Product Name: H-Glu-OH
CAS#: 56-86-0
CAS#: 56-86-0
Synonyms: L-Glutamic acid
Molecular Formula: C5H9NO4
Molecular Formula: C5H9NO4
Molecular Weight: 147.13
Reference standard: AJI92
Specifications:
Item
|
Standard
|
Appearance
|
White crystals or crystalline powder
|
Specific rotation[α]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
|