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
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Published Date: 2023-03-02 16:43:14
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