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DMPA

Inquiry
  Post Date: Jan 03,2013
  Expiry Date: Jul 02,2013
  Detailed Description: Cas No. :4767-03-7 Specs:DMPA-Ⅰ (coarse) size 0.250-0.425mm ≥90%

Dimethylolpropionic Acid (DMPA)

Molecular formula

　C5H10O4

Structural formula

Dimethylolpropionic Acid (DMPA)

Molecular weight

　134.13

Cas No

4767-03-7

Properties

　 odorless, free flow white crystal
　 Melting point ：185-190℃; Density：0.84.

Technical indexes

　Assay (%)　　　　　　　　　　　　　　　　　　　 ≥99
　Moisture (%)　　　　　　　　　　　　　　　　　　≤0.2
　Ash (%)　　　　　　　　　　 　　　　　　　　　　≤0.03
　Residual aldehyde (%)　　　　　　　　　　　　　 ≤0.01
　Hydroxyl value (mgKOH/g)　　　　　　　　　　　　810-860
　Fe (PPM)　　　　　　　　　　　　　　　　　　　　≤5
　Na (PPM)　　　　　　　　　　　　　　　　　　　　≤30
　K (PPM)　　　　　　　　　　　　　　　　　　　　 ≤10
　P(as phosphate) (PPM)　　　　　　　　　　　　 　 ≤10
　Si(as silicate) (PPM)　　　　　 　　　　　　　　　 ≤1
　Sulfate ion (PPM)　　　　　　　　　　　　　　　　≤10
　Solubility test in acetone-triethylamine 　　　　　　 clear

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..

 

  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: 0794-7177166
  Fax: 0794-7179266
  Email: 2667236439@qq.com
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