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Methyl orange

Methyl orange

Methyl orange
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Methyl orange

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CAS No.: 547-58-0 Molecular Formula: C14H14N3NaO3S Formula Weight: 327.34 Odour: Weak, characteristic pH: 6.5 Melting Point: 300° Beilstein Reference: 4732884 Merck Reference: 14,6105 UN No.: 3143 MDL No.: MFCD00007502

Synonyms:  4-((4-(Dimethylamino)phenyl)diazenyl)benzenesulphonic acid, sodium salt, Methyl orange sodium salt, Helianthine
  • CAS Number:547-58-0
  • Formula:C₁₄H₁₄N₃NaO₃S
  • MDL Number:MFCD00007502
  • Molecular Weight:327.34 g/mol
  • Merck Index:14,6105
  • Boiling Pt:∼90 °C (1013 hPa)
  • Melting Pt:>300 °C
  • Density:∼1 g/cm³ (20 °C)
  • Flash Pt:38 °C
  • Storage Temperature:Ambient
  • EINECS:208-925-3
  • UN:3143
  • ADR:6.1,III
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