Skip to main content

Norflurazon

Also known as: 4-chloro-5-(methylamino)-2-[3-(trifluoromethyl)phenyl]pyridazin-3-one, 4-chloro-5-methylamino-2-(3-trifluoromethylphenyl)pyridazin-3-one, 4-chloro-5-(methylamino)-2-(alpha,alpha,alpha-trifluoro-m-tolyl)-3(2H)-pyridazinone, EVITOL, SAN-9789

Norflurazon (CAS 27314-13-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H9ClF3N3O and a molecular weight of 303.67 g/mol. Key properties include a melting point of 184ºC, a boiling point of 345.2±52.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 162.6±30.7 °C. It is classified under GHS with signal word Warning and hazard statements H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27314-13-2
Jingsj CID
J-1993234-1
Molecular Formula
C12H9ClF3N3O
Molecular Weight
303.67 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point184ºC
Boiling Point345.2±52.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point162.6±30.7 °C
Exact Mass303.038635
PSA46.92000
LogP2.45
AppearanceCrystalline Solid | White
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.567
Storage Conditions0-6℃

GHS Safety & Compliance

Environmental HazardSignal word: Warning
  • H400 — Very toxic to aquatic life

Activity & Biological Data

Additional Information[1]. Abrous-Belbachir O, et, al. Evidence that norflurazon affects chloroplast lipid unsaturation in soybean leaves (Glycine max L.). J Agric Food Chem. 2009 Dec 9;57(23):11434-40.

Frequently Asked Questions

What is the CAS number of Norflurazon?

The CAS number of Norflurazon is 27314-13-2.

What are the molecular formula and molecular weight of Norflurazon?

Norflurazon has molecular formula C12H9ClF3N3O and molecular weight 303.67 g/mol.

Is Norflurazon hazardous?

Norflurazon has GHS signal word Warning and hazard statements 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. "Norflurazon (CAS 27314-13-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993234-1 (accessed 2026-11-06).

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