Chlorzoxazone
Also known as: 5-Chloro-2(3H)-benzoxazolone, 5-Chloro-2-benzoxazolone, 5-Chloro-2-hydroxybenzoxazole, Paraflex, Chlorzoxazon, Myoflexin, Solaxin, Biomioran, CHLORZOXANE, Pathorysin, Myoflexine
Chlorzoxazone (CAS 95-25-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNO2 and a molecular weight of 169.565 g/mol. Key properties include a melting point of 191-192 °C(lit.), a boiling point of 336.9±34.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 157.5±25.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 95-25-0
- Jingsj CID
- J-28206-8
- Molecular Formula
- C7H4ClNO2
- Molecular Weight
- 169.565 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 191-192 °C(lit.) |
|---|---|
| Boiling Point | 336.9±34.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 157.5±25.7 °C |
| Exact Mass | 168.993057 |
| PSA | 46.26000 |
| LogP | 2.29 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.674 |
| Additional Property | 0.1 g/100 mL |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Yamamura Y, et al. Comprehensive kinetic analysis and influence of reaction components for chlorzoxazone 6-hydroxylation in human liver microsomes with CYP antibodies. Xenobiotica. 2015 Apr;45(4):353-360. |
|---|
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 Chlorzoxazone?
The CAS number of Chlorzoxazone is 95-25-0.
What are the molecular formula and molecular weight of Chlorzoxazone?
Chlorzoxazone has molecular formula C7H4ClNO2 and molecular weight 169.565 g/mol.
Is Chlorzoxazone hazardous?
Chlorzoxazone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Chlorzoxazone?
For Chlorzoxazone, Downstream Products: 2-Amino-4-chlorophenol, 2-Amino-4-chloro-5-nitrophenol, 5-Chloro-2-mercaptobenzoxazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chlorzoxazone (CAS 95-25-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28206-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.