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Ë«¸ÊëÄ |
Chemical Name : 2-[Aminoacetamido) acetic acid] or Glycine dipeptide |
Molecular Formula : C4H8N2O3( H2NCH2- CONH - CH2COOH) |
Molecular Weight : 132.12 |
Cas No •: [ 556-50-3] |
Characteristics : Monoclinal or hexagonal white cystalline powder, odorless having a peculiar sweetness. It readily solves in water, slightly in ethanol, does not solve in acetone or ethyl ether. |
Quality Standards : AJI92, etc. |
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Specifications |
Appearance |
White crystalline powder |
Assay (C4H8N2O3), %(on dried matters) |
98.5~100.5 |
Transmittance, %( 0.4g /20mL water) |
≥ 98.0 |
Loss on drying,% (4h, 105 ? ) |
≤ 0.2 |
Heavy metals (as Pb),ppm |
≤ 10 |
Chloride(as Cl),% |
≤ 0.020 |
Sulphate (as SO4),% |
≤ 0.020 |
Residue on ignition,% |
≤ 0.1 |
pH( 5g /100mL water) |
5.5~6.0 |
Iron (as Fe), ppm |
≤ 20 |
Arsenic (as As2O3), ppm |
≤ 1 |
Other amino acid |
No detd. |
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