2,2,4-Trimethylpentane
Also known as: 2, 2, 4-Trimethylpentane, 2,2,4-TRIMETHYL-[1,4,2]OXAZASILINANE, 2,2,4-trimethyl-pentane, 2,4,4-Trimethylpentane, ASTM D-471 fuel A, EINECS 208-759-1, Isobutyltrimethylmethane, Isooctane, MFCD00008943, Pentane, 2,2,4-trimethyl-, Pentane,2,2,4-trimethyl, iso-octane, isooctane, trimethyl isobutyl methane
2,2,4-Trimethylpentane (CAS 540-84-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H18 and a molecular weight of 114.229 g/mol. Key properties include a melting point of -107 °C, a boiling point of 98.8±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -7.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 540-84-1
- Jingsj CID
- J-10342-0
- Molecular Formula
- C8H18
- Molecular Weight
- 114.229 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -107 °C |
|---|---|
| Boiling Point | 98.8±7.0 °C at 760 mmHg |
| Density | 0.7±0.1 g/cm3 |
| Flash Point | -7.8±0.0 °C |
| Exact Mass | 114.140854 |
| LogP | 4.46 |
| Additional Property | 3.9 (vs air) |
| Vapor Pressure | 45.2±0.1 mmHg at 25°C |
| Refractive Index | 1.400 |
| Additional Property | INSOLUBLE |
| Additional Property | -107.52℃ |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H304
- H315 — Causes skin irritation
- H336 — May cause drowsiness or dizziness
- H410 — Very toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of 2,2,4-Trimethylpentane?
The CAS number of 2,2,4-Trimethylpentane is 540-84-1.
What are the molecular formula and molecular weight of 2,2,4-Trimethylpentane?
2,2,4-Trimethylpentane has molecular formula C8H18 and molecular weight 114.229 g/mol.
Is 2,2,4-Trimethylpentane hazardous?
2,2,4-Trimethylpentane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H315 — Causes skin irritation.
What are the upstream and downstream products of 2,2,4-Trimethylpentane?
For 2,2,4-Trimethylpentane, Upstream Products: 2,4,4-Trimethylpent-1-ene, Isobutane Residual Solvent Standard, Isobutylene; Downstream Products: Isobutane Residual Solvent Standard, 1,2,4,5-Tetramethylbenzene, 1,2,3-Trimethylbenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2,4-Trimethylpentane (CAS 540-84-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10342-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.