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Quick Details
- CAS No.: 147-85-3
- Grade Standard: Food Grade,Medicine Grade
Specifications
Supplier: Premium Ingredient Co., Ltd
Product Name: L-Proline Cas No.:147-85-3 Quality Standard: AJI92
Description: white crystals or crystalline powder.
Solubility (H2O, g/100g): 155(20°), 188 (40°), 228(60°)
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Test item
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Limit
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Specific rotation
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-84.5 to -86.0°
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State of solution
(transmittance)
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Clear and colorless
Not less than 98.0%
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Chloride
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Not more than 0.020%
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Ammonium
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Not more than 0.02%
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Sulfate
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Not more than 0.020%
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Iron
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Not more than 10ppm
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Heavy metals(Pb)
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Not more than 10ppm
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Arsenic
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Not more than 1ppm
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Other Amino Acids
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Chromatographically not detectable
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Loss on drying
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Not more than 0.30%
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Residue on ignition
(sulfated)
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Not more than 0.10%
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Assay
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99.0 to 101.0%
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PH
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5.9 to 6.9
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Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 1 year
