3,4,5-Trimethylheptane
3,4,5-三甲基庚烷
Also known as: 3,4,5-Trimethylheptan, 3,4,5-Trimethylheptane in isooctane, 3,4,5-Trimethylpentan, 3,4,5-trimethyl-heptan, 3,4,5-trimethylheptane, Heptane, 3,4,5-trimethyl-, Heptane,3,4,5-trimethyl, OR2381, d,l-3,4,5-Trimethyl-heptan, heptane,3,4,5-trimethyl-, meso-3,4,5-Trimethyl-heptan
3,4,5-Trimethylheptane (CAS 20278-89-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H22 and a molecular weight of 142.282 g/mol. It is also known as 3,4,5-Trimethylheptan, 3,4,5-Trimethylheptane in isooctane and 3,4,5-Trimethylpentan. Key properties include a boiling point of 162.2±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 44.1±11.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20278-89-1
- Jingsj CID
- J-1308671-6
- Molecular Formula
- C10H22
- Chinese Name
- 3,4,5-三甲基庚烷
- Molecular Weight
- 142.282 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 162.2±7.0 °C at 760 mmHg |
|---|---|
| Density | 0.7±0.1 g/cm3 |
| Flash Point | 44.1±11.7 °C |
Frequently Asked Questions
What is the CAS number of 3,4,5-Trimethylheptane?
The CAS number of 3,4,5-Trimethylheptane is 20278-89-1.
What are the molecular formula and molecular weight of 3,4,5-Trimethylheptane?
3,4,5-Trimethylheptane has molecular formula C10H22 and molecular weight 142.282 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,5-Trimethylheptane (CAS 20278-89-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1308671-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.