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AMMONIUM PURPURATE AR/ACS

C.I.No. 56085
5,5-Nitrilodibarbituric acid monoammonium salt, Murexide

Packings

5 g (00005)

25 g (00025)

1000 g (01000)

1GBA000015 1GBA000015
Article No. 01330 Grade AR/ACS
Purity CAS No. 3051-09-0
Molecular Formula C8H8N6O6 Molecular Weight 284.19
H.S. Code 2933.5990 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%)

Specifications

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

Safety Statement: 22-24/25
Revision Date: 26-Sep-2020

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