N-(4-Methoxyphenyl)acetamide
Also known as: 4'-Methoxyacetanilide, p-Methoxyacetanilide, Methacetin, Metacetin, p-Acetanisidine, 4-Acetamidoanisole, N-(4-Methoxyphenyl)acetamide, Acetanilide, 4'-methoxy-, p-Acetaniside, 4-Acetanisidine, 4-(Acetylamino)anisole, p-Acetanisidide, 4-Acetaniside, N-Ac-4-methoxyaniline, Acetaniside, methyl ether of paracetamol
N-(4-Methoxyphenyl)acetamide (CAS 51-66-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H11NO2 and a molecular weight of 165.189 g/mol. Key properties include a melting point of 128-130 °C(lit.), a boiling point of 345.5±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 162.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51-66-1
- Jingsj CID
- J-3730-9
- Molecular Formula
- C9H11NO2
- Molecular Weight
- 165.189 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128-130 °C(lit.) |
|---|---|
| Boiling Point | 345.5±25.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 162.8±23.2 °C |
| Exact Mass | 165.078979 |
| PSA | 38.33000 |
| LogP | 1.09 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.558 |
| Additional Property | 0.42 g/100 mL (20 ºC) |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; 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 N-(4-Methoxyphenyl)acetamide?
The CAS number of N-(4-Methoxyphenyl)acetamide is 51-66-1.
What are the molecular formula and molecular weight of N-(4-Methoxyphenyl)acetamide?
N-(4-Methoxyphenyl)acetamide has molecular formula C9H11NO2 and molecular weight 165.189 g/mol.
What are the upstream and downstream products of N-(4-Methoxyphenyl)acetamide?
For N-(4-Methoxyphenyl)acetamide, Upstream Products: 4'-Methoxyacetophenone, p-Anisidine, acetic acid; Downstream Products: 5-Methoxy-2-mercaptobenzimidazole, Indometacin, 6-Hydroxyquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-(4-Methoxyphenyl)acetamide (CAS 51-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3730-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.