Description
(pKa = 8.2 at 25 deg C 25 gm useful pH range 7.5-8.9)
Gly-Gly; Diglycine
| CAS | 556-50-3 |
| Molecular Formula | C4H8N2O3 |
| Molecular Weight | 132.12 |
| 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% |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H319 |
| Precaution Statement | P305 + P351 + P338 |















