توضیحات

متیل اورانژ كد 1340 كمپاني اينترچم انگلستان

Methyl orange (C.I. 13025)

indicator ACS,Reag. Ph Eur

Synonym: 4-Dimethylaminoazobenzene-4′-sulfonic acid sodium salt, Gold orange, Helianthine, Orange III, Methyl orange (C.I. 13025)

• CAS Number 547-58-0
• Empirical Formula (Hill Notation) C₁₄H₁₄N₃NaO₃S
• Molecular Weight 327.33
•  MDL number MFCD00007502
•  EC Index Number 208-925-3

• Analysis Note

  Transition range: pH 3.1 – pH 4.4pink – orange yellow
  Appearance of solution: passes test
  Loss on drying (110 °C): ≤ 5
  Transition range (according to ACS): passes test
  Sensitivity test: passes test