2-Ethynyl-1,3-dimethoxybenzene
Also known as: 1-ethynyl-2,6-dimethoxybenzene, 2,6-dimethoxyphenylacetylene, 2,6-dimethoxy-1-ethynylbenzene, 2,6-dimethoxyphenylethyne, 1,3-dimethoxy-2-ethynylbenzene, Benzene, 2-ethynyl-1,3-dimethoxy-
2-Ethynyl-1,3-dimethoxybenzene (CAS 126829-31-0) 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 boiling point of 265.1±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 108.0±24.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 126829-31-0
- Jingsj CID
- J-1356260-2
- 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
| Boiling Point | 265.1±30.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 108.0±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 2-Ethynyl-1,3-dimethoxybenzene?
The CAS number of 2-Ethynyl-1,3-dimethoxybenzene is 126829-31-0.
What are the molecular formula and molecular weight of 2-Ethynyl-1,3-dimethoxybenzene?
2-Ethynyl-1,3-dimethoxybenzene has molecular formula C10H10O2 and molecular weight 162.185 g/mol.
What are the upstream and downstream products of 2-Ethynyl-1,3-dimethoxybenzene?
For 2-Ethynyl-1,3-dimethoxybenzene, Upstream Products: 2-Iodo-1,3-dimethoxybenzene, Trimethylsilylacetylene, 2,6-dimethoxybenzaldehyde; Downstream Products: 2',6'-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. "2-Ethynyl-1,3-dimethoxybenzene (CAS 126829-31-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356260-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.