1-Ethynyl-3,5-dimethoxybenzene
Also known as: 3,5-Dimethoxyphenylacetylene, 3,5-Dimethoxyphenylethyne, Benzene, 1-ethynyl-3,5-dimethoxy-, Bexagliflozin Impurity 15, 1-Ethynyl-3,5-dimethoxybenzene 98% (CP), MFCD03839985
1-Ethynyl-3,5-dimethoxybenzene (CAS 171290-52-1) 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 44-48ºC(lit.), a boiling point of 264.1±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 107.3±24.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 171290-52-1
- Jingsj CID
- J-1501346-4
- 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 | 44-48ºC(lit.) |
|---|---|
| Boiling Point | 264.1±30.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 107.3±24.1 °C |
| Exact Mass | 162.068085 |
| PSA | 18.46000 |
| LogP | 2.11 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.523 |
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-3,5-dimethoxybenzene?
The CAS number of 1-Ethynyl-3,5-dimethoxybenzene is 171290-52-1.
What are the molecular formula and molecular weight of 1-Ethynyl-3,5-dimethoxybenzene?
1-Ethynyl-3,5-dimethoxybenzene has molecular formula C10H10O2 and molecular weight 162.185 g/mol.
What are the upstream and downstream products of 1-Ethynyl-3,5-dimethoxybenzene?
For 1-Ethynyl-3,5-dimethoxybenzene, Upstream Products: 1-[(Trimethylsilyl)ethynyl]-3,5-dimethoxybenzene, Tetrabromomethane, 3,5-Dimethoxybenzaldehyde; Downstream Products: 3',5'-Dimethoxyacetophenone.
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-3,5-dimethoxybenzene (CAS 171290-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501346-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.