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

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
MSDS
 

 

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

Packings

  • 1GBA000015

    10 g (00010)

  • 1PB1200060

    25 g (00025)

 

Specifications

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
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