o-Anisidine
Also known as: 2-Anisidine, 2-Aminoanisole, 2-Methoxyaniline, 2-Methoxybenzenamine, o-Aminoanisole, o-Methoxyaniline, ortho-Anisidine, ortho-Methoxyaniline, 1-amino-2-methoxybenzene
o-Anisidine (CAS 90-04-0) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C7H9NO and a molecular weight of 123.152 g/mol. Key properties include a melting point of 3-6 °C(lit.), a boiling point of 225.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 98.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90-04-0
- Jingsj CID
- J-1515988-7
- Molecular Formula
- C7H9NO
- Molecular Weight
- 123.152 g/mol
- Category
- Ethers
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 3-6 °C(lit.) |
|---|---|
| Boiling Point | 225.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 98.9±0.0 °C |
| Exact Mass | 123.068413 |
| PSA | 35.25000 |
| LogP | 1.09 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.555 |
| Additional Property | 13 g/L (20 ºC) |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H341 — Suspected of causing genetic defects
- H350 — May cause cancer
Customs & Trade Information
| HS Code | 2922291000 |
|---|---|
| Summary | 2922291000 4-methoxyaniline。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of o-Anisidine?
The CAS number of o-Anisidine is 90-04-0.
What are the molecular formula and molecular weight of o-Anisidine?
o-Anisidine has molecular formula C7H9NO and molecular weight 123.152 g/mol.
Is o-Anisidine hazardous?
o-Anisidine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
What are the upstream and downstream products of o-Anisidine?
For o-Anisidine, Upstream Products: 2-Nitroanisole, 2-Bromoanisole, 2-iodoanisole; Downstream Products: Diethyl 2-(((2-methoxyphenyl)amino)methylene)malonate, 2-Methoxy-4-methylaniline, 7-Methoxyindole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "o-Anisidine (CAS 90-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515988-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.