Cyhalofop-butyl
Also known as: Cyhalofop-butyl, Butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propionate, Butyl (2R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propanoate, (R)-butyl 2-(4-(4-cyano-2-fluorophenoxy)phenoxy)propanoate, XDE 537, Clincher, UNII:18HGV9OC6G
Cyhalofop-butyl (CAS 122008-85-9) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C20H20FNO4 and a molecular weight of 357.375 g/mol. Key properties include a melting point of 49.5ºC, a boiling point of 449.1±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 225.4±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 122008-85-9
- Jingsj CID
- J-47598-3
- Molecular Formula
- C20H20FNO4
- Molecular Weight
- 357.375 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 49.5ºC |
|---|---|
| Boiling Point | 449.1±45.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 225.4±28.7 °C |
| Exact Mass | 357.137634 |
| PSA | 68.55000 |
| LogP | 4.40 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.551 |
| Storage Conditions | 0-6°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H400 — Very toxic to aquatic life
Activity & Biological Data
| Additional Information | [1]. P Michitte , et al. Cross-resistance to ACCase inhibitors of Lolium multiflorum, Lolium perenne and Lolium rigidum found in Chile. Commun Agric Appl Biol Sci. 2003;68(4 Pt A):397-402. |
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Customs & Trade Information
| HS Code | 2926909039 |
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Frequently Asked Questions
What is the CAS number of Cyhalofop-butyl?
The CAS number of Cyhalofop-butyl is 122008-85-9.
What are the molecular formula and molecular weight of Cyhalofop-butyl?
Cyhalofop-butyl has molecular formula C20H20FNO4 and molecular weight 357.375 g/mol.
Is Cyhalofop-butyl hazardous?
Cyhalofop-butyl has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H400 — Very toxic to aquatic life.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cyhalofop-butyl (CAS 122008-85-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47598-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.