21898-59-9 1-methyl pyrrole-2-acetic acid High purity 1-methyl pyrrole-2-acetic acid 1-methyl pyrrole-2-acetic acid manufacture
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Test items |
Specifications |
Results |
Appearance |
White crystalline powder |
Complies |
Purity(HPLC) |
≧99.5% |
99.89% |
Melting point |
≧67℃ |
67.4℃ |
Water(K.F) |
≦0.2% |
0.07% |
Color(APHA) |
≦20 |
10 |
Free acid |
≦0.2% |
0.09% |
O-toluene sulfonyl chloride |
≦0.2% |
0.08% |
Conclusion |
The result conforms to the standard as above |
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