6-Chloro-3,4-dihydro-2(1H)-naphthalenone

6-氯-3,4-二氢-2(1H)-萘酮

Also known as: 6-Chloro-2-tetralone, 6-Chloro-3,4-dihydronaphthalen-2(1H)-one, 6-Chlorotetralin-2-one, 6-chloro-1,2,3,4-tetrahydronaphthalen-2-one, 6-chloro-3,4-dihydro-1H-naphthalen-2-one, 2(1H)-Naphthalenone, 6-chloro-3,4-dihydro-

6-Chloro-3,4-dihydro-2(1H)-naphthalenone (CAS 17556-18-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9ClO and a molecular weight of 180.631 g/mol. It is also known as 6-Chloro-2-tetralone, 6-Chloro-3,4-dihydronaphthalen-2(1H)-one and 6-Chlorotetralin-2-one. Key properties include a melting point of 60-65 °C(lit.), a boiling point of 304.6±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 145.2±19.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17556-18-2
Jingsj CID
J-23629-2
Molecular Formula
C10H9ClO
Chinese Name
6-氯-3,4-二氢-2(1H)-萘酮
Molecular Weight
180.631 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point60-65 °C(lit.)
Boiling Point304.6±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point145.2±19.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 6-Chloro-3,4-dihydro-2(1H)-naphthalenone?

The CAS number of 6-Chloro-3,4-dihydro-2(1H)-naphthalenone is 17556-18-2.

What are the molecular formula and molecular weight of 6-Chloro-3,4-dihydro-2(1H)-naphthalenone?

6-Chloro-3,4-dihydro-2(1H)-naphthalenone has molecular formula C10H9ClO and molecular weight 180.631 g/mol.

Is 6-Chloro-3,4-dihydro-2(1H)-naphthalenone hazardous?

6-Chloro-3,4-dihydro-2(1H)-naphthalenone 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. "6-Chloro-3,4-dihydro-2(1H)-naphthalenone (CAS 17556-18-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23629-2 (accessed 2026-10-22).

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