双甘肽
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.
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.
联系人 冯文超
