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6021   D-Di-p-methyloxyphenyl-tartaric acid

中文名字：D-对甲氧基二苯甲酰酒石酸

Product Name: D-Di-p-methyloxyphenyl-tartaric acid
Synonyms:
Molecular Formula:C20H18O10
CAS #:191605-10-4

Test Items
Standard
Appearance
White fine crystals
Assay
98.0 to 101.0%
Specific Rotation [20/D]
+167±2°（C=1，乙醇）
Melting point
193 ~195℃
Chloride (Cl)
Not more than 0.10%
Heavy Metals (Pb)
Not more than 10 PPM
Loss on Drying
Not more than 0.20%
Residue on Ignition (Sulfate)
Not more than 0.20%
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