Advanced Search
Chemicals
Search Lab Chemicals by Category
Advanced Search
New Products
LOBA TLC Sprayer
Mn Filter
Contact Us
Home
Lab Chemicals
Good's Buffer (Biological Buffers)
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
C
4
H
8
N
2
O
3
Molecular Weight
132.12
H.S. Code
2924.1900
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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
Packings
10 g
(00010)
25 g
(00025)
100 g
(00100)
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