Flumethrin

Also known as: (RS)-α-cyano-4-fluoro-3-phenoxybenzyl (1RS)-cis-trans-(EZ)-3-(β,4-dichlorostyryl)-2,2-dimethylcyclopropanecarboxylate, (RS)-α-cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS, (Ξ)-cyano(4-fluoro-3-phenoxyphenyl)methyl (1Ξ,3Ξ)-3-[(1Ξ)-2-chloro-2-(4-chlorophenyl)ethenyl]-2,2-dimethylcyclopropane-1-carboxylate, 1RS,3SR)-(EZ)-3-(β,4-dichlorostyryl)-2,2-dimethylcyclopropanecarboxylate, Bayticol, Bayvarol, Cyano(4-fluoro-3-phenoxyphenyl)methyl 3-[(Z)-2-chloro-2-(4-chlorophenyl)vinyl]-2,2-dimethylcyclopropanecarboxylate, Cyclopropanecarboxylic acid, 3-[(Z)-2-chloro-2-(4-chlorophenyl)ethenyl]-2,2-dimethyl-, cyano(4-fluoro-3-phenoxyphenyl)methyl ester, EINECS 274-110-4, MFCD00867373, [cyano-(4-fluoro-3-phenoxyphenyl)methyl] 3-[(Z)-2-chloro-2-(4-chlorophenyl)ethenyl]-2,2-dimethylcyclopropane-1-carboxylate, cyano(4-fluoro-3-phenoxyphenyl)methyl 3-[2-chloro-2-(4-chlorophenyl)ethenyl]-2,2-dimethylcyclopropanecarboxylate

Flumethrin (CAS 69770-45-2) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C28H22Cl2FNO3 and a molecular weight of 510.384 g/mol. Key properties include a boiling point of 593.6±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 312.8±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 69770-45-2
Jingsj CID: J-1098909-6
Molecular Formula: C₂₈H₂₂Cl₂FNO₃
Molecular Weight: 510.384 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	593.6±50.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	312.8±30.1 °C
Exact Mass	509.096069
PSA	59.32000
LogP	7.80
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.630
Storage Conditions	0-6°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed
H311 — Toxic in contact with skin
H331 — Toxic if inhaled
H315 — Causes skin irritation
H317 — May cause an allergic skin reaction
H319 — Causes serious eye irritation

Customs & Trade Information

HS Code	2926909036
Summary	2926909036 cyano(3-phenoxyphenyl)methyl 2-(4-chlorophenyl)-3-methylbutanoate。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Flumethrin?

The CAS number of Flumethrin is 69770-45-2.

What are the molecular formula and molecular weight of Flumethrin?

Flumethrin has molecular formula C28H22Cl2FNO3 and molecular weight 510.384 g/mol.

Is Flumethrin hazardous?

Flumethrin has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.

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. "Flumethrin (CAS 69770-45-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1098909-6 (accessed 2026-11-06).

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