Methyl Orange

• Synonyms:

  Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl]azo]-, sodium salt (9CI); Benzenesulfonic acid, p-[[p-(dimethylamino)phenyl]azo]-, sodium salt (8CI); Orange III (6CI); 4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt; Acid Orange 52; Albion Methyl Orange; C.I. 13025; C.I. Acid Orange 52; Diazoben; Eniamethyl Orange; Gold orange; Helianthine; Helianthine B; KCA Methyl Orange; Methyl Orange B; Methyl orange; Orange 3; Sodium 4-(dimethylamino)azobenzene-4'-sulfonate; Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulfonate; Sodium 4-[4-(dimethylamino)phenylazo]benzenesulfonate; Sodium 4'-(dimethylamino)azobenzene-4-sulfonate; Sodium p-[[p-(dimethylamino)phenyl]azo]benzenesulfonate; Sodium p-dimethylaminoazobenzenesulfonate; Tropaeolin D

• Hazard Statement:

  Toxic if swallowed; UN number: UN3143; Packing Group: III

• Smiles:

  [Na].O=S(=O)(O)C1=CC=C(N=NC2=CC=C(C=C2)N(C)C)C=C1

• Molecular Formula:

  C14 H14 N3 O3 S . Na

• Molecular Weight:

  327.33

• InChI:

  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/b16-15+;

• Additionnal Information:

  IUPAC name: sodium;4-[(E)-[4-(dimethylamino)phenyl]azo]benzenesulfonate

• Shipping Conditions:

  Room Temperature

• CAS Number:

  547-58-0