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CAS No:56-86-0 (2S)-2-aminopentanedioic acid
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L-Glutamic acid 56-86-0

  • CAS No.: 56-86-0
  • Weight: 147.12926
  • Formula: C5H9NO4
  • Melting Point: 205 ºC
  • Place of Orign: Deyang,Sichuan,China
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Item specifics

  • Product Name.:L-Glutamic acid 56-86-0
  • CAS No: 56-86-0
  • Weight: 147.12926
  • Formula: C5H9NO4
  • Melting Point: 205 ºC
  • Boiling Point: 333.8 °C at 760 mmHg
  • Density: 1.538

Details

Appearance
White crystals or crystalline powder

Specific rotation[a]20/D
(C=10 in 2N HCl)
+31.5 to +32.4

State of solution

(Transmittance)
Clear and colorless not less than 98.0%

Chloride (Cl)
Not more than 0.020%

Ammonium (NH4)
Not more than 0.02%

Sulfate (SO4)
Not more than 0.020%

Iron (Fe)
Not more than 10ppm

Heavy metal(Pb)
Not more than 10ppm

Arsenic(As2O3)
Not more than 1ppm

Other Amino Acids
Chromatographically

Not detectable

Loss on drying
Not more than 0.10%

Residue on ignition(sulfated)
Not more than 0.10%

Assay
99.0% to 100.5%

pH
3.0 to 3.5

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