4-Methoxy-o-phenylenediamine
Also known as: 3,4-Diaminoanisole, 4-Methoxy-1,2-benzenediamine, 4-Methoxy-1,2-diaminobenzene, 4-methoxybenzene-1,2-diamine, 1,2-Benzenediamine, 4-methoxy-, 1,2-Diamino-4-methoxybenzene, 2-Amino-4-methoxyaniline, 4-Methoxyphenylenediamine, Esomeprazole Impurity 25
4-Methoxy-o-phenylenediamine (CAS 102-51-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O and a molecular weight of 138.167 g/mol. Key properties include a melting point of 46-48°C, a boiling point of 302.4±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 161.7±16.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 102-51-2
- Jingsj CID
- J-930045-2
- Molecular Formula
- C7H10N2O
- Molecular Weight
- 138.167 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 46-48°C |
|---|---|
| Boiling Point | 302.4±22.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 161.7±16.0 °C |
| Exact Mass | 138.079315 |
| PSA | 61.27000 |
| LogP | -0.16 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.619 |
Customs & Trade Information
| HS Code | 2922299090 |
|---|---|
| Summary | 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Methoxy-o-phenylenediamine?
The CAS number of 4-Methoxy-o-phenylenediamine is 102-51-2.
What are the molecular formula and molecular weight of 4-Methoxy-o-phenylenediamine?
4-Methoxy-o-phenylenediamine has molecular formula C7H10N2O and molecular weight 138.167 g/mol.
What are the upstream and downstream products of 4-Methoxy-o-phenylenediamine?
For 4-Methoxy-o-phenylenediamine, Upstream Products: 5-Methoxy-2-nitroaniline, 3,4-Dibromoanisole, N-(4-Methoxy-2-nitrophenyl)acetamide; Downstream Products: 5-Methoxy-2-mercaptobenzimidazole, 1H-Benzimidazol-5-ol, 1,2-Diamino-3-nitrobenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methoxy-o-phenylenediamine (CAS 102-51-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-930045-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.