3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one
Also known as: 3-chloro-7-hydroxy-4-methylcoumarin, 3-chloro-4-methylumbelliferone, 3-chloro-4-methyl-7-hydroxycoumarin, 2H-1-Benzopyran-2-one, 3-chloro-7-hydroxy-4-methyl-, chlorferron, Coumaphos alcohol metabolite, AKOS BBS-00008033, MFCD00006851
3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 6174-86-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H7ClO3 and a molecular weight of 210.614 g/mol. Key properties include a melting point of 240-244 °C(lit.), a boiling point of 405.8±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 199.2±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6174-86-3
- Jingsj CID
- J-23882-3
- Molecular Formula
- C10H7ClO3
- Molecular Weight
- 210.614 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 240-244 °C(lit.) |
|---|---|
| Boiling Point | 405.8±45.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 199.2±28.7 °C |
| Exact Mass | 210.008377 |
| PSA | 50.44000 |
| LogP | 2.56 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.637 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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-chloro-7-hydroxy-4-methyl-2H-chromen-2-one?
The CAS number of 3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one is 6174-86-3.
What are the molecular formula and molecular weight of 3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one?
3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one has molecular formula C10H7ClO3 and molecular weight 210.614 g/mol.
Is 3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one hazardous?
3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one?
For 3-chloro-7-hydroxy-4-methyl-2H-chromen-2-one, Upstream Products: Ethyl 2-chloroacetoacetate, Resorcinol, 4-Methylumbelliferone; Downstream Products: Coumaphos, Coumaphos-oxon, 7-(Carboxymethoxy)-3-chloro-4-methylcoumarin.
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-chloro-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 6174-86-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23882-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.