D-Pyrrolidine-2-car...

D-Pyrrolidine-2-carboxylic acid 344-25-2

D-Pyrrolidine-2-carboxylic acid 344-25-2

Min.Order / FOB Price:Get Latest Price

5 Metric Ton

FOB Price:USD 1.0000 -2.0000
  • Min.Order :5 Metric Ton
  • Purity: 99%
  • Payment Terms : L/C,T/T

Keywords

D-Pyrrolidine-2-carboxylic acid 3 D-Proline 344-25-2

Quick Details

  • Appearance:White Powder
  • Application: Vitamins, Amino Acids and Coenzymes
  • PackAge:25kg/drum
  • ProductionCapacity:2500|Metric Ton|Year
  • Storage:Store in cool and dry place, away from sun light.
  • Transportation:By sea or by air

Superiority:

Name   Proline
Synonyms   D-(+)-Proline; D-Pyrrolidine-2-carboxylic acid
 
Molecular Structure    
 
Molecular Formula   C5H9NO2
Molecular Weight   115.13
CAS Registry Number   344-25-2
EINECS   206-452-7
 
Properties
 
Melting point   223 ºC
alpha   84.75 º (c=4, H2O)
Water solubility   soluble >1000 g/L (20 ºC)
 

 

Details:

Item

Specification 

Specific rotation

+39.5 to +41.5° 

State of solution(transmittance)

Clear 98.0% min.

Chloride[cl]

0.020% max. 

Ammonium [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

Chromatographically not detectable

Loss on drying

0.20% max. 

Residue on ignition[sulfated]

0.10% max.

Assay

99.0% min

 

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