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Butafenacil

Butafenacil structure

CAS No:
134605-64-4
Formula:
C20H18ClF3N2O6
Chemical Name:
Butafenacil
Synonyms:
Benzoic acid,2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1(2H)-pyrimidinyl]-,1,1-dimethyl-2-oxo-2-(2-propen-1-yloxy)ethyl ester;Benzoic acid,2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1(2H)-pyrimidinyl]-,1,1-dimethyl-2-oxo-2-(2-propenyloxy)ethyl ester;Butafenacil;2-Chloro-5-[3,6-dihydro-2,6-dioxo-3-methyl-4-trifluoromethyl-1(2H)-pyrimidinyl]benzoic acid 1-allyloxycarbonyl-1-methylethyl ester;Fluobutracil;Butafenacil allyl;CGA 276854;WC 9717;Inspire;252205-33-7
Categories:
Agrochemicals > Herbicides

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Butafenacil Basic Attributes

Molecular Weight：

474.81

Exact Mass：

474.81

EC Number：

603-837-5

HScode：

2933599020

Characteristics

PSA：

93.2

XLogP3：

3.63

Appearance：

white powder

Density：

1.4±0.1 g/cm3

Melting Point：

113ºC

Boiling Point：

539.4±60.0 °C at 760 mmHg

Flash Point：

280.0±32.9 °C

Refractive Index：

1.536

Storage Conditions：

0-6°C

Vapor Pressure：

0mmHg at 25°C

Safety Information

Transport codes：

UN30779/PG3

hazard class code：

50/53

safety instructions：

60-61

Marks：

Precautionary statement(s)：

P273

Hazard Statements：

H400

Butafenacil Use and Manufacturing

Methods of Manufacturing

Preparation Method One takes 2-chloro-5-nitrobenzoic acid as the starting material and synthesizes flufenazone through the following reaction process. Preparation method 2 Taking methyl 2-chloro-5-nitrobenzoate as the starting material, fluoropropazone is synthesized through the following reaction process.

Uses

Butafenacil is a uracil based herbicide that function via the inhibition of protoporphyrinogen oxidase.