Synonyms Aminoacetic acid; H-Gly-OH; Glycine, Free Base; Glycocoll; Glycine BP; Gly; L-Glycine
Molecular Formula C2H5NO2
Molecular Weight 75.07
InChI InChI=1/C2H5NO2/c3-1-2(4)5/h1, 3H2, (H, 4, 5)
CAS Registry Number 56-40-6
EINECS 200-272-2
Density 1.595
Melting point 182
Boiling point 233
Quality Standard: AJI92
Description: White crystals or crystalline powder.
Solubility (H2O, g/100g): 22.5(20° ), 33.2(40° ), 45.3(60°
Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 2 years
Test item
|
Limit
|
Specific rotation
|
+31.5 to +32.5°
|
State of solution
(transmittance)
|
Clear and colorless
Not less than 98.0%
|
Chloride
|
Not more than 0.007%
|
Ammonium
|
Not more than 0.02%
|
Sulfate
|
Not more than 0.006%
|
Iron
|
Not more than 10ppm
|
Heavy metals(Pb)
|
Not more than 10ppm
|
Arsenic
|
Not more than 1ppm
|
Other Amino Acids
|
Conforms
|
Loss on drying
|
Not more than 0.20%
|
Residue on ignition
(sulfated)
|
Not more than 0.10%
|
Assay
|
98.5 to 101.0%
|
PH
|
5.9 to 6.4
|
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