AMMONIUM PURPURATE
AMMONIUM PURPURATE AR/ACS
C.I.No. 56085
Short Name: AMMONIUM PURPURATE
Synonym: 5,5-Nitrilodibarbituric acid monoammonium salt, Murexide
Basic Details
Article No.
LG0389
Grade
AR/ACS
Purity
CAS No.
3051-09-0
HS Code
2933.5990
Shelf Life
60 Months
Packings Avialable
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%)
Chemical 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 & Hazard Symbols
Safety Statement
22-24/25