Methyl red
IUPAC: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
| Formula / Notation | C15H15N3O2 |
|---|---|
| CAS Number | 493-52-7 |
| Molecular Weight | 269.30 |
| Also Known As | 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid; 2-((4-(dimethylamino)phenyl)diazenyl)benzoic acid; 2-{[4-(dimethylamino)phenyl]diazenyl}benzoic acid; DTXSID90859408; RefChem:1060520; DTXCID70809724; 493-52-7; O-METHYL RED; C.I. Acid Red 2; Acid Red 2 |
| Category | Indicators |
What is Methyl red?
Methyl red is an azo dye consisting of benzoic acid substituted at position 2 by a 4-[(dimethylamino)phenyl]diazenyl group. It has a role as a dye. It is a member of azobenzenes, a monocarboxylic acid and a tertiary amino compound. It is a conjugate acid of a methyl red(1-).
Formula & Notation
IUPAC Name: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
Other Names / Synonyms: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid; 2-((4-(dimethylamino)phenyl)diazenyl)benzoic acid; 2-{[4-(dimethylamino)phenyl]diazenyl}benzoic acid; DTXSID90859408; RefChem:1060520; DTXCID70809724; 493-52-7; O-METHYL RED; C.I. Acid Red 2; Acid Red 2
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Methyl red is an azo dye consisting of benzoic acid substituted at position 2 by a 4-[(dimethylamino)phenyl]diazenyl group. It has a role as a dye. It is a member of azobenzenes, a monocarboxylic acid and a tertiary amino compound. It is a conjugate acid of a methyl red(1-).
Used as a pH indicator in acid-base titrations, analytical chemistry, and chemical education demonstrations.
May be irritant or toxic in concentrated form. Handle with care. Consult SDS before use.
The formula or notation for Methyl red is: C15H15N3O2