Ammonium Purpurate AR
C.I.No. 56085
5,5-Nitrilodibarbituric acid monoammonium salt, Murexide
Product Code. |
00236 |
Grade |
AR |
Purity |
CAS No. |
3051-09-0 | |
Molecular Formula |
C8H8N6O6 |
Molecular Weight |
284.19 |
H.S.Code |
2933.59900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Red powder |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
> 300 °C |
Solubility in water [% weight] |
Slight (0.1-1%) |
Packaging
Specification
| Appearance | Dark Red to Purple Powder |
| Identity (IR) | Conforms to structure |
| suitability (as indicator in complexometric titration) | Passes test |
| Absorption maxima (0.001% in water) | About 521nm |
| Specific absorptivity A1%/1cm (water; 521nm) | Min 300 |
| Sulphated ash | Max 1.0% |
| Loss on drying (at 105°C) | Max 2.0% |
Safety Information and Hazard Symbols