Ponceau 6R, or Crystal ponceau 6R, Crystal scarlet, Brilliant crystal scarlet 6R, Acid Red 44, or C.I. 16250, is a red azo dye. It is soluble in water and slightly soluble in ethanol. It is used as a food dye, with E Number E126. It is also used in Histology, for staining fibrin with the MSB Trichcomb stain. It usually comes as disodium salt.
Brilliant Crystal Scarlet C.I. 16250
£15.00 – £45.74
Synonyms: C.I. 16250; Acid Red 44; Ponceau 6R; Crystal Ponceau 6R; Brilliant Crystal Scarlet
Molecular Formula: C20H12N2Na2O7S2
Molecular Weight: 502.43
Description: Dark brown powder
Melting Point: > 300 Deg. C
Lambda Max: 509-514 nm
Dye content: ~ 80%
Solubility 0.1% (Water): Clear red solution
Loss on drying: <20% at 110 Deg. C/ 1 hour
Not considered harmful under normal laboratory conditions
HS CODE: 32041983
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25gm, 50gm, 100gm