Propyl Gallate Supplier 121-79-9
CAS No:121-79-9
Appearance:Powder
Items | Specifications | Results |
Product Name | Carbopol 940 | |
Other Name | Carbomer, POLY(ACRYLIC ACID), Carboxypoly-methylene | |
CAS No. | 9007-20-9 | |
Appearance | White or off-white powder | Off-white powder |
Identification | A yellow color is produced. | Conforms |
A very viscous gel is produced. | Conforms | |
Colorimetric test | Conforms | |
Heavy metals | NMT 20 mg/g | Conforms |
Acceptance criteria | NMT 0.5% | Conforms |
Viscodity-Rotational | 40,000-60,000 mPa • s | 58500 |
Loss on drying | NMT 2.0% | 0.2% |
Residue on ignition | NMT 0.50% | 0.09% |
Assay | 56.0%-68.0% on the dried basis | 67% |
Conclusion | The product tested complies with to the USP 40 Standard | |
Storage and packaging | Preserve in tight containers. No storage requirements |
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