Emp. Formula : C37H34N2Na2O9S3
Mol weight : 792.86

Uses : Acid Blue 9 has various grades as per the applications. It is used as a food dye acid for colouration of foodstuffs, icecreams, beverages etc. It finds use in the manufacture of wood stains and colouration of paper & mulch. It is used as a pond dye formulated with other dyes for aquatic plant growth control. A special grade with neglible salt contents is used for inkjet inks. Acid blue 9 is used in semi-permanent hair dye formulations at a maximum concentration of 0.5%.

Acid Blue 9 (Tech)
C.I No	:	42090
CAS No	:	3844 - 45 -9
Commercial Name	:	Acid Blue FCF
Type of Dye	:	Acid Dye
Chemical Class	:	Triphenylmethane
Description	:	Bluish Powder
Hue	:	Bright Greenish Blue
Solubility gpl at RT	:	200 - 225
Insoulubles %	:	0.1- 0.2
pH of 2.0 % Soln	:	6.0 - 7.0
Strength - Reflectance	:	100 +/ - 2 %
dE	:	0.5 +/ - 0.2
Wavelength of Max. Absorption nm	:	630
Foaming	:	Nil
Dusting Property	:	Dedusted
Moisturer content %	:	5- 6
Heavy Metals -- Lead ppm	:	< 10
Arsenic ppm	:	< 03
Chromium ppm	:	<10
Manganese ppm	:	<50
Dischargeability	:	Good
Uses ---- Dyeing of Textiles	:	Wool, Silk
Non- Textiles	:	Paper, Ink, Wood Stain

Acid Blue 9 (Purified)
C.I No	:	42090
CAS No	:	3844 - 45 -9
Commercial Name	:	Acid Blue FCF
Type of Dye	:	Acid Dye
Chemical Class	:	Triphenylmethane
Description	:	Bluish Powder
Hue	:	Bright Greenish Blue
Solubility gpl at RT	:	240 - 250
Insoulubles %	:	0.1- 0.2
pH of 2.0 % Soln	:	6.0 - 7.0
Strength - Reflectance	:	100 +/ - 2 %
dE	:	0.5 +/ - 0.2
Dye Content %	:	87 - 91
Wavelength of Max. Absorption nm	:	630
Foaming	:	Nil
Dusting Property	:	Dedusted
Moisturer content %	:	5- 6
Heavy Metals -- Lead ppm	:	< 10
Arsenic ppm	:	< 03
Chromium ppm	:	<10
Manganese ppm	:	<50
Dischargeability	:	Good
Uses ---- Dyeing of Textiles	:	Wool, Silk
Non- Textiles	:	Paper, Ink, Wood Stain

Acid Blue 9 (Liquid )- 50 %
C.I No	:	42090
CAS No	:	3844-45-9
Commercial Name	:	Acid Blue FCF (Liquid) – 50 %
Type of Dye	:	Acid Dyes
Chemical Class	:	Triphenymethane
Description	:	Bluish Powder
Hue	:	Bright Greenish Blue
Solubility	:	400 gpl (at RT)
Insolubles	:	0.2% Max
pH of 2.0% Solution	:	5.0 - 6.0
Strength - Reflectance	:	100 +- 2%
Strength - dE	:	0.5 +- 0.2
Dye Content	:	50 %
Wavelength of max	:	630 nm
Heavy Metals Lead	:	<10
Heavy Metals Arsenic	:	<03
Heavy Metals Chromium	:	< 10
Heavy Metals Maganese	:	< 50
Dischargeability	:	Good
Uses Textiles	:	For Dyeing of Wool, Silk
Uses Non Textiles	:	Paper, Ink, Wood Stains.

Acid Blue 9 (Liquid )- 35 %
C.I No	:	42090
CAS No	:	3844-45-9
Commercial Name	:	Acid Blue FCF (Liquid) – 35 %
Type of Dye	:	Acid Dyes
Chemical Class	:	Triphenymethane
Description	:	Bluish Powder
Hue	:	Bright Greenish Blue
Solubility	:	400 gpl (at RT)
Insolubles	:	0.2% Max
pH of 2.0% Solution	:	5.0 - 6.0
Strength - Reflectance	:	100 +- 2%
dE	:	0.5 +- 0.2
Dye Content %	:	35 %
Wavelength of max	:	630 nm
Heavy Metals Lead	:	<10
Heavy Metals Arsenic	:	<03
Heavy Metals Arsenic	:	<10
Heavy Metals Maganese	:	<50
Dischargeability	:	Good
Uses Textiles	:	For Dyeing of Wool, Silk
Uses Non Textiles	:	Paper, Ink, Wood Stains.

Acid Blue 9 - R/O
Chemical Class	:	Tri Phenyl Methane
C.I. No	:	42090
CAS Number	:	3844-45-9
HUE : Day Light	:	Bright Greenish Blue
Dye Content	:	Min. 93 %
Bulk Density	:	0.50
PH of 2% Solution	:	6.9 at Room Temperature
Solubility	:	280 gms/ litre
Insolubles	:	0.01 % max.
Sodium Chloride as NaCl	:	<0.15 %
Sodium Sulfate as Na2SO4	:	0.50 % max.
Calcium	:	< 50 ppm
Chromium	:	< 0.1 ppm
Iron	:	0.01 %