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6022 L-Di-p-methyloxyphenyl-tartaric acid |
中文名字:L-对甲氧基二苯甲酰酒石酸
Product Name: L-Di-p-methyloxyphenyl-tartaric acid
Synonyms:
Molecular Formula:C20H18O10
CAS #:50583-51-2
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Test Items |
Standard |
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Appearance |
White fine crystals |
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Assay |
98.0 to 101.0% |
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Specific Rotation [20/D] |
-167±2°(C=1,乙醇) |
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Melting point |
193 ~195℃ |
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Chloride (Cl) |
Not more than 0.10% |
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Heavy Metals (Pb) |
Not more than 10 PPM |
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Loss on Drying |
Not more than 0.20% |
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Residue on Ignition (Sulfate) |
Not more than 0.20% |
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