1-Chloro-2-methyl-2-propanol

1-氯-2-甲基-2-丙醇

Also known as: 2-Chloro-tert-butyl alcohol, Chloro-tert-butyl alcohol, 1-Chloro-2-methylpropan-2-ol, 2-Propanol, 1-chloro-2-methyl-, Isobutylene chlorohydrin

1-Chloro-2-methyl-2-propanol (CAS 558-42-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H9ClO and a molecular weight of 108.567 g/mol. It is also known as 2-Chloro-tert-butyl alcohol, Chloro-tert-butyl alcohol and 1-Chloro-2-methylpropan-2-ol. Key properties include a boiling point of 131.0±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 61.0±15.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
558-42-9
Jingsj CID
J-36165-1
Molecular Formula
C4H9ClO
Chinese Name
1-氯-2-甲基-2-丙醇
Molecular Weight
108.567 g/mol
Category
Alcohols
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point131.0±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point61.0±15.3 °C

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-Chloro-2-methyl-2-propanol?

The CAS number of 1-Chloro-2-methyl-2-propanol is 558-42-9.

What are the molecular formula and molecular weight of 1-Chloro-2-methyl-2-propanol?

1-Chloro-2-methyl-2-propanol has molecular formula C4H9ClO and molecular weight 108.567 g/mol.

Is 1-Chloro-2-methyl-2-propanol hazardous?

1-Chloro-2-methyl-2-propanol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1-Chloro-2-methyl-2-propanol (CAS 558-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36165-1 (accessed 2026-10-22).

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