Glycylglycine

Product Description

 Name:Glycylglycine
Synonyms:Glycyl-glycine; N-Glycylglycine; Diglycine; Gly-Gly
Molecular Formula:C4H8N2O3
Molecular Weight:132.12
CAS Registry Number:556-50-3
EINECS:209-127-8
 
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.
Specifications:
Items
 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.