L-Cysteine HCl Monohydrate 20 Mesh (Synthetic)
Product Specifications
DFI-214988
DFI-214988
| Description | |
|---|---|
| Appearance: | White crystals or crystalline powder |
| CAS No.: | 7048-04-6 |
| Country of origin: | China |
| Packaging: | 25 kg Cardboard Drum with PE Bag |
| Particle size: | 20 mesh |
| Shelf life: | 24 months |
| Storage: | Preserve in tight containers at controlled room temperature |
| Specifications | |
| Arsenic: | Max: 1ppm, mg/kg |
| Assay: | 98.5 to 101.5% |
| Bulk Density: | Report only |
| Cadmium: | Max: 1ppm, mg/kg |
| Chromatographic purity: | Max: 2% |
| Chromatographic purity: | Max: 0.5% |
| Heavy metals: | Max: 15ppm, mg/kg |
| Identification: | Infrared Absorption |
| Iron (Fe): | Max: 30ppm, mg/kg |
| Lead: | Max: 3ppm, mg/kg |
| Loss on drying: | 8 to 12% |
| Mercury: | Max: 0.1ppm, mg/kg |
| Residual solvents: | Meets the requirements |
| Residue on ignition: | Max: 0.4% |
| Specific Rotation: | +5.7° ~ +6.8° |
| Sulfate: | Max: 0.03% |
| Tapped Density: | Report only |
| Microbiological | |
| Coliforms: | < 10 cfu/g |
| Escherichia Coli: | Negative |
| Pseudomonas: | Negative |
| Salmonella: | Negative |
| Staphylococcus aureus: | Negative |
| Total plate count: | < 1000 cfu/g |
| Yeasts & Moulds: | < 100 cfu/g |
Published Date: 2023-03-02 16:43:14
