
 K+(ppm) ≤10 1
 SO42-(ppm) ≤10 1
 CI-(ppm) <10 N/D
 Ca+(ppm) <10 1
Soluble Experiment  Transparent
1. Important raw materials for chemical products such as coatings, adhesives, resins, etc.
2. Important raw materials for chemical products such as coatings, adhesives, resins, etc. It can also be used in leather materials, liquid crystals, inks, food additives and adhesive chemicals. It is used in the preparation of polyurethane water-emulsion leather finishing agents, photosensitive resins, magnetic recording materials and their adhesives.
3. For the preparation of polyurethane water-emulsion leather finishing agent, photosensitive resin, magnetic recording material and its adhesive, etc.

Package and Storage:
25Kg fiber paper drum, stored in a ventilated, dry, away from fire source, and meet the fire protection requirements of the warehouse.

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