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Chemical Product CAS:1934-21-0Acid Yellow 23

CAS:1934-21-0
Acid Yellow 23

  • CAS No:

    1934-21-0
  • Name:

    Acid Yellow 23
  • Molecular Formula:

    C16H9N4Na3O9S2
  • Molecular Weight:

    534.36
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Acid Yellow 23 ( CASNO:1934-21-0 )

Identification and Related Records
Name:
Acid Yellow 23
CAS Registry number:
1934-21-0
Synonyms:
1H-Pyrazole-3-carboxylicacid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-,sodium salt (1:3)
A.F. Yellow No.4
AY 23
AtulTartrazine
B 3014
Bosovit Yellow 133E
C.I. 19140
C.I. Food Yellow 4
C.I. Solvent Yellow 57
Calcocid Yellow XX
Canacert Tartrazine
Certicol Tartrazol YellowS
Cilefa Yellow T
Cogilor Yellow 113.11
Concorde Acid Tartrazine
Curon Fast Yellow 5G
D and C Yellow No. 5
C Yellow 5
Dinacid Tartarzine Yellow PFD
Duasyn Acid Yellow XX
Duasyn Acid Yellow XX-SF-LP 413
Dyacid Yellow N
Dynacid Yellow K
E 102
EdicolSupra Tartrazine N
Egg Yellow A
ErioTartrazine
Eurocert Tartrazine
C Yellow No. 5-307008
FD and C Yellow No. 5
C Yellow5
C Yellow No.5-37009
Fenazo Yellow T
FoodYellow 4
Food dye yellow number 4
HD Tartrazine
EINECS(EC#):
217-699-5
Molecular Formula:
C16H9N4Na3O9S2
Molecular Weight:
534.36
Inchi:
InChI=1/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,21H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3
Canonical SMILES:
C1=CC(=CC=C1NN=C2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
Isomers smiles:
C1=CC(=CC=C1N/N=C/2\C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=
O)(=O)[O-].[Na+].[Na+].[Na+]
Chemical and Physical Properties
Appearance:
Deep yellow powder
Density:
1.93 g/cm3 (20 C)
Melting Point:
300℃
Water:
260 g/L (30℃)
Solubilities:
260 g/L (30 oC) in water
Stability:
Stable. Hygroscopic. Incompatible with strong oxidizing agents.
Storage temp:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Computed Properties:
Molecular Weight:534.36337 [g/mol]
Molecular Formula:C16H9N4Na3O9S2
H-Bond Donor:1
H-Bond Acceptor:12
Rotatable Bond Count:3
Tautomer Count:4
Exact Mass:533.950403
MonoIsotopic Mass:533.950403
Topological Polar Surface Area:228
Heavy Atom Count:34
Formal Charge:0
Complexity:963
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:1
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:4
Safety and Handling
Hazard Codes:
Xn
Risk Statements:
R42/43
Safety Statements:
S24/25
HazardClass:
3
PackingGroup:
I
Sensitive:
Hygroscopic
Specification:
The IUPAC name of?Acid Yellow 23 is?trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate. With the?CAS registry number 1934-21-0,?it is also named as 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-, trisodium salt;?Tartrazine.?The product's categories are?dyes and pigments; organics; analytical chemistry; food colors by food sanitation law in Japan.?It is deep yellow powder?which is soluble in water, glycerin and propylene glycol, slightly soluble in ethanol. In addition,?this chemical is?stable, hygroscopic?and?incompatible with strong oxidizing agents. it must be stored in a cool, dry place and?keep container closed when not in use.?Furthermore, Acid Yellow 23 is used as colorant for food, beverage, medicine, feed and cosmetic. The other characteristics of this product can be summarized as:?(1)#H bond acceptors: 13; (2)#H bond donors: 4; (3)#Freely Rotating Bonds: 6; (4)Rotatable Bond Count: 3; (5)Tautomer Count: 4; (6)Exact Mass: 533.950403; (7)MonoIsotopic Mass: 533.950403; (8)Topological Polar Surface Area: 229; (9)Heavy Atom Count: 34; (10)Complexity: 949; (11)Undefined Atom StereoCenter Count: 1; (12)Covalently-Bonded Unit Count: 4. Preparation of Acid Yellow 23:?It can be obtained by the condensation of?two-hydroxy-tartaric acid?and phenylhydrazine-p-sulfonic acid. Or coupling 1-(4'-sulfophenyl)-3-carboxy-5-pyrazolidone?and?sulfanilic acid which is?diazotization, then salting with?sodium chloride. Finally, we can get the product by?purification. When you are using this chemical, please be cautious about it as the following:
It may cause sensitization by inhalation and skin contact, so people should?not breathe dust and avoid contact with skin and eyes.?If you want to contact this product, you must wear suitable protective clothing and gloves.?In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)? People can use the following data to convert to the molecule structure.?
1. SMILES: c1cc(ccc1N=Nc2c([nH]n(c2=O)c3ccc(cc3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+];
2.?InChI: InChI=1/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,19H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;. The following are the toxicity data which has been tested.?

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TDLo oral 14ug/kg (0.014mg/kg) PERIPHERAL NERVE AND SENSATION: PARESTHESIS

MUSCULOSKELETAL: CHANGES IN TEETH AND SUPPORTING STRUCTURES
Annals of Allergy. Vol. 17, Pg. 719, 1959.
?
mouse LD50 oral 12750mg/kg (12750mg/kg) ? FAO Nutrition Meetings Report Series. Vol. 38B, Pg. 88, 1966.
rat LD50 intraperitoneal > 2gm/kg (2000mg/kg) ? FAO Nutrition Meetings Report Series. Vol. 38B, Pg. 88, 1966.
rat LD50 intravenous > 2gm/kg (2000mg/kg) ? Annales Pharmaceutiques Francaises. Vol. 15, Pg. 402, 1957.
Report:
The IUPAC name of?Acid Yellow 23 is?trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate. With the?CAS registry number 1934-21-0,?it is also named as 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-, trisodium salt;?Tartrazine.?The product's categories are?dyes and pigments; organics; analytical chemistry; food colors by food sanitation law in Japan.?It is deep yellow powder?which is soluble in water, glycerin and propylene glycol, slightly soluble in ethanol. In addition,?this chemical is?stable, hygroscopic?and?incompatible with strong oxidizing agents. it must be stored in a cool, dry place and?keep container closed when not in use.?Furthermore, Acid Yellow 23 is used as colorant for food, beverage, medicine, feed and cosmetic. The other characteristics of this product can be summarized as:?(1)#H bond acceptors: 13; (2)#H bond donors: 4; (3)#Freely Rotating Bonds: 6; (4)Rotatable Bond Count: 3; (5)Tautomer Count: 4; (6)Exact Mass: 533.950403; (7)MonoIsotopic Mass: 533.950403; (8)Topological Polar Surface Area: 229; (9)Heavy Atom Count: 34; (10)Complexity: 949; (11)Undefined Atom StereoCenter Count: 1; (12)Covalently-Bonded Unit Count: 4. Preparation of Acid Yellow 23:?It can be obtained by the condensation of?two-hydroxy-tartaric acid?and phenylhydrazine-p-sulfonic acid. Or coupling 1-(4'-sulfophenyl)-3-carboxy-5-pyrazolidone?and?sulfanilic acid which is?diazotization, then salting with?sodium chloride. Finally, we can get the product by?purification. When you are using this chemical, please be cautious about it as the following:
It may cause sensitization by inhalation and skin contact, so people should?not breathe dust and avoid contact with skin and eyes.?If you want to contact this product, you must wear suitable protective clothing and gloves.?In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)? People can use the following data to convert to the molecule structure.?
1. SMILES: c1cc(ccc1N=Nc2c([nH]n(c2=O)c3ccc(cc3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+];
2.?InChI: InChI=1/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,19H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;. The following are the toxicity data which has been tested.?

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TDLo oral 14ug/kg (0.014mg/kg) PERIPHERAL NERVE AND SENSATION: PARESTHESIS

MUSCULOSKELETAL: CHANGES IN TEETH AND SUPPORTING STRUCTURES
Annals of Allergy. Vol. 17, Pg. 719, 1959.
?
mouse LD50 oral 12750mg/kg (12750mg/kg) ? FAO Nutrition Meetings Report Series. Vol. 38B, Pg. 88, 1966.
rat LD50 intraperitoneal > 2gm/kg (2000mg/kg) ? FAO Nutrition Meetings Report Series. Vol. 38B, Pg. 88, 1966.
rat LD50 intravenous > 2gm/kg (2000mg/kg) ? Annales Pharmaceutiques Francaises. Vol. 15, Pg. 402, 1957.
Use and Manufacturing
Usage:
Used as a a dye for wool and silks.
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