Fluquinconazole

Also known as: 3-(2,4-Dichlorophenyl)-6-fluoro-2-(1H-1,2,4-triazol-1-yl)quinazolin-4(3H)-one, 3-(2,4-Dichlorophenyl)-6-fluoro-2-(1H-1,2,4-trizol-1-yl)quinazolin-4(3H)-one, Castellan, 4(3H)-Quinazolinone, 3-(2,4-dichlorophenyl)-6-fluoro-2-(1H-1,2,4-triazol-1-yl)-, Jockey, SN597265

Fluquinconazole (CAS 136426-54-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H8Cl2FN5O and a molecular weight of 376.172 g/mol. Key properties include a boiling point of 623.0±65.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 330.6±34.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 136426-54-5
Jingsj CID: J-20004-6
Molecular Formula: C₁₆H₈Cl₂FN₅O
Molecular Weight: 376.172 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	623.0±65.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	330.6±34.3 °C
Exact Mass	375.009003
PSA	65.60000
LogP	2.79
Vapor Pressure	0.0±1.8 mmHg at 25°C
Refractive Index	1.741

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

H301 — Toxic if swallowed
H312 — Harmful in contact with skin
H315 — Causes skin irritation
H331 — Toxic if inhaled
H372 — Causes damage to organs through prolonged exposure
H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Fluquinconazole?

The CAS number of Fluquinconazole is 136426-54-5.

What are the molecular formula and molecular weight of Fluquinconazole?

Fluquinconazole has molecular formula C16H8Cl2FN5O and molecular weight 376.172 g/mol.

Is Fluquinconazole hazardous?

Fluquinconazole has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

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. "Fluquinconazole (CAS 136426-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20004-6 (accessed 2026-11-07).

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