Name:Glycylglycine
Synonyms:Glycyl-glycine; N-Glycylglycine; Diglycine; Gly-Gly
Molecular Structure:
Molecular Formula:C4 H8 N2 O3
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.