Premium Ingredient Co., Ltd.

China Manufacturer with main products: Glutamine, Glycine, Sodium Hyaluronate, l-Citrulline, Vitamin B1, Ascobyl Palmitate, l-Lysine Monohydrochloride, l-Cysteine Hcl Mono

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L-Proline

Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

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°)
 
Test item
Limit
Specific rotation
-84.5 to -86.0°
State of solution
(transmittance)
Clear and colorless
Not less than 98.0%
Chloride
Not more than 0.020%
Ammonium
Not more than 0.02%
Sulfate
Not more than 0.020%
Iron
Not more than 10ppm
Heavy metals(Pb)
Not more than 10ppm
Arsenic
Not more than 1ppm
Other Amino Acids
Chromatographically not detectable
Loss on drying
Not more than 0.30%
Residue on ignition
(sulfated)
Not more than 0.10%
Assay
99.0 to 101.0%
PH
5.9 to 6.9
 
Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 1 year

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