Product name D- Biotin
Appearance white off-white powder
Cas No. 58-85-5
Molecular Formula C10H16N2O3S
Molecular Weight 244.31
Melting Point 232-233 ºC
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D-Biotin(Vitamin H 99%)
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ITEM / 项目
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STANDAROS
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CHARACTERS
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A WHITE CRYSTALLINE POWDER OR COLOURLESS CRYSTAL
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IDENTIFICATION
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A:IR / B:HPLC / C:COLOR REACTION
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SPECIFIC OPTICAL ROTATION
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+89°— +93°
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RELATED SUBSTANCES
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MEETS THE REQUIREMENTS
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HEAVY METAL
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＜10PPM
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LOSS ON DAYING
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＜1.0%
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SULFATED ASH
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＜0.1%
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ASSAY
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98.5% — 101.0%
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D-Biotin(Vitamin H 5%)
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ITEM
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STANDAROS
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APPEARANCE
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A WHITE OR ALMOST WHITE POWDER,FREE FLOWING READILY ABSORBING MOISTURE
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LOSS ON DRYING
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≤8%
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PARTICLE SIZE
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90% PASS THROUGH 80 MESH SIEVE
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ASSAY
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≥5.0%
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PACKAGING AND STORAGE
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STORE DRY AND WELL-CLOSED CONTAINERS
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