4-Ethynyl-1,2-dimethoxybenzene
Also known as: 1,2-Dimethoxy-4-ethynylbenzene, 1-Ethynyl-3,4-dimethoxybenzene, 3,4-Dimethoxyphenylacetylene, 3',4'-Dimethoxyphenylacetylene, (3,4-Dimethoxyphenyl)ethyne, Benzene, 4-ethynyl-1,2-dimethoxy-
4-Ethynyl-1,2-dimethoxybenzene (CAS 4302-52-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H10O2 and a molecular weight of 162.185 g/mol. Key properties include a melting point of 76℃, a boiling point of 234.9±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 88.1±24.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4302-52-7
- Jingsj CID
- J-1521732-0
- Molecular Formula
- C10H10O2
- Molecular Weight
- 162.185 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 76℃ |
|---|---|
| Boiling Point | 234.9±30.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 88.1±24.1 °C |
| Exact Mass | 162.068085 |
| PSA | 18.46000 |
| LogP | 2.14 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.523 |
| Storage Conditions | 2-8°C |
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 4-Ethynyl-1,2-dimethoxybenzene?
The CAS number of 4-Ethynyl-1,2-dimethoxybenzene is 4302-52-7.
What are the molecular formula and molecular weight of 4-Ethynyl-1,2-dimethoxybenzene?
4-Ethynyl-1,2-dimethoxybenzene has molecular formula C10H10O2 and molecular weight 162.185 g/mol.
What are the upstream and downstream products of 4-Ethynyl-1,2-dimethoxybenzene?
For 4-Ethynyl-1,2-dimethoxybenzene, Upstream Products: Dimethyl (1-diazo-2-oxopropyl)phosphonate, Veratraldehyde, 4-Iodo-1,2-dimethoxybenzene; Downstream Products: (R)-(+)-Tetrahydropapaverine, (S)-(-)-Tetrahydropapaverine, 3',4'-dimethoxyflavone.
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-Ethynyl-1,2-dimethoxybenzene (CAS 4302-52-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521732-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.