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Particulars Quinoline
Yellow
SS
Quinoline
Yellow
WS
Black
PN
Choco-
late
Brown
HT
Allura
Red
Red
2G
Oil
Yellow
XP
Fluore-
scein
Acid
Uranine
U/CONC
Colour Index No. 47000 47005 28440 20285 16035 18050 12740 45350:1 45350
Colour Index Name - Food Yellow 13 Food Black 1 Food Brown 3 Food Red 17 Food Red 10 Food Yellow
12
- -
F D & C
Ref. No.
D&C Yellow No. 11 D&C Yellow No. 10 - - D&C Red No. 40 D&C Red No. 11 -  D&C Yellow No. 7  D&C Yellow No. 8
Other Reference Solvent Yellow 33 Acid Yellow 3 - - -  Acid Red 1 Solvent Yellow
18
Solvent Yellow 94  Acid Yellow
73
C.A.S. Ref. No. 8003-22-3 95193-83-2 2519-30-4 4553-89-3 25956-17-6 3734-67-6 - 2321 07 5 518-47-80
E.E.C.
Ref. No.
-  E - 104 E - 151 E - 155 E - 129 E - 128 - - -
I.S. Ref.
No.
- - - - - - - - -
Pure dye, on
dry basis, min
95 - 97% 70 - 76% 80 - 82% 70 - 76% 85 - 90% 80 - 82% 90 - 92% Crude Crude
Volatile matter, chlorde and sulphate, max 1% 30%  20% 30% 14%  20% Insoluble in water, slightly soluble in ethanol Moisture contents : 3% Insoluble in water, benzene, chloroform etc. Soluble in dilute alkalies, boiling alcohol, ether & dilute acid Soluble in
water and sparingly
soluble in alcohol
Water insoluble matter, max NA  0.1%  0.1% 0.1% 0.1% 0.1%
Combined ether extracts, max NA 0.2%  0.2% 0.2% 0.2% 0.2%
Subsidiary dyes, max 5.0% 4.0%  10.0% 10.0% 3.0% 2.0%
Dye interme-diates, max Leuco base, max .2% 0.5%  0.5% 0.5% 0.5%  0.5%
Lead, less
than
10 ppm 10 ppm  10 ppm 10 ppm 10 ppm  10 ppm 10 ppm  10 ppm  20 ppm
Arsenic, less than 3 ppm 3 ppm  3 ppm 3 ppm 3 ppm 3 ppm 3 ppm 3 ppm 3 ppm
Mercury, less than 1 ppm 1 ppm  1 ppm 1 ppm 1 ppm 1 ppm 1 ppm 1 ppm 1 ppm
Heavy metals, less than 40 ppm 40 ppm  40 ppm 40 ppm 40 ppm 40 ppm 40 ppm 40 ppm 40 ppm
   
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