Empirical Formula
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 %