D-Aspartic Acid
Product Specifications
DFI-628649DFI-826777DFI-425715
DFI-628649
Description | |
---|---|
CAS No.: | 1783-96-6 |
Country of origin: | China |
Description: | White crystal or crystalline powder |
Formula: | C4H7NO4 |
Molecular weight: | 133.1 |
Origin: | Non Animal |
Packaging: | 25kg/ Drum |
Shelf life: | 24 months |
Storage: | Under shady, cold and dry conditions |
Specifications | |
Ammonium salts: | Max: 0.02% |
Arsenic: | Max: 1ppm, mg/kg |
Assay: | 98.5 to 101% |
Cadmium: | Max: 1ppm, mg/kg |
Chloride (Cl): | Max: 0.02% |
Heavy metals: | Max: 10ppm, mg/kg |
Iron (Fe): | Max: 10ppm, mg/kg |
Lead: | Max: 3ppm, mg/kg |
Loss on drying: | Max: 0.2% |
Mercury: | Max: 0.1ppm, mg/kg |
Other Amino Acids: | Not detectable |
pH: | 2.5 to 3.5 |
Residue on ignition: | Max: 0.1% |
Specific Optical Rotation: | -24° ~ -26° |
State of Solution: | Min: 98% |
Sulfate: | Max: 0.02% |
Microbiological | |
Coliforms: | Negative cfu/g |
Escherichia Coli: | Negative cfu/g |
Salmonella: | Negative cfu/g |
Staphylococcus aureus: | Negative cfu/g |
Total plate count: | Max: 1000cfu/g |
Yeasts & Moulds: | Max: 100cfu/g |
Published Date: 2021-10-12 16:44:16
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DFI-826777
Description | |
---|---|
CAS No.: | 1783-96-6 |
Country of Manufacture: | China |
Packaging: | Cardboard drum with food grade PE bag inside |
Shelf life: | 24 Months |
Specifications | |
Ammonium salts: | Max: 0.02% |
Arsenic: | Max: 1ppm, mg/kg |
Assay: | 98.5 to 101% |
Cadmium: | Max: 1ppm, mg/kg |
Chloride (Cl): | Max: 0.02% |
Heavy metals: | Max: 10ppm, mg/kg |
Iron (Fe): | Max: 10ppm, mg/kg |
Lead: | Max: 3ppm, mg/kg |
Loss on drying: | Max: 0.2% |
Mercury: | Max: 0.1ppm, mg/kg |
pH: | 2.5 to 3.5 |
Residue on ignition: | Max: 0.1% |
Specific Rotation: | -24.0° ~ -26.0° |
Sulfate: | Max: 0.02% |
Transmittance: | Min: 98% |
Microbiological | |
Escherichia Coli: | Not detected |
Salmonella: | Not detected |
Staphylococcus aureus: | Not detected |
Total plate count: | <1000 ufc/g |
Yeasts & Moulds: | <100 ufc/g |
Published Date: 2022-11-29 15:04:49
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DFI-425715
Description | |
---|---|
Appearance: | White crystals or crystalline powder |
CAS No.: | 1783-96-6 |
Country of origin: | China |
Formula: | 133.1 |
Formula: | HO2CCH2CH(NH2)CO2H |
Packaging: | 25kg/ drum |
Shelf life: | 24 months |
Storage: | Store in a cool dry place, sealed |
Specifications | |
Ammonium (NH4): | Max: 0.02% |
Arsenic: | Max: 1ppm, mg/kg |
Assay: | 99 to 101% |
Bulk Density: | 0.35 to 0.5 |
Cadmium: | Max: 0.3ppm, mg/kg |
Chloride (Cl): | Max: 0.02% |
Heavy metals: | Max: 10ppm, mg/kg |
Iron (Fe): | Max: 10ppm, mg/kg |
L-Isomer Content: | Max: 0.5% |
Lead: | Max: 0.03ppm, mg/kg |
Loss on drying: | Max: 0.2% |
Mercury: | Max: 0.1ppm, mg/kg |
Other Amino Acids: | Max: 30% |
pH: | 2.5 to 3.5 |
Residue on ignition: | Max: 0.1% |
Specific Rotation: | -24.0° ~ -26.0° |
Sulphate (SO4): | Max: 0.02% |
Tapped Density: | 0.55 to 0.7 |
Transmittance: | Min: 98% |
Microbiological | |
Enterobacteriaceae: | Negative/25g |
Salmonella: | Negative/25g |
Staphylococcus aureus: | Negative/25g |
Total plate count: | Max: 1000cfu/g |
Yeasts & Moulds: | Max: 100cfu/g |
Published Date: 2023-03-02 16:40:18