GLYCYL GLYCINE
GLYCYL GLYCINE For Biochemistry
(pKa = 8.2 at 25 deg C 25 gm useful pH range 7.5-8.9)
Short Name: GLYCYL GLYCINE
Synonym: Gly-Gly; Diglycine
Basic Details
Article No.
LG2319
Grade
For Biochemistry
Purity
99%
CAS No.
556-50-3
HS Code
2924.1900
Shelf Life
60 Months
Packings Avialable
Physical Properties
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
Chemical Specifications
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%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H319
Precaution Statement
P305 + P351 + P338