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2,2-dimethylol propionic acid

Inquiry
  Post Date: Nov 13,2014
  Expiry Date: May 12,2015
  Detailed Description: Cas No. :4767-03-7 Specs:2,2-dimethylol propionic acid
Dimethylolpropionic Acid (DMPA)



Molecular formula
　C5H10O4

Structural formula
CH3－C(CH2OH)2－COOH

Molecular weight
　134.13
Cas No
4767-03-7

Properties
　 odorless, free flow white crystal

Performance indicators
Appearance
White Crystal

Content (%)
≥99

Water (%)
≤0.3

Melting point
≥180℃

Ash (%)
≤0.03

Residue Formaldehyde (%)
≤0.03

Acid Value (mgKOH/g)
414.2-418.3

Hydroxyl value (mgKOH/g)
810-860

Fe3+ (PPM)
≤5

Na+ (PPM)
≤50

K+ (PPM)
≤10

PO43-(PPM)
≤10

SiO2(PPM)
≤1

SO42- (PPM)
≤10

Acetone-Et3N Solube Experiment
Transparent

Uses
It can be used in water soluble PU system, water soluble alkyd resin, polyester resin, epoxy ester coating, PU elastomer and powder coating. Now, it is mainly used in coating of water soluble PU system, adhesive and leather coating agent.



Specification
DMPA-Ⅰ (coarse) size 0.250-0.425mm ≥90%,
DMPA-Ⅱ (refined) size 0.250-0.425mm ≤30%
0.150-0.250mm ≥50%



Packing
　25Kg in paper-plastic laminated bag or cardboard drum. or following your　
　demands.

Storage
　sealed, kept in cool and dry place. If piled, it should be laid on wood sheet
　with thickness of 10cm) and the distance from wall is 50cm..





Dimethylolbutanoie acid (DMBA)



Molecular formula
　C6H12O4

Structural formula
CH3－CH2－C(CH2OH)2－COOH

Molecular weight
　148.16
Cas No.
　10097-02-6

Properties
　 odorless, free flow white crystal.

Performance indicators
Appearance
White Crystal

Content (%)
≥99

Water (%)
≤0.3

Melting point
108-115℃

Ash (%)
≤0.03

Residue Formaldehyde (%)
≤0.03

Acid Value (mgKOH/g)
374.7-378.3

Hydroxyl value (mgKOH/g)
728-782

Fe3+ (PPM)
≤5

Na+ (PPM)
≤150

K+ (PPM)
≤10

PO43-(PPM)
≤10

SiO2(PPM)
≤1

SO42- (PPM)
≤10

Acetone-Et3N Solube Experiment
Transparent

Uses
It is a good crosslinking agent and hydrophilic agent, or used to produce water-based high molecule system, is widely used in water soluble PU system, polyester resin and epoxy ester. With good solubility, it also is widely used in coating of water soluble PU system, adhesive and leather coating agent.. It will become a new kind of environment-friendly substitute of 2,2-Bis(hydroxymethyl)propionic acid.



Specification
　DMBA-Ⅰ size 0.250-0.425mm ≥90%

Packing
　25Kg in Al-foil bag. or following your demands.

Storage
　sealed, kept in cool and dry place. If piled, it should be laid on wood sheet
　with thickness of 10cm) and the distance from wall is 50cm..

  CAS Registry Number:

4767-03-7
  Synonyms: ;Dimethylolpropionic acid;dihydroxypivalic acid;2,2-Dimethylol Propionic Acid;3-Hydroxy-2-(hydroxymethyl)-2-methyl-propanoic acid;3-hydroxy-2-(hydroxymethyl)-2-methylpropanoate;DMPA;2,2-Dimethylolpropionic acid;2,2-Bis(hydroxymethyl) propionic acid;
  Molecular Formula: C5H10O4
  Molecular Weight: 134.1231
  Molecular Structure: 4767-03-7 2,2-Bis(hydroxymethyl)propionic acid
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37:;
  Safety Description: S26:;
S37/39:;

  Company: Jiangxi Nancheng Hongdu Chemical Technology Development Co., Ltd.     [ China ]          
  Contact: Thomson
  Tel: +86-794-7177166 7179268 71792
  Fax: +86-794-7179266
  Email: 2667236439@qq.com
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