2-(Chloromethyl)tetrahydropyran

2-(氯甲基)四氢吡喃

Also known as: 2-(Chloromethyl)tetrahydro-2H-pyran, 2-(Chloromethyl)oxane, 2-Tetrahydropyranylmethyl chloride, Tetrahydro-2H-pyran-2-ylmethyl chloride, (Tetrahydro-2H-pyran-2-yl)methyl chloride, TETRAHYDROPYRAN-2-METHYL CHLORIDE, TETRAHYDROPYRAN-2-METHYLENE-CHLORIDE

2-(Chloromethyl)tetrahydropyran (CAS 18420-41-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H11ClO and a molecular weight of 134.60400 g/mol. It is also known as 2-(Chloromethyl)tetrahydro-2H-pyran, 2-(Chloromethyl)oxane and 2-Tetrahydropyranylmethyl chloride. Key properties include a boiling point of 53-54 °C12 mm Hg(lit.), a density of 1.075 g/mL at 25 °C(lit.) and a flash point of 131 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18420-41-2
Jingsj CID: J-34607-0
Molecular Formula: C₆H₁₁ClO
Chinese Name: 2-(氯甲基)四氢吡喃
Molecular Weight: 134.60400 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	53-54 °C12 mm Hg(lit.)
Density	1.075 g/mL at 25 °C(lit.)
Flash Point	131 °F

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(Chloromethyl)tetrahydropyran?

The CAS number of 2-(Chloromethyl)tetrahydropyran is 18420-41-2.

What are the molecular formula and molecular weight of 2-(Chloromethyl)tetrahydropyran?

2-(Chloromethyl)tetrahydropyran has molecular formula C6H11ClO and molecular weight 134.60400 g/mol.

Is 2-(Chloromethyl)tetrahydropyran hazardous?

2-(Chloromethyl)tetrahydropyran has GHS signal word Warning.

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-(Chloromethyl)tetrahydropyran (CAS 18420-41-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34607-0 (accessed 2026-10-22).

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