D-Biotin

Product Specifications

DFI-791121DFI-584437DFI-606524

DFI-791121

Description
CAS No.: 58-85-5
Country of origin: China
Description: A white to off-white crystalline powder
EINECS No.: 200-399-3
Formula: C10H16N2O3S
Molecular weight: 244.31
Packaging: Aluminium Tin of 1 kg
Shelf life: 36 months
Storage: Product should be preserved in tightly closed containers protected from light, heat and air. Do not expose to alkalis or strong oxidizing.
Synonyms: Vitamin H; Vitamin B7;
Uses: A white or almost white, crystalline powder or colourless crystal, very slightly soluble in water and in alcohol, practically insoluble in acetone. It dissolves in dilute solutions of alkali hydroxides, used as accessory substance, food and feed additives.
Specifications
Arsenic: Max 0.0003%
Assay: 97.5 to 100.5%
Heavy metals: Max: 0.001%
Identification: Should be similar to that of the reference solution.
Identification: Match with the Reference IR Spectrum
Individual Impurity: Max: 1%
Loss on drying: Max: 0.1%
Melting point: 229 to 232°C
Specific Rotation: +89° ~ +93°
Sulphated ash: Max: 0.1%
Total impurities: Max: 2%
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Published Date: 2020-09-17 13:57:49
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DFI-584437

Description
Appearance: White or almost white, crystalline powder or colourless crystals
Appearance of solution: Clear and colourless
Country of origin: China
Packaging: 1kg Tins
Shelf life: 36 months
Storage: Store protected from light
Specifications
Arsenic: Max: 0.5mg/kg, ppm
Assay: 98.5 to 101%
Cadmium: Max: 0.5mg/kg, ppm
Identification: Consistent with the Reference IR spectrum
Lead: Max: 0.5mg/kg, ppm
Loss on drying: Max: 1%
Mercury: Max: 0.1mg/kg, ppm
Related Substances: Max: 1%
Related Substances: Max: 0.5%
Specific Optical Rotation: +89° ~ +93°
Sulphated ash: Max: 0.1%
Microbiological
Escherichia Coli: Negative
Salmonella: Negative
Staphylococcus aureus: Negative
Total aerobic microbial count: Max: 100cfu/g
Yeasts & Moulds: Max: 10cfu/g
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Published Date: 2023-03-30 10:46:12
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DFI-606524

Description
Appearance: A white or off-white crystalline powder
Appearance of solution: Clear and colourless of 0.1 g/mL in 0.5N solution of sodium hydroxide
CAS No.: 58-85-5
Country of origin: China
Formula: C10H16N2O3S
Molecular weight: 244.31
Packaging: 1kg Aluminium Tin
Shelf life: 36 months
Storage: Store in tight containers in a dry place
Synonyms: 1H-Thieno[3,4-d]imidazole-4-pentanoic acid; Vitamin H; Biotin
Specifications
Arsenic: Max: 1mg/kg, ppm
Assay: 98.5 to 101%
Assay: 97.5 to 102%
Cadmium: Max: 1mg/kg, ppm
Heavy metals: Max: 10mg/kg, ppm
Identification A: Conform
Identification B: Conform
Identification C: The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the Assay
Identification D: Conform
Lead: Max: 2mg/kg, ppm
Loss on drying: Max: 0.2%
Melting point: 229 to 232°C
Mercury: Max: 0.1mg/kg, ppm
Organic Volatile Impurities: Meets requirements
Related Substances: Individual impurity NMT 1.0%; total impurities NMT 2.0%
Related Substances: Any impurity shall not be more than 0.5%; at most one impurity more than 0.25%
Solubility: Very slightly soluble in water and in alcohol, practically insoluble in acetone. It dissolves in dilute solutions of alkali hydroxides
Specific Optical Rotation: +89° ~ +93°
Sulphated ash: Max: 0.1%
Microbiological
Escherichia Coli: <0.3 MPN/g
Salmonella: Negative (in 25g)
Total plate count: < 1000 cfu/g
Yeasts & Moulds: < 100 cfu/g
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Published Date: 2023-04-20 13:53:06
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