外观:白色或类白色结品性粉末,略有引湿性
Appearance:White or almost white, erystalline powder,slightlyhygroscopie
溶解性:本品在甲醇中易溶,在乙醇中溶解,在水中略溶
Solubility:Freely soluble in methanol, soluble in ethanol,sparingly soluble in water.
熔点 Melting Point:125℃-135℃
水分
Water ≤1.0%
炽灼残渣
Residue on ignition ≤0.2%
重金属
Heavy metals ≤10ppm
氯化物
Chloride ≤0.01%
硫酸盐
Sulfate ≤0.01%
比旋度 Specific Rotation: -38.5°~-41.5°
富马酸含量
Fumaric acid Assay: 10.4%-11.4%
含量
Assay: 98.0% to 102.0%
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