Character: Biotin is colorless to almost colorless crystalline Powder. Melting point 232 -233℃. Solubility in 25 (mg/100ml):water -22; 95% ethanol -80. Sparingly soluble in acidic or alkaline solution, can not soluble in other conventional organic solvent. Decompose when meet alkali or oxidant.
Applications: Biotin is nutrition extender. It can be used as auxiliary in the processing of food. It can prevent skin disease and improve lipid metabolism. Take too much raw albumen will lead to a biotin shortage.
Specification: USP34
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Item |
Specification |
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Identification |
To match with the reference IR spectrum |
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Specific rotation |
+89° ~ +93° |
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Residual solvents (Toluene) |
890ppm Max. |
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Assay |
97.5 ~ 100.5% |
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Lead |
2mg/kg Max. |
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Arsenic |
1mg/kg Max. |
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Cadmium |
1mg/kg Max. |
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Mercury |
0.1mg/kg Max. |
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Mesh size |
100% pass 300 mesh |
Specification: EP7
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Item |
Specification |
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Characters |
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|
Identification |
A. IR: To match with the reference IR spectrum B. TLC: The principal spot in the chromatogram obtained with test solution is similar in position and size to the principal spot in the chromatogram obtained with reference solution C. Color reaction: The bromine water is decolorized |
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Appearance of solution |
Clear and colorless |
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Specific optical rotation |
+89° ~ +93° |
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Related substances |
Meets EP requirement |
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Heavy metals |
10ppm Max. |
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Loss on drying |
1.0% Max. |
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Sulfated ash |
0.1% Max. |
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Assay |
98.5 ~ 101.0% |
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Mesh size |
100% pass 300 mesh |