GLYCYL GLYCINE For Biochemistry

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

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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
 

 

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

  • 1GBA000032

    10 g (00010)

  • 1GBA000060

    25 g (00025)

  • 1GBA000180

    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

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338
Revision Date : 18-Dec-2013
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