GLYCYL GLYCINE

GLYCYL GLYCINE For Biochemistry

(pKa = 8.2 at 25 deg C 25 gm useful pH range 7.5-8.9)
Gly-Gly; Diglycine

Article No.

03985

Grade

For Biochemistry

Purity

99%

CAS No.

556-50-3

Molecular Formula

C₄H₈N₂O₃

Molecular Weight

132.12

H.S. Code

2924.1900

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Odorless

pH value

4.5 - 6.0 at 132,12 g/l at 25 °C

Melting point/ Freezing point [°C]

255 - 260 °C

Decomposition point [°C]

263°C

Solubility in water [% weight]

132 g/l at 20 °C - completely soluble

Appearance	White crystalline powder
Assay (by HClO4 titration)	Min 99%
UV absorbance (at 250 nm; 20 g/l; 1 cm; water)	Max 0.05
Chloride (Cl)	Max 0.005%
Sulphate (SO4)	Max 0.005%
Heavy metal (as Pb)	Max 0.0005%
Sodium (Na)	Max 0.01%
Loss on drying (at 105°C)	Max 1%