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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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