Norflurazon

Modify Date: 2025-08-20 23:45:14

Norflurazon structure	Common Name	Norflurazon
	CAS Number	27314-13-2	Molecular Weight	303.67
	Density	1.5±0.1 g/cm3	Boiling Point	345.2±52.0 °C at 760 mmHg
	Molecular Formula	C₁₂H₉ClF₃N₃O	Melting Point	184ºC
	MSDS	Chinese USA	Flash Point	162.6±30.7 °C
	Symbol	GHS09	Signal Word	Warning

Use of Norflurazon

Norflurazon (SAN 9789) is a bleaching herbicide. Norflurazon can block carotenoid biosynthesis by inhibiting phytoene desaturase activity[1].

Name	norflurazon
Synonym	More Synonyms

Description	Norflurazon (SAN 9789) is a bleaching herbicide. Norflurazon can block carotenoid biosynthesis by inhibiting phytoene desaturase activity[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[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.

Density	1.5±0.1 g/cm3
Boiling Point	345.2±52.0 °C at 760 mmHg
Melting Point	184ºC
Molecular Formula	C₁₂H₉ClF₃N₃O
Molecular Weight	303.67
Flash Point	162.6±30.7 °C
Exact Mass	303.038635
PSA	46.92000
LogP	2.45
Appearance of Characters	Crystalline Solid \| White
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.567

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR6150000

CHEMICAL NAME :: 3(2H)-Pyridazinone, 4-chloro-5-(methylamino)-2-(alpha,alpha,alpha-trifluo ro-m-tolyl)-

CAS REGISTRY NUMBER :: 27314-13-2

BEILSTEIN REFERENCE NO. :: 0757115

LAST UPDATED :: 199701

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C12-H9-Cl-F3-N3-O

MOLECULAR WEIGHT :: 303.69

WISWESSER LINE NOTATION :: T6NNVJ BR CXFFF& DG EM1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 8 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85ARAE "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revision Volume(issue)/page/year: 2,108,1977

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >20 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,624,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: >1250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C221,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: >1250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C221,1991 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989

Symbol	GHS09
Signal Word	Warning
Hazard Statements	H400
Precautionary Statements	P273
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	N: Dangerous for the environment;
Risk Phrases	R50
Safety Phrases	61
RIDADR	UN 3077 9/PG 3
RTECS	UR6150000

methylamine

CAS#:74-89-5

4,5-dichloro-2-...

CAS#:26806-47-3

~18%

5-Chloro-4-meth...

CAS#:98796-04-4

Norflurazon

CAS#:27314-13-2

Literature: Konecny, Vaclav; Kovac, Stefan; Varkonda, Stefan Collection of Czechoslovak Chemical Communications, 1985 , vol. 50, # 2 p. 492 - 502

A new F131V mutation in Chlamydomonas phytoene desaturase locates a cluster of norflurazon resistance mutations near the FAD-binding site in 3D protein models.

PLoS ONE 9(6) , e99894, (2014)

The green alga Chlamydomonas reinhardtii provides a tractable genetic model to study herbicide mode of action using forward genetics. The herbicide norflurazon inhibits phytoene desaturase, which is r...

Novel bioassay for the discovery of inhibitors of the 2-C-methyl-D-erythritol 4-phosphate (MEP) and terpenoid pathways leading to carotenoid biosynthesis.

PLoS ONE 9(7) , e103704, (2014)

The 2-C-methyl-D-erythritol 4-phosphate (MEP) pathway leads to the synthesis of isopentenyl diphosphate in plastids. It is a major branch point providing precursors for the synthesis of carotenoids, t...

Functional characterization of the two ferrochelatases in Arabidopsis thaliana.

Plant Cell Environ. 38(2) , 280-98, (2015)

The enzyme ferrochelatase catalyses the formation of protoheme by inserting Fe(2+) into protoporphyrin IX. Although most organisms express only one ferrochelatase, all land plants analysed so far poss...

4-Chlor-5-(methylamino)-2-[3-(trifluormethyl)phenyl]pyridazin-3(2H)-on

4-Chloro-5-(methylamino)-2-[3-(trifluoromethyl)phenyl]pyridazin-3(2H)-one

4-Chloro-5-(methylamino)-2-(a,a,a-trifluoro-m-tolyl)-3(2H)-pyridazinone

4-Chloro-5-(methylamino)-2-(α,α,α-trifluoro-m-tolyl)-3(2H)-pyridazinone

EINECS 248-397-1

MFCD00128055

3(2H)-Pyridazinone, 4-chloro-5-(methylamino)-2-[3-(trifluoromethyl)phenyl]-

4-chloro-5-methylamino-2-(α,α,α-trifluoro-m-tolyl)pyridazin-3(2H)-one

4-Chloro-5-(methylamino)-2-[3-(trifluoromethyl)phenyl]-3(2H)-pyridazinone

4-Chloro-5-(methylamino)-2-(3-(trifluoromethyl)phenyl)-3(2H)-pyridazinone (9CI)

4-chloro-5-(methylamino)-2-[3-(trifluoromethyl)phenyl]pyridazin-3-one

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Norflurazon
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Norflurazon
Price: ￥1688.0/100mg
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Norflurazon
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

ShangHai DC Chemicals Co.,Ltd
China
Product Name: Norflurazon
Price: ￥Inquiry/1g
Purity: 98.9%
Delivery: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

Get all suppliers and price by the below link:

Norflurazon suppliers

Norflurazon price

Norflurazon

Use of Norflurazon

Names

Norflurazon Biological Activity

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Articles31

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.