Glycylglycine CAS No.: 556-50-3

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.