M

Methyl orange

IUPAC: sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate

C14H14N3NaO3S Indicators CAS 547-58-0
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Quick Reference
Formula / NotationC14H14N3NaO3S
CAS Number547-58-0
Molecular Weight327.34
Also Known Assodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate; C.I. Acid Orange 52; DTXSID60883437; RefChem:917795; DTXCID201022968; 547-58-0; Orange III; MethylOrange; Helianthine B; Gold Orange
CategoryIndicators

What is Methyl orange?

Methyl orange (C14H14N3NaO3S) is a chemical indicator. It has a molecular weight of 327.34 g/mol. Its IUPAC name is sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate.

Formula & Notation

C14H14N3NaO3S

IUPAC Name: sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate

Other Names / Synonyms: sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate; C.I. Acid Orange 52; DTXSID60883437; RefChem:917795; DTXCID201022968; 547-58-0; Orange III; MethylOrange; Helianthine B; Gold Orange

Properties & Characteristics

Molecular formula: C14H14N3NaO3S. Molecular weight: 327.34 g/mol.

Uses & Applications

Used as a pH indicator in acid-base titrations, analytical chemistry, and chemical education demonstrations.

Safety Information

May be irritant or toxic in concentrated form. Handle with care. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Methyl orange
Formula C14H14N3NaO3S
CAS Number 547-58-0
Molecular Weight 327.34
Category Indicators
Synonyms sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate; C.I. Acid Orange 52; DTXSID60883437; RefChem:917795; DTXCID201022968; 547-58-0; Orange III; MethylOrange; Helianthine B; Gold Orange

Frequently Asked Questions

Methyl orange (C14H14N3NaO3S) is a chemical indicator. It has a molecular weight of 327.34 g/mol. Its IUPAC name is sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.