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Brand:
AECOCHEMCAS NO.:
147-85-3Product Name:
L-ProlineSynonyms:
2-Pyrrolidinecarboxylic acid; L(-)-ProlineMolecular Formula:
C5H9NO2MW:
115.13Packaging:
25kg/drumAECOCHEM has been dedicated to producing and marketing L-Proline CAS 147-85-3 for many years. We are ISO certificated with our L-Proline exported to USA, EU and India market, etc. Your enquiry is always welcome, for further information, contact us via E-mail: sales@aecochemical.com
CAS No.:147-85-3
Product Name:L-Proline
Synonyms:2-Pyrrolidinecarboxylic acid; L(-)-Proline
Molecular Formula:C5H9NO2
MW:115.13
Properties：
Melting point: 228 °C (dec.)(lit.)
Alpha: -85.5 º (c=4, H2O)
Boiling point: 215.41°C (rough estimate)
Density: 1.35
refractive index: -85 ° (C=4, H2O)
FEMA: 3319 | L-PROLINE
storage temp.: Store at RT.
Solubility: H2O: 50 mg/mL
Form: powder
Pka: 1.95, 10.64(at 25℃)
Color: White
PH: 6.0-7.0 (25℃, 1M in H2O)
optical activity: [α]20/D 85.0±1.0°, c = 5% in H2O
Water Solubility: soluble
Sensitive: Hygroscopic
Specification:
Description: White crystals or crystalline powder
Idenrification: Must comply
Specific rotation:[α]D20 -84.5 º to -86.0 º
State of solution: Clear and colourless
Transmittance: 98.0% min
Chloride(Cl): 0.02% max
Ammouium(NH4): 0.02% max
Sulfate(SO4): 0.020% max
Iron:(Fe) 10ppm max
Heavy metals(Pb): 10ppm max
Arsenic(As2O3): 1ppm max
Other amino acids: Conforms
Loss on drying: 0.30% max
Residue on ignition: 0.10% max
Assay: 98.5% to 101.0% (calculated on the dried basis)
pH: 5.9 to 6.9
Product Package:
25kg/drum or as per customers’ request.
Product Storage:
Keep in a cool & dry place
Some photos of shipment:
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