2,9-Dimethyl-5-decyne
2,9-二甲基-5-癸炔
Also known as: 1,2-Diisoamylacetylene, 2 9-DIMETHYL-5-DECYNE 95+%, 2,4,4',5-TETRACHLOROBIPHENYL, 2,9-DIMETHYL-5-DECYNE, 2,9-Dimethyl-5-decyne >, 2,9-Dimethyl-dec-5-in, 2,9-Dimethyldec-5-yne, 2,9-dimethyl-dec-5-yne, 2,9-dimethyldec-5-yne, 5-Decyne, 2,9-dimethyl-, 5-Decyne,2,9-dimethyl, 5-decyne,2,9-dimethyl-, Diisoamylacetylen, RCFYJIGZQAOTFV-UHFFFAOYSA, TIMTEC-BB SBB008771, diisopentylacetylene, dimethyldecyne
2,9-Dimethyl-5-decyne (CAS 19550-56-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H22 and a molecular weight of 166.303 g/mol. It is also known as 1,2-Diisoamylacetylene, 2 9-DIMETHYL-5-DECYNE 95+% and 2,4,4',5-TETRACHLOROBIPHENYL. Key properties include a boiling point of 197.4±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 65.2±12.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19550-56-2
- Jingsj CID
- J-27195-4
- Molecular Formula
- C12H22
- Chinese Name
- 2,9-二甲基-5-癸炔
- Molecular Weight
- 166.303 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 197.4±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 65.2±12.6 °C |
Frequently Asked Questions
What is the CAS number of 2,9-Dimethyl-5-decyne?
The CAS number of 2,9-Dimethyl-5-decyne is 19550-56-2.
What are the molecular formula and molecular weight of 2,9-Dimethyl-5-decyne?
2,9-Dimethyl-5-decyne has molecular formula C12H22 and molecular weight 166.303 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,9-Dimethyl-5-decyne (CAS 19550-56-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27195-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.