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
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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
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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
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Published Date: 2023-03-02 16:40:18
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