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Product Name

 AMMONIUM PURPURATE AR (C.I. NO. 56085) (MUREXIDE)

Article No

 A0025600025

CAS No

 3051-09-0

Molecular Formula

 C8H8N6O6

Molecular Weight

 284.19

Specifications

Appearance:

 Purple-red solid with green metallic luster

Identity (IR):

 Conforms to structure

Sulphated ash:

 Max 1.0%

Loss on drying (at 105°C) :

 Max 2.0%

Absorption maxima (0.001% in water):

 About 521nm

Specific absorptivity A1%/1cm (water; 521nm):

 Min 300

suitability (as indicator in complexometric titration):

 Passes test