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% |
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: 0.5% |
| Related Substances: | Max: 1% |
| 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 |
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: | 97.5 to 102% |
| Assay: | 98.5 to 101% |
| 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 |
Published Date: 2023-04-20 13:53:06
