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GLYCYL GLYCINE For Biochemistry
(pKa = 8.2 at 25 deg C 25 gm useful pH range 7.5-8.9)
Gly-Gly; Diglycine
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
COAs
Packings
10 g
(00010)
25 g
(00025)
100 g
(00100)
Print friendly version
Article No.
03985
Grade
For Biochemistry
Purity
99%
CAS No.
556-50-3
Molecular Formula
C
4
H
8
N
2
O
3
Molecular Weight
132.12
H.S. Code
2924.1900
Shelf Life
60 Months
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
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 and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338
Revision Date:
18-Dec-2013
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Good's Buffer (Biological Buffers)
GLYCYL GLYCINE