• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I A. General Reagents

Methyl Orange
scroll to previous hit
scroll to next hit

Methyl Orange CI 13025; Sodium 4′-dimethylaminoazobenzene-4-sulfonate; C14H14N3NaO3S = 327.3 (547-58-0)

Orange-yellow, crystalline powder, slightly soluble in water, practically insoluble in ethanol (96%).