Benzene,1,2-diethynyl-(9CI)
Also known as: 1,2-Diethynylbenzene - [D94231], 1,2-diethynylbenzene, 2,3-diethynylbenzene, Benzene, 1,2-diethynyl-, Benzene, 1,2-diethynyl- (9CI), Benzene, diethynyl-, Benzene,1,2-diethynyl, Diethynylbenzene, HCCC6H4CCH-o, o-Diethynylbenzene
Benzene,1,2-diethynyl-(9CI) (CAS 21792-52-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H6 and a molecular weight of 126.155 g/mol. Key properties include a boiling point of 200.3±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 62.4±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21792-52-9
- Jingsj CID
- J-1134320-7
- Molecular Formula
- C10H6
- Molecular Weight
- 126.155 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 200.3±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 62.4±16.7 °C |
| Exact Mass | 126.046951 |
| LogP | 2.58 |
| Vapor Pressure | 0.5±0.2 mmHg at 25°C |
| Refractive Index | 1.567 |
Customs & Trade Information
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Benzene,1,2-diethynyl-(9CI)?
The CAS number of Benzene,1,2-diethynyl-(9CI) is 21792-52-9.
What are the molecular formula and molecular weight of Benzene,1,2-diethynyl-(9CI)?
Benzene,1,2-diethynyl-(9CI) has molecular formula C10H6 and molecular weight 126.155 g/mol.
What are the upstream and downstream products of Benzene,1,2-diethynyl-(9CI)?
For Benzene,1,2-diethynyl-(9CI), Upstream Products: 1,2-Dibromobenzene, 1,2-Diiodobenzene, o-Phthalaldehyde; Downstream Products: N-Phenyl-1-naphthylamine, 2-(naphthalen-1-yl)aniline, 1-Iodonaphthalene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzene,1,2-diethynyl-(9CI) (CAS 21792-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1134320-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.