Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate

Basic Information

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CAS Number

1934-21-0

Molecular Formula

C16H9N4Na3O9S2

Molecular Weight

534.4 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Laboratory Chemicals Research Chemicals Biochemical Reagents

Basic Physical Properties

Physical State

Yellow powder

Melting Point

300ºC

Boiling Point

°Cat760mmHg

Density

1.0000

Water Solubility

260G/L(30ºC)

SMILES

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C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

InChI

InChI=1S/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+;;;

InChIKey

ZLWLTDZLUVBSRJ-GLCFPVLVSA-K

LogP

log Kow = -10.17 (estimated)

Complexity

949

Safety Information

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GHS Hazard Pictograms

H317

Hazard Statement

H317 May cause an allergic skin reaction
Sensitization, Skin

Stability

Stable. Hygroscopic. Incompatible with strong oxidizing agents.

Sensitiveness

Hygroscopic

Synonyms & References

English

Yellow 5
UNII-I753WB2F1M
Tartrazine, for microscopy (Hist.)
Erio Tartrazine
Tartrazine C Extra
Xylene Fast Yellow GT
Aizen tartrazine
FD&C Yellow No. 5
C.I. Acid Yellow 23, trisodium salt
Egg Yellow A
Trisodium salt of 3-carboxy-5-hydroxy-1-sulfophenylazopyrazole
Tartrazine Lake Yellow N
trisodium 5-oxo-1-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)diazenyl-4H-pyrazole-3-carboxylate
L-Gelb 2 [German]
Acid Yellow 23 Aluminium lake
Atul Tartrazine
Tartrazine B
C.I. Food Yellow 4
E 102
Curon Fast Yellow 5G
Tartrazine Lake
Sodium 5-oxo-1-(4-sulfonatophenyl)-4-((4-sulfonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
Tartrazine, analytical standard
Dolkwal tartrazine
FD & C Yellow No. 5 tartrazine
Tartraphenine
Acid yellow 23
Tartrazine XXX
D and C Yellow No. 5
FT-0621860
EINECS 217-699-5

MDL Number

MFCD00148908

Customs Code

32129000

FAQ

What is Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0)?

Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0) is a sodium salt derivative of a pyrazole compound containing sulfonate and diazenyl functional groups. It is characterized by its high solubility in water and stability under normal conditions. The molecule serves as a key intermediate in chemical synthesis, particularly in pharmaceutical and industrial applications.

What are the main uses of Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0)?

Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0) is primarily used in pharmaceutical research for drug development, as a precursor in dye synthesis, and in industrial chemical manufacturing. It also finds applications in analytical chemistry for its reactivity and structural versatility.

Is Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0) safe?

Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0) is generally considered safe when handled properly, but it requires caution due to potential skin and eye irritation. Safety standards emphasize wearing protective gloves, goggles, and ensuring adequate ventilation. Always follow guidelines from reliable chemical safety resources.

How should Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0) be stored?

Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS: 1934-21-0) should be stored in a cool, dry place (ideally 15-25°C), protected from light. Keep in a sealed container to prevent moisture absorption and contamination. Maintain proper storage conditions to ensure stability and prolong shelf life.