7-fluoro-3,4-dihydronaphthalen-1(2H)-one
Also known as: 7-fluoro-1-tetralone, 7-fluoro-3,4-dihydro-2H-naphthalen-1-one, 7-fluoro-3,4-dihydro-1(2H)-naphthalenone, 7-fluorotetralone, 1(2H)-Naphthalenone, 7-fluoro-3,4-dihydro-
7-fluoro-3,4-dihydronaphthalen-1(2H)-one (CAS 2840-44-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9FO and a molecular weight of 164.176 g/mol. Key properties include a melting point of 61-66℃, a boiling point of 258.1±29.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 99.5±14.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2840-44-0
- Jingsj CID
- J-1398982-7
- Molecular Formula
- C10H9FO
- Molecular Weight
- 164.176 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 61-66℃ |
|---|---|
| Boiling Point | 258.1±29.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 99.5±14.5 °C |
| Exact Mass | 164.063736 |
| PSA | 17.07000 |
| LogP | 2.71 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.543 |
| Storage Conditions | 2-8℃ |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 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 7-fluoro-3,4-dihydronaphthalen-1(2H)-one?
The CAS number of 7-fluoro-3,4-dihydronaphthalen-1(2H)-one is 2840-44-0.
What are the molecular formula and molecular weight of 7-fluoro-3,4-dihydronaphthalen-1(2H)-one?
7-fluoro-3,4-dihydronaphthalen-1(2H)-one has molecular formula C10H9FO and molecular weight 164.176 g/mol.
Is 7-fluoro-3,4-dihydronaphthalen-1(2H)-one hazardous?
7-fluoro-3,4-dihydronaphthalen-1(2H)-one has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 7-fluoro-3,4-dihydronaphthalen-1(2H)-one?
For 7-fluoro-3,4-dihydronaphthalen-1(2H)-one, Upstream Products: 4-(4-Fluorophenyl)butyric acid, 7-Amino-1-tetralone, Pyridine hydrofluoride; Downstream Products: 1,4-Naphthoquinone, 7-Fluoro-2-hydroxynaphthalene-1,4-dione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-fluoro-3,4-dihydronaphthalen-1(2H)-one (CAS 2840-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398982-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.