Skip to main content

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

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. 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. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17556-18-2
Jingsj CID
J-23629-3
Molecular Formula
C10H9ClO
Molecular Weight
180.631 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

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
Exact Mass180.034195
PSA17.07000
LogP2.32
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.579

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction

Customs & Trade Information

HS Code2914700090
SummaryHS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

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 and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 6-Chloro-3,4-dihydro-2(1H)-naphthalenone?

For 6-Chloro-3,4-dihydro-2(1H)-naphthalenone, Upstream Products: 4-Chlorobenzeneacetyl chloride, 4-Chlorophenylacetic acid, 6-Chloro-3,4-dihydronaphthalen-1(2H)-one; Downstream Products: D,L-2-Aminotetralin-2-carboxylic acid.

Data compiled from public chemical databases such as PubChem 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-23629-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.