Quick Search
CAS Number: 6359-98-4
EINECS Number: 228-819-0
Yellow 2G is a food colouring denoted by E number E107 with the Colour Index CI18965.
Yellow 2G has the appearance of a yellow powder, and Yellow 2G is soluble in water.
Yellow 2G is a synthetic yellow azo dye.
Yellow 2G is not listed by the UK's Food Standards Agency among EU approved food additives.
Its use is also banned in Austria, Japan, Norway, Sweden, Switzerland and the United States
Yellow 2G is a synthetic yellow azo dye.
Yellow 2G is used for food colouring.
Yellow 2G appears to cause allergic or intolerant reactions, particularly amongst those with an aspirin intolerance and asthma sufferers.
Yellow 2G is one of the colours that the Hyperactive Children's Support Group recommends be eliminated from the diet of children.
Appearance: Yellow powder
InChI: 1S/C16H12Cl2N4O7S2/c1-8-15(20-19-9-2-4-10(5-3-9)30(24,25)26)16(23)22(21-8)13-6-12(18)14(7-11(13)17)31(27,28)29/h2-7,15H,1H3,(H,24,25,26)(H,27,28,29)/p-2/b20-19+
InChIKey: DWYWPBYWDAZKNX-FMQUCBEESA-L
Molar Mass: 551.29 g/mol
Molecular Formula: C16H10Cl2N4Na2O7S2
Solubility: Soluble
Synonyms: Benzenesulfonic acid,2,5-dichloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[2-(4-sulfophenyl)diazenyl]-1H-pyrazol-1-yl]-,sodium salt;Lissamine Fast Yellow;C.I. Acid Yellow 17;C.I. 18965;Light Fast Yellow 2G;C.I. Food Yellow 5;Acid Leather Yellow 2GL;Erio Flavine SX;Fenalan Yellow G;Erio Flavine 3G;Kayacyl Yellow GG;Yellow 2G
Yellow 2G, also known as C.I. Acid Yellow 17, Lissamine Fast Yellow, and C.I. 18965, is a colourant in food denoted by E number E107.
Yellow 2G has the appearance of a yellow powder, soluble in water.
Yellow 2G is a synthetic coal tar and yellow azo dye.
Yellow 2G appears to cause allergic or anal rash reactions, particularly amongst those with an aspirin intolerance and asthma sufferers.
Yellow 2G is one of the colours that the Hyperactive Children's Support Group recommends be eliminated from the diet of children.
Currently only the UK in the European Union uses this dye and the EU is proposing a total ban.
Its use is banned in Austria, Japan, Norway, Sweden, Switzerland and the United States
Yellow 2G is an acid dye that has an acid yellow colour index of 17 and is characterised by levelling and light fastness properties at various depths with good build-up and west fastness features.
Yellow 2G is used in inks and pigments.
Being a well-established organisation, we are engaged in offering a distinguished range of Acid Yellow 2g Dyes.
1. Colourant - Pigments or dyes that are added in order to change or enhance the colour.
Yellow 2G is a food colouring with an unapproved E number (E107).
Yellow 2G has the appearance of a yellow powder, and Yellow 2G is soluble in water. Yellow 2G is a synthetic yellow azo dye.
solvent yellow 114 is mainly suited for engineering plastics and spinning dyeing, its application as the table below
Properties and Applications:
brilliant yellow.
Yellow powder.
Soluble in water is green light yellow, slightly soluble in ethanol and acetone, insoluble in other organic solvents.
The strong sulfuric acid for green light yellow, it will be diluted don’t generate precipitation;
In a red light yellow nitric acid.
Its water solution with hydrochloric acid discoloration;
Add sodium hydroxide solution almost discoloration.
Its water solution and carved white piece of bleaching, but in the air oxidation, solution and show red light purple.
In dyeing copper and iron ion colour and lustre is a little red and dark, discharge the gender is good.
Mainly used for wool in strong acid dye in the bath dyeing, silk dyeing in acetic acid bath, polyamide fibre dyeing in formic acid dye bath.
This product can be directly on the wool fabric printing, also can dye leather, and can be made into colour which.
But on paper surface shading can also be used in paint, medicine and cosmetics of shading.
These gorgeous powder colours are a must have for all things decorative!
Not only do they look amazing but the colour lasts from the moment you put it on your cake to the very last bite.
The versatile product means you can brush it straight onto edible mediums or mix it into a paint using alcohol.
The different ways to create beautiful designs just never stop.
The durable storage pots also mean that you don’t need to worry about any spillages.
If (we mean when) you buy more the flat lids on the pots mean you can stack all your favourite lustre colours in one place.
With the vast amount of colours on offer you will be spoilt for choice!
The colours are not only 100% edible but also free of any artificial colours and preservatives. Make your treats magical with these!
yellow 2G dye is water-soluble dye containing acidic groups. Acid Light Yellow 2G is characterised by complete chromatogram and bright colour
They are mainly used for dyeing and printing of wool, silk and other protein fibres and nylon fibres.
Acid Light Yellow 2G can also be used for colouring leather, paper, cosmetics and ink
Yellow 2G Specification
Online Service
» Acid Dyes Name: Acid light yellow 2G,Acid Yellow Brilliant 2G
» Colour Index: C1 Acid yellow 17
» CAS No.: 6359-89-41
» Shade: Bright yellow
» Usage: Wool Fibres Dyestuffs, Leather Dyestuffs, Paper Dyestuffs, Silk Dyestuffs
Yellow 2G Chemical Property
Light yellow powder Soluble in water, the water solution is yellow with green shade After adding hydrochloric, acid or sodium hydroxide, the water solution colour will not change After adding carving powder, which can make its decolonization, but it is oxidised in the air and become purple with red shade.
Yellow 2G is slightly soluble in ethanol and acetone, but insoluble in other organic solvents.
Yellow 2G is yellow with green shade in concentrated sulfuric acid, but it has no change after dilution.
Yellow 2G is a yellow colour with red shade in concentrated nitric acid. When copper and iron ions are encountered in dyeing, the colour is slightly red and dark
Yellow 2G Usage
Yellow 2G is suitable for printing wool, silk, nylon and wool and silk fabrics Yellow 2G has highest level dyeing properties and bright colour.
Yellow 2G can also be mixed with acid red BG and acid blue PFN to dye vanous light to medium colours, and with acid lake blue V or acid lake blue A to dye bright fruit green and emerald green.
Yellow 2G is also used for colouring leather, paper and aluminium electrodes.
About Yellow 2G
Helpful information
Yellow 2G is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 to < 100 tonnes per annum.
Yellow 2G is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Consumer Uses
Yellow 2G is used in the following products: air care products, biocides (e.g. disinfectants, pest control products), fertilisers, plant protection products, washing & cleaning products and polishes and waxes. Other release to the environment of Yellow 2G is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use as processing aid.
Article service life
Release to the environment of Yellow 2G can occur from industrial use: industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal).
Other release to the environment of Yellow 2G is likely to occur from: indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment) and outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials).
Yellow 2G can be found in products with material based on: fabrics, textiles and apparel (e.g. clothing, mattress, curtains or carpets, textile toys), leather (e.g. gloves, shoes, purses, furniture) and paper (e.g. tissues, feminine hygiene products, nappies, books, magazines, wallpaper).
Widespread uses by professional workers
Yellow 2G is used in the following products: plant protection products and textile treatment products and dyes.
Yellow 2G is used in the following areas: agriculture, forestry and fishing.
Yellow 2G is used for the manufacture of: textile, leather or fur.
Other releases to the environment of Yellow 2G are likely to occur from: outdoor use as processing aid and indoor use.
Formulation or re-packing
Yellow 2G is used in the following products: leather treatment products, paper chemicals and dyes, textile treatment products and dyes, inks and toners, polymers and washing & cleaning products.
Release to the environment of Yellow 2G can occur from industrial use: formulation of mixtures and formulation in materials.
Uses at industrial sites
Yellow 2G is used in the following products: paper chemicals and dyes, textile treatment products and dyes, polymers, inks and toners and leather treatment products.
Yellow 2G is used in the following areas: printing and recorded media reproduction.
Yellow 2G is used for the manufacture of: textile, leather or fur, pulp, paper and paper products, wood and wood products and plastic products.
Release to the environment of Yellow 2G can occur from industrial use: in the production of articles and in processing aids at industrial sites.
Manufacture
Release to the environment of Yellow 2G can occur from industrial use: manufacturing of the substance.
IUPAC NAMES:
Disodium 2,5-dichloro-4-[3-methyl-5-oxo-4-(4-sulfonatophenyl)diazenyl-4H-pyrazol-1-yl]benzenesulfonate
2,5-dichloro-4-[3-methyl-5-oxo-4-[(4-sulfophenyl)diazenyl]-4H-pyrazol-1-yl]benzenesulfonic acid; sodium
Acid Yellow 17
C.I. Acid Yellow 17
disodium 2,5-dichloro-4-(3-methyl-5-oxo-4-((4-sulfonatophenyl)diazenyl)-4H-pyrazol-1-yl)benzenesulfonate
Disodium 2,5-dichloro-4-(5-hydroxy-3-methyl-4-(sulphophenylazo)pyrazol-1-yl)benzenesulphonate
disodium 2,5-dichloro-4-(5-hydroxy-3-methyl-4-(sulphophenylazo)pyrazol-1-yl)benzenesulphonate
disodium 2,5-dichloro-4-[3-methyl-5-oxo-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazol-1-yl]benzenesulfonate
disodium 2,5-dichloro-4-[3-methyl-5-oxo-4-[(4-sulfonatophenyl)diazenyl]-diazenyl]-
disodium 2,5-dichloro-4-{3-methyl-5-oxo-4-[(E)-(4-sulfonatophenyl)diazenyl]-4,5-dihydro-1H-pyrazol-1-yl}benzenesulfonate
disodium 2,5-dichloro-4-{3-methyl-5-oxo-4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]-4,5-dihydro-1H-pyrazol-1-yl}benzene-1-sulfonate
disodium 2-{[1-(2,5-dichloro-4-sulfophenyl)-3-methyl-5-oxido-1H-pyrazol-4-yl]diazenyl}benzenesulfonate
sodium (E)-2,5-dichloro-4-(5-hydroxy-3-methyl-4-((4-sulfonatophenyl)diazenyl)-1H-pyrazol-1-yl)benzenesulfonate
SYNONYMS:
Yellow 2G
25739-65-5
2,5-dichloro-4-[3-methyl-5-oxo-4-[(4-sulfophenyl)diazenyl]-4H-pyrazol-1-yl]benzenesulfonic acid
Acid Leather Yellow 2GL
Benzenesulfonic acid, 2,5-dichloro-4-(4,5-dihydro-3-methyl-5-oxo-4-((4-sulfophenyl)azo)-1H-pyrazol-1-yl)-
Benzenesulfonic acid, 2,5-dichloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[(4-sulfophenyl)azo]-1H-pyrazol-1-yl]-
NSC324981
NSC-324981
C.I. 18965
Benzenesulfonic acid, 2,5-dichloro-4-(4,5-dihydro-3-methyl-5-oxo-4-(2-(4-sulfophenyl)diazenyl)-1H-pyrazol-1-yl)-
Benzenesulfonic acid, 2,5-dichloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[2-(4-sulfophenyl)diazenyl]-1H-pyrazol-1-yl]-
SCHEMBL9112323
DTXSID0048000
SCHEMBL23064842
C.I. Acid Yellow 17, parent
2,5-Dichloro-4-[[4,5-dihydro-3-methyl-5-oxo-4-[(4-sulfophenyl)azo]-1H-pyrazol]-1-yl]benzenesulfonic acid
2,5-dichloro-4-[3-methyl-5-oxo-4-[(E)-(4-sulfophenyl)azo]-4H-pyrazol-1-yl]benzenesulfonic acid
Benzenesulfonic acid, 2,5-dichloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[(E)-(4-sulfophenyl)azo]-1H-pyrazol-1-yl]-
2,5-Dichloro-4-[[4,5-dihydro-3-methyl-5-oxo-4-[(4-sulfophenyl)azo]-1H-pyrazol]-1-yl]benzenesulfonic acid
yellow 2G
Benzenesulfonic acid, 2,5-dichloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[2-(4-sulfophenyl)diazenyl]-1H-pyrazol-1-yl]-
