Methyl Orange Solution CAS #: 547-58-0

Synonyms Sodium 4-(4-dimethylaminophenylazo)benzenesulphonate; 4-[[(4-Dimethylamino)phenyl]azo]benzenesulfonic Acid Sodium Salt; benzenesulfonic acid, 4-[2-[4-(dimethylamino)phenyl]diazenyl]-, sodium salt (1:1); Acid Orange 52; methyl orange sodium salt; Orange III; Gold Orange; Eniamethyl Orange; Helianthine; Diazoben; C.I. 13025

Compound Formula: C14H14N3O3SNa Molecular Weight: 327.33 Appearance: red to orange to yellow liquid Melting Point: >300 °C Boiling Point: N/A Density: 0.97 g/mL Solubility in H2O: N/A pH: 3.0 - 4.4, pink to yellow Exact Mass: 327.065357 Monoisotopic Mass: 327.065357 Absorption: λmax505 nm

Health & Safety Information Signal Word: Warning Hazard Statements: H226 Hazard Codes: N/A Risk Codes: N/A Safety Statements: N/A RTECS Number: N/A Transport Information: N/A WGK Germany: 1

Chemical Identifiers Linear Formula: C14H14N3O3SNa Pubchem CID: 23673835 MDL Number: MFCD00007502 EC No.: 208-925-3 IUPAC Name: sodium; 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Beilstein/Reaxys No.: 4732884 SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+] InchI Identifier: InChI=1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1 InchI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M