L-Tyrosine
Product Specifications
DFI-189594DFI-226718
DFI-189594
| Description | |
|---|---|
| Appearance: | White crystalline powder or colourless crystals |
| CAS No.: | 60-18-4 |
| Country of origin: | China |
| Packaging: | Preserve in well closed containers and protected from light |
| Shelf life: | 24 months |
| Specifications | |
| Arsenic: | Max: 1ppm, mg/kg |
| Assay: | 98.5 to 101.5% |
| Cadmium: | Max: 1ppm, mg/kg |
| Chloride (Cl): | Max: 0.04% |
| Heavy metals: | Max: 0.0015% |
| Identification: | as per USP, FCC |
| Iron (Fe): | Max: 0.003% |
| Lead: | Max: 3ppm, mg/kg |
| Loss on drying: | Max: 0.3% |
| Mercury: | Max: 0.1ppm, mg/kg |
| Related Compounds: | As per USP |
| Residue on ignition: | Max: 0.4% |
| Residue on ignition: | Max: 0.1% |
| Solubility: | Very slightly soluble in water |
| Specific Rotation: | -10.0° to -11.0° |
| Specific Rotation: | -9.8° to -11.2° |
| Sulfate: | Max: 0.04% |
| Microbiological | |
| Aerobic Plate Count: | <1000 cfu/g |
| Coliforms: | Negative/g |
| Escherichia Coli: | Negative/g |
| Moulds: | <50 cfu/g |
| Salmonella: | Negative /375g |
| Staphylococcus aureus: | Negative/ 25g |
| Yeasts: | <50 cu/g |
Published Date: 2022-11-30 09:15:47
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DFI-226718
| Description | |
|---|---|
| Appearance: | White crystals or crystalline powder |
| CAS No.: | 60-18-4 |
| Country of origin: | China |
| Formula: | 181.189 |
| Formula: | C9H11NO3 |
| Packaging: | 25 kgs in paper drums and two PE bags inside. |
| Shelf life: | 36 months |
| Storage: | Store in well-closed container. Away from moisture. |
| Specifications | |
| Arsenic: | Max: 1.5ppm, mg/kg |
| Assay: | 98.5 to 101.5% |
| Cadmium: | < 1 ppm, mg/kg |
| Chloride (Cl): | Max: 400ppm, mg/kg |
| Heavy metals: | Max: 15ppm, mg/kg |
| Identification: | As per USP |
| Impurities: | Max: 0.5% |
| Iron (Fe): | Max: 30ppm, mg/kg |
| Lead: | < 3 ppm, mg/kg |
| Loss on drying: | Max: 0.3% |
| Mercury: | < 0.1 ppm, mg/kg |
| Residue on ignition: | Max: 0.4% |
| Specific Rotation: | -9.8 to -11.2° |
| Sulfate: | Max: 400ppm, mg/kg |
| Total impurities: | Max: 2% |
| Microbiological | |
| Coliforms: | Not detected in 25g |
| Escherichia Coli: | Negative |
| Salmonella: | Not detected in 25g |
| Staphylococcus aureus: | Not detected in 25g |
| Total plate count: | Max: 1000cfu/g |
| Yeasts & Moulds: | Max: 100cfu/g |
Published Date: 2023-03-13 14:23:00
