2,3,3-trimethylpentane

2,3,3-三甲基戊烷

Also known as: 2,2-THIODIACETIC ACID, 2,3,3-Trimethyl-pentan, 2,3,3-trimethyl-pentane, 4-01-00-00445, C2H5C(CH3)2CH(CH3)2, EINECS 209-207-2, Pentane, 2,3,3-trimethyl-, Pentane,2,3,3-trimethyl, Pentane,3,3-trimethyl, UNII-J62AAG7FN0

2,3,3-trimethylpentane (CAS 560-21-4) 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. It is also known as 2,2-THIODIACETIC ACID, 2,3,3-Trimethyl-pentan and 2,3,3-trimethyl-pentane. Key properties include a melting point of -100.93°C, a boiling point of 114.9±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 11.4±11.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 560-21-4
Jingsj CID: J-21198-1
Molecular Formula: C₈H₁₈
Chinese Name: 2,3,3-三甲基戊烷
Molecular Weight: 114.229 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-100.93°C
Boiling Point	114.9±7.0 °C at 760 mmHg
Density	0.7±0.1 g/cm3
Flash Point	11.4±11.7 °C

GHS Safety & Compliance

Flammable / Irritant / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,3,3-trimethylpentane?

The CAS number of 2,3,3-trimethylpentane is 560-21-4.

What are the molecular formula and molecular weight of 2,3,3-trimethylpentane?

2,3,3-trimethylpentane has molecular formula C8H18 and molecular weight 114.229 g/mol.

Is 2,3,3-trimethylpentane hazardous?

2,3,3-trimethylpentane has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,3,3-trimethylpentane (CAS 560-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21198-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.