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
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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: C9H11NO3
Formula: 181.189
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
Request this Spec
Published Date: 2023-03-13 14:23:00
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The last date for deliveries will be Thursday 21st December 2023 with deliveries re-commencing Wednesday 3rd January 2024

Please place orders for pre-Christmas delivery no later than Thursday 14th December 2023