Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Norflurazon
Price: Check
Purity: 98.0%
Stocking Period: 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%
Stocking Period: 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%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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

27314-13-2

27314-13-2 structure

27314-13-2 structure

Name: Norflurazon
Chemical Name: norflurazon
CAS Number: 27314-13-2
Molecular Formula: C₁₂H₉ClF₃N₃O
Molecular Weight: 303.67
Catalog: Chemical pesticide herbicide Other herbicides
Create Date: 2018-07-29 11:57:20
Modify Date: 2025-08-20 23:45:14
Norflurazon (SAN 9789) is a bleaching herbicide. Norflurazon can block carotenoid biosynthesis by inhibiting phytoene desaturase activity[1].

Name	norflurazon
Synonyms	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

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	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

74-89-5 structure

74-89-5

26806-47-3 structure

26806-47-3

~18%

98796-04-4 structure

98796-04-4

27314-13-2 structure

27314-13-2

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

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