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Benzenesulfonic acids and derivatives

Organosulfur compounds that consist of sulfonic acid bonded to a benzene ring. Includes compounds derived from benzenesulfonic acid.
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1

5-Amino-2-chlorotoluene-4-sulfonic Acid 98.0+%, TCI America™

CAS: 88-53-9 Molecular Formula: C7H8ClNO3S Molecular Weight (g/mol): 221.655 MDL Number: MFCD00043924 InChI Key: VYZCFAPUHSSYCC-UHFFFAOYSA-N Synonym: 4-Chloro-5-methylaniline-2-sulfonic Acid, 4-Chloro-m-toluidine-6-sulfonic Acid, 2-Amino-5-chloro-4-methylbenzenesulfonic Acid PubChem CID: 6936 IUPAC Name: 2-amino-5-chloro-4-methylbenzenesulfonic acid SMILES: CC1=CC(=C(C=C1Cl)S(=O)(=O)O)N

PubChem CID 6936
CAS 88-53-9
Molecular Weight (g/mol) 221.655
MDL Number MFCD00043924
SMILES CC1=CC(=C(C=C1Cl)S(=O)(=O)O)N
Synonym 4-Chloro-5-methylaniline-2-sulfonic Acid, 4-Chloro-m-toluidine-6-sulfonic Acid, 2-Amino-5-chloro-4-methylbenzenesulfonic Acid
IUPAC Name 2-amino-5-chloro-4-methylbenzenesulfonic acid
InChI Key VYZCFAPUHSSYCC-UHFFFAOYSA-N
Molecular Formula C7H8ClNO3S
2

Ponceau SX, TCI America™

CAS: 4548-53-2 Molecular Formula: C18H14N2Na2O7S2 Molecular Weight (g/mol): 480.417 MDL Number: MFCD00046402 InChI Key: GRRDBTDTMCTWQZ-ZAWKPCBGSA-L Synonym: ponceau sx,c.i. food red 1,ponceau sx lake,4r purple,crimson 4r,maple ponceau sx,purple 4r,food red 1,hexacol ponceau sx,fd & c red no. 4 PubChem CID: 9595288 IUPAC Name: disodium;(3E)-3-[(2,4-dimethyl-5-sulfonatophenyl)hydrazinylidene]-4-oxonaphthalene-1-sulfonate SMILES: CC1=CC(=C(C=C1NN=C2C=C(C3=CC=CC=C3C2=O)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]

PubChem CID 9595288
CAS 4548-53-2
Molecular Weight (g/mol) 480.417
MDL Number MFCD00046402
SMILES CC1=CC(=C(C=C1NN=C2C=C(C3=CC=CC=C3C2=O)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]
Synonym ponceau sx,c.i. food red 1,ponceau sx lake,4r purple,crimson 4r,maple ponceau sx,purple 4r,food red 1,hexacol ponceau sx,fd & c red no. 4
IUPAC Name disodium;(3E)-3-[(2,4-dimethyl-5-sulfonatophenyl)hydrazinylidene]-4-oxonaphthalene-1-sulfonate
InChI Key GRRDBTDTMCTWQZ-ZAWKPCBGSA-L
Molecular Formula C18H14N2Na2O7S2