3-Chlorocoumarin
Also known as: 3-chlorochromen-2-one, 3-Chloro-2H-1-benzopyran-2-one, 3-Chloro-2H-chromen-2-one, NSC 54855
3-Chlorocoumarin (CAS 92-45-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H5ClO2 and a molecular weight of 180.588 g/mol. Key properties include a melting point of 121-125ºC(lit.), a boiling point of 325.4±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 175.0±20.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 92-45-5
- Jingsj CID
- J-1086144-6
- Molecular Formula
- C9H5ClO2
- Molecular Weight
- 180.588 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 121-125ºC(lit.) |
|---|---|
| Boiling Point | 325.4±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 175.0±20.0 °C |
| Exact Mass | 179.997803 |
| PSA | 30.21000 |
| LogP | 2.03 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.618 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-Chlorocoumarin?
The CAS number of 3-Chlorocoumarin is 92-45-5.
What are the molecular formula and molecular weight of 3-Chlorocoumarin?
3-Chlorocoumarin has molecular formula C9H5ClO2 and molecular weight 180.588 g/mol.
Is 3-Chlorocoumarin hazardous?
3-Chlorocoumarin has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 3-Chlorocoumarin?
For 3-Chlorocoumarin, Upstream Products: Coumarin, Salicylaldehyde, Chloroacetyl chloride; Downstream Products: Benzofuran-2-carboxylic acid, 4-Methylcoumarin, N-Methylacetanilide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chlorocoumarin (CAS 92-45-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086144-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.