Cyfluthrin

Also known as: beta-Cyfluthrin, Cyfoxylate, Baythroid, Solfac, Tempo, Bulldock, Bay-FCR 1272, BAY-VI 1704, Eulan SP, FCR 1272, Responsar, Sofac, Cyfluthrine, (RS)-α-cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

Cyfluthrin (CAS 68359-37-5) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C22H18Cl2FNO3 and a molecular weight of 434.288 g/mol. Key properties include a melting point of 60ºC, a boiling point of 496.3±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 253.9±28.7 °C. It is classified under GHS with signal word Danger and hazard statements H300, H331 — Toxic if inhaled and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 68359-37-5
Jingsj CID: J-33725-0
Molecular Formula: C₂₂H₁₈Cl₂FNO₃
Molecular Weight: 434.288 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	60ºC
Boiling Point	496.3±45.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	253.9±28.7 °C
Exact Mass	433.064789
PSA	59.32000
LogP	6.29
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.611

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

H300
H331 — Toxic if inhaled
H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information	[1]. Jin-Sung Choi,et al.Structure-activity Relationships for the Action of 11 Pyrethroid Insecticides on Rat Na v 1.8 Sodium Channels Expressed in Xenopus Oocytes.Toxicol Appl Pharmacol. 2006 Mar 15;211(3):233-44 [2]. María-Aránzazu Martínez, et al. Oxidative Stress and Related Gene Expression Effects of Cyfluthrin in Human Neuroblastoma SH-SY5Y Cells: Protective Effect of Melatonin. Environ Res. 2019 Oct;177:108579.

Additional Information

[1]. Jin-Sung Choi,et al.Structure-activity Relationships for the Action of 11 Pyrethroid Insecticides on Rat Na v 1.8 Sodium Channels Expressed in Xenopus Oocytes.Toxicol Appl Pharmacol. 2006 Mar 15;211(3):233-44 [2]. María-Aránzazu Martínez, et al. Oxidative Stress and Related Gene Expression Effects of Cyfluthrin in Human Neuroblastoma SH-SY5Y Cells: Protective Effect of Melatonin. Environ Res. 2019 Oct;177:108579.

Frequently Asked Questions

What is the CAS number of Cyfluthrin?

The CAS number of Cyfluthrin is 68359-37-5.

What are the molecular formula and molecular weight of Cyfluthrin?

Cyfluthrin has molecular formula C22H18Cl2FNO3 and molecular weight 434.288 g/mol.

Is Cyfluthrin hazardous?

Cyfluthrin has GHS signal word Danger and hazard statements H300; H331 — Toxic if inhaled; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Cyfluthrin?

For Cyfluthrin, Downstream Products: 4-Fluoro-3-phenoxybenzaldehyde, Permethric acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Cyfluthrin (CAS 68359-37-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33725-0 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.