Product description:
Acid Blue 80 is a reddish blue powder.
Soluble in water, but the solution will precipitate if placed too long.
It appears reddish blue in concentrated sulfuric acid and turns greenish-blue after dilution;
Brown in concentrated nitric acid. An aqueous solution is dark blue in addition to hydrochloric acid or sodium hydroxide.
Product parameter:
Synonyms: Weak Acid Brilliant Blue RAWL
CAS No.: 4474-24-2
EINECS No.: 224-748-4
C.I. No.: 61585
Strength: 150%
Molecular formula: C32H31N2NaO8S2
Molecular Weight: 658.72
Water solubility: 10.95g/L at 20℃
Density: 1.537 at 20℃
Melting point: >300 °C
LogP: -1.304 at 20℃
Refractive index: 1.679
Product picture:
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