5-fluoro-3H-1,3-benzoxazol-2-one
Also known as: 5-fluoro-2(3H)-benzoxazolone, 5-fluorobenzoxazol-2(3H)-one, 5-fluorobenzoxazolone, 2(3H)-Benzoxazolone, 5-fluoro-, 5-fluoro-1,3-benzoxazol-2(3H)-one, 5-fluoro-3H-benzooxazol-2-one
5-fluoro-3H-1,3-benzoxazol-2-one (CAS 13451-79-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H4FNO2 and a molecular weight of 153.11100 g/mol. Key properties include a melting point of 173-177ºC and a density of 1.44g/cm3. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13451-79-1
- Jingsj CID
- J-1526326-0
- Molecular Formula
- C7H4FNO2
- Molecular Weight
- 153.11100 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 173-177ºC |
|---|---|
| Density | 1.44g/cm3 |
| Exact Mass | 153.02300 |
| PSA | 46.00000 |
| LogP | 1.26020 |
| Refractive Index | 1.558 |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 5-fluoro-3H-1,3-benzoxazol-2-one?
The CAS number of 5-fluoro-3H-1,3-benzoxazol-2-one is 13451-79-1.
What are the molecular formula and molecular weight of 5-fluoro-3H-1,3-benzoxazol-2-one?
5-fluoro-3H-1,3-benzoxazol-2-one has molecular formula C7H4FNO2 and molecular weight 153.11100 g/mol.
Is 5-fluoro-3H-1,3-benzoxazol-2-one hazardous?
5-fluoro-3H-1,3-benzoxazol-2-one has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of 5-fluoro-3H-1,3-benzoxazol-2-one?
For 5-fluoro-3H-1,3-benzoxazol-2-one, Upstream Products: 2-Amino-4-fluorophenol, 1,1'-Carbonyldiimidazole, 1-(5-Fluoro-2-hydroxyphenyl)ethan-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-fluoro-3H-1,3-benzoxazol-2-one (CAS 13451-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526326-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.