COA Center



ERIOGLAUCINE Indicator grade

C.I.No.42090 Erioglaucine is a widely used acid aminotriphenylmethane dye of an intense blue colour.
Acid Blue 9, Alphazurine FG, FD&C;BLUE No. 1


10 g (00010)

25 g (00025)

1GBA000015 1PB1200060
Article No. 03690 Grade Indicator grade
Purity CAS No. 3844-45-9
Molecular Formula C37H34Na2N2O9S3 Molecular Weight 792.85
H.S. Code 3204.9000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Violet powder
Melting point/ Freezing point [°C] 283 °C Density [g/cm3] 0.65
Solubility in water [% weight] Soluble in water


Appearance Purple to dark purple powder Infrared spectrum Conforms to structure
Solubility (0.1% in water) Clear dark blue solution Absorption maxima (λmax1) 627 - 631 nm ((c = 0.005 g/l; Water)
Extinction Coefficient (at l1) Min 80000.00 Absorption maxima (λmax2) 405 - 409 nm
Extinction Coefficient (at l2) Min 9500.00 Absorption maxima (λmax3) 306 - 310 nm
Extinction Coefficient (at l3) Min 10000.00
Revision Date: 29-Oct-2018

Download MSDS & COA on your Mobile through LOBACHEMIE APP