FastColours LLP Info Water Sol. & Food Dyes
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APPLICATIONS FOR WATER SOLUBLE & FOOD DYES

FastColours range of water soluble are safe and easy to use.  There are many different applications for these dyes from cleaning chemicals through to soap and leak detection.  The choice of dye is determined by end use and the other chemicals.  The table below shows typical applications for each dye. Please use it to make the right choice.  If you need additional help, please use the link below:

technical@fastcolours.com

The best way to use the dyes is to make a solution.  Click here for instructions:   How to dissolve Dyes

The information shown in the table below is correct to the best of our general knowledge without guarantee or warranty.  It is the responsibility of the user to test the suitability of the products under their processing conditions.



 
Dye Colour Index Name Colour index No: Sol. in water g/l  @ 25°C pH <3  pH 3-5  pH 5-9  pH 9-11 pH >11  Soap  Reducing Agent (Acidic) Reducing Agent (Alk.)

Hydrogen Peroxide 20% Leak Detection
636 Yellow 2G Acid Yellow 17 18965 50
Ebest Yellow RNE Acid Yellow 25 18835 20
Ebest Yellow  NFG Acid Yellow 49 18640 20
Ebest Fluoresceine LTC Acid Yellow 73 45350 300
Ebest Yellow N3R Acid Orange 67 14172 40
Ebest Orange GSN Acid Orange 95 40
Ebest Orange 2GL Direct Orange 39 40215 25
D&C Red No. 33 Acid Red 33 17200 40
Ebest Rhodamine BN Acid Red 52 45100 30
Ebest Red 3B Acid Red 57 17052 10
Ebest Red ST Acid Red 80 68215 10
833 Eosine A Acid Red 87 45380 400
Ebest Red 3BN Acid Red 131 10
Ebest Red BW Acid Red 138 18073 80
Ebest Violet R Acid Violet 43 60730 20
615 Basic Fuxine Basic Violet 14 42510 50
Ebest Brilliant Blue EA Acid Blue 9 42090 60
Ebest Blue AGLC Acid Blue 25 62055 25
Ebest Sky Blue R Acid Blue 62 62045 50
Ebest Blue NBL Acid Blue 80 61585 40
Ebest Turquoise Blue 3G Acid Blue 185 50
Ebest Brilliant Blue 4R Acid Blue 277 61203 30
Ebest Turquoise Blue GL Direct Blue 86 74180 20
Ebest Green GTSC Acid Green 25 61570 30
Ebest Green 5GWN Acid Green 28 15
Bestoil Pyranine 01 Solvent Green 7 59040 300
Ebest Black AR3 Acid Black 2 50420 40
Ebest Black MR Acid Black 194 100
E102 Tartrazine Granular Food Yellow 4 19140 150
E104 Quinoline Yellow Granular Food Yellow 13 47005 200
E110 Sunset Yellow Granular Food Yellow 3 15985 80
E122 Azorubine Granular Food Red 3 14720 100
E123 Amaranth Food Red 9 16185 50
E124 Ponceau 4R Granular Food Red 7 16255 300
E127 Erythrosine Granular Food Red 14 45430 100
E129 Allura Red AC Granular Food Red 17 16035 100
E131 Patent Blue V Granular Food Blue 5 42051 50
E132 Indigotine Food Blue 2 73015 15
E133 Brilliant Blue FCF Granular Food Blue 2 42090 200
E142 Green S Food Green 4 44090 60
E151 Brilliant Black BN Granular Food Black 1 28440 50
E155 Brown HT Food Brown 3 20285 100