1-Ethynyl-4-methoxy-2-methylbenzene
Also known as: 4-methoxy-2-methylphenylacetylene, 1-ethynyl-2-methyl-4-methoxybenzene, Benzene, 1-ethynyl-4-methoxy-2-methyl-, 1-Ethynyl-4-methoxy-2-methylbenzene 97, MFCD05865155
1-Ethynyl-4-methoxy-2-methylbenzene (CAS 74331-69-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H10O and a molecular weight of 146.18600 g/mol. Key properties include a melting point of 30-34ºC, a boiling point of 222.7ºC at 760 mmHg, a density of 1g/cm3 and a flash point of 94ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74331-69-4
- Jingsj CID
- J-1460401-4
- Molecular Formula
- C10H10O
- Molecular Weight
- 146.18600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 30-34ºC |
|---|---|
| Boiling Point | 222.7ºC at 760 mmHg |
| Density | 1g/cm3 |
| Flash Point | 94ºC |
| Exact Mass | 146.07300 |
| PSA | 9.23000 |
| LogP | 1.98490 |
| Refractive Index | 1.525 |
Customs & Trade Information
| HS Code | 2909309090 |
|---|---|
| Summary | 2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-Ethynyl-4-methoxy-2-methylbenzene?
The CAS number of 1-Ethynyl-4-methoxy-2-methylbenzene is 74331-69-4.
What are the molecular formula and molecular weight of 1-Ethynyl-4-methoxy-2-methylbenzene?
1-Ethynyl-4-methoxy-2-methylbenzene has molecular formula C10H10O and molecular weight 146.18600 g/mol.
What are the upstream and downstream products of 1-Ethynyl-4-methoxy-2-methylbenzene?
For 1-Ethynyl-4-methoxy-2-methylbenzene, Upstream Products: 4-methoxy-2-methylacetophenone, 1-(4-hydroxy-2-methylphenyl)ethanone; Downstream Products: 4-Methoxy-2-methylbenzoic acid, 4-methoxy-2-methylacetophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Ethynyl-4-methoxy-2-methylbenzene (CAS 74331-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1460401-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.