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Acid Yellow 23

CAS No.1934-21-0
Chemical Name:Acid Yellow 23
Synonyms:y-4;E102;NPY4R;PPYR1;c.i.640;l-gelb2;CI 19140;YELLOW 5;TARTAZINE;Tartrazin
Molecular Formula:C16H9N4Na3O9S2
Formula Weight:534.36
MOL File:1934-21-0.mol
Acid Yellow 23 Property
mp : 300 °C
storage temp. : -20°C
Colour Index : 19140
Water Solubility : 260 g/L (30 ºC)
Sensitive : Hygroscopic
Merck : 14,9072
Stability:: Stable. Hygroscopic. Incompatible with strong oxidizing agents.
EPA Substance Registry System: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)- 4-[(4-sulfophenyl)azo]-, trisodium salt(1934-21-0)
Hazard Codes : Xn
Risk Statements : 42/43
Safety Statements : 22-36/37-45-24/25
WGK Germany : 1
RTECS : UQ6400000
Hazardous Substances Data: 1934-21-0(Hazardous Substances Data)

Acid Yellow 23 Chemical Properties,Usage,Production

Chemical Properties
Deep yellow powder
As a dye for wool and silks; as colorant in food, drugs, and cosmetics. In biochemistry as an adsorption-elution indicator for chloride estimations. Tartrazine (otherwise known as E number E102, C.I. 19140, or FD&C Yellow 5) is a synthetic lemon yellow azo dye used as a food coloring. Tartrazine appears to cause the most allergic and intolerance reactions of all the azo dyes, particularly among as thmatics and those with an aspirin intolerance.
Acid Yellow 23 Preparation Products And Raw materials
Raw materials
SODIUM DICHROMATE Disodium hydrogenorthophosphate 4-Hydrazinobenzenesulfonic acid Sulfanilic acid Sodium dichromate dihydrate Sodium phosphite Congo red paper Sodium chloride Phenolphthalein COBALT(III) OXIDE BLACK 4-Amino-benzenesulfonic acid monosodium salt Basic Orange 2 Lead dinitrate 5-pyrrazolone SODIUM DIHYDROXYTARTRATE SODIUM SULFITE HEPTAHYDRATE Water D(-)-Tartaric acid Sodium chromate tetrahydrate Nitric acid Sodium chromate Aluminium sulfate Sodium carbonate Lead
Preparation Products
Various color alkyd primer Various color amino baking enamel A04-9 Food Yellow 4:1 Edible synthetic dye milk chocolate brown
Acid Yellow 23 Suppliers      Global( 177)Suppliers     
Codow Chemical Co.,Ltd. +86-20-38056109 / 3892 1903+86-20-6261 18471 55
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1934-21-0(Acid Yellow 23)Related Search:
Taurine Phenylacetone Quinoline Yellow Acid Yellow 23 p-Toluenesulfonic acid Sodium citrate 2,2'-Azobis(2-methylpropionitrile) 4,5-dihydro-5-oxo-1-(4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3-carboxylic acid 4-Hydrazinobenzenesulfonic acid 4-ACETAMIDOBENZENESULFINIC ACID SODIUM SALT 4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid 4-Hydrazinobenzenesulfonic acid hemihydrate Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate 5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid 1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone aquashade 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Citric acid
CI NO 19140 CI ACID YELLOW 23 CI 19140 E102 LAKE TARTRAZINE KITON YELLOW T HYDRAZINE YELLOW FOOD YELLOW NO 4 FD AND C YELLOW 5 FD AND C YELLOW 5 LAKE FD AND C YELLOW NO 5 FILTER YELLOW ACID YELLOW T ACID YELLOW 23 3-CARBOXY-5-HYDROXY-1-P-SULFOPHENYL-4-P-SULFOPHENYLAZOPYRAZOLE TRISODIUM SALT 5-HYDROXY-1-(P-SULFOPHENYL)-4-[(P-SULFOPHENYL)AZO]PYRAZOLE-3-CARBOXYLIC ACID TRISODIUM SALT 1934-21-0 TARTRAZINE O TARTRAZINE TARTAZINE WOOL YELLOW YELLOW 5 Food Colors by Food Sanitation Law in Japan 1310yellow 1409yellow 1H-Pyrazole-3-carboxylicacid,4,5-dihydro-5-oxo-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-,trisodiumsalt 1h-pyrazole-3-carboxylicacid,4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfop 5-hydroxy-1-(p-sulfophenyl)-4-(p-sulfophenyl)azo-pyrazole-3-carboxylicaci a.f.yellowno.4 abcoltartrazine acidleatheryellowt acilanyellowgg airedaleyellowt aizentartrazine amacidyellowt atultartrazine bucacidtartrazine c.i.640 c.i.acidyellow23(tartrazine) c.i.acidyellow23,trisodiumsalt C.I.Foodyellow4 C.I.Foodyellow4(19140) calcocidyellowmcg calcocidyellowxx canacerttartrazine certicoltartrazolyellows cilefayellowt curonfastyellow5g dandcyellowno.5 dolkwaltartrazine dyefdandcyellowno.5 edicolsupratartrazinen eggyellowa eriotartrazine eurocerttartrazine FD&CYellowNo.5 fd&cyellowno.5tartrazine fenazoyellowt
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