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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

COAs

Packings

10 g (00010)

25 g (00025)

100 g (00100)

1GBA000032 1GBA000060 1GBA000180
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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

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

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

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