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100 Kilogram |
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DMPA DIMETHYLOLPROPIONIC ACID DiMethylol Propionic
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CERTIFICATE OF ANALYSIS |
Product Name |
2,2-Bis(hydroxymethyl)propionic acid(DMPA) |
Cas no |
4347-03-7 |
Batch Number |
20230819 |
Packing |
In 25kgs net bag |
Date Of Manufacture |
June 19 2023 |
Date Of Reported |
June 19 2023 |
This is to certify that the quality of the subject product is as follows:
Items |
Specifications |
Results |
Apprearance |
White crystal |
White crystal |
Assay |
99%min |
99.36% |
Water |
0.3%min |
0.12% |
Melting Point |
178-187 ℃ |
180-1865.℃ |
Ash |
0.03%max |
0.011% |
Residue Formaldehyde |
0.03%max |
0.011% |
Acid value(mgkoh/g) |
405-425 |
417 |
Hydroxyl Value (mgKOH/g) |
810-860 |
835 |
Fe3+(ppm) 3+ (PPM)
|
5 max |
2 |
Na+ (ppm) + (PPM) |
150max |
20 |
K+(PPM)+ (PPM) |
10max |
2 |
CL- (PPM) |
10 max |
1 |
SO?²?(PPM) |
10 max |
5 |
Acetone-Et3N Solube Experiment |
Transparent |
Transparent |
Conclusion: The subject material conforms to the required standards. |
Analyst: |
徐磊 |
Checke: |
王文新 |
Authorized Signature & Stamps:李明 |
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