Thiobencarb

Structural formula
General
Surname	Thiobencarb
other names	Benthiocarb; S - (4-chlorobenzyl) diethyl thiocarbamate;
Molecular formula	C 12 H 16 ClNOS
Brief description	pale yellow to brownish yellow liquid
External identifiers / databases
EC number	248-924-5
ECHA InfoCard	100.044.461
PubChem	34192
Wikidata	Q4392804
properties
Molar mass	257.78 g mol −1
Physical state	liquid
density	1.47 g cm −3
Melting point	3.3 ° C
boiling point	126-129 ° C (1.1 Pa )
solubility	practically insoluble in water (0.03 g l −1 at 20 ° C)
safety instructions
H and P phrases	H: 302-410
	P: 264-270-273-301 + 312 + 330-391-501
Toxicological data	920 mg kg −1 ( LD 50 , rat , oral ) ; > 2000 mg kg −1 ( LD 50 , rabbit , transdermal ) ;
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Thiobencarb ( Benthiocarb ) is a chemical compound from the group of thiocarbamates and a herbicide introduced by Kumiai Chemical in 1969 .

Extraction and presentation

Thiobencarb can be obtained by reacting the product of phosgene and diethylamine with the product of the reaction of p-chlorobenzyl chloride and sodium sulfide .

use

Thiobencarb is used as a selective herbicide in rice cultivation under the trade names Saturn and Bolero . In 2011, over 250 tons were still consumed in the USA.

Admission

No plant protection products containing this active ingredient are permitted in the EU or Switzerland .

Individual evidence

↑ ^a ^b ^c ^d Entry on thioben carb. In: Römpp Online . Georg Thieme Verlag, accessed on April 24, 2014.
↑ ^a ^b ^c ^d ^e Entry on S- (4-chlorobenzyl) diethylthiocarbamate in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
↑ Entry on S-4-chlorobenzyl diethylthiocarbamate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
^ Kumiai Chemical Industry: Company History , accessed April 24, 2014.
↑ Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 118 ( limited preview in Google Book search).
↑ General Directorate Health and Food Safety of the European Commission: Entry on thiobencarb in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on February 16, 2016.

[roempp-1] Entry on thioben carb. In: Römpp Online . Georg Thieme Verlag, accessed on April 24, 2014.

[GESTIS-2] Entry on S- (4-chlorobenzyl) diethylthiocarbamate in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .

[CLP_100.044.461-3] Entry on S-4-chlorobenzyl diethylthiocarbamate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .

[4] Kumiai Chemical Industry: Company History , accessed April 24, 2014.

[unger-5] Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 118 ( limited preview in Google Book search).

[PSM-6] General Directorate Health and Food Safety of the European Commission: Entry on thiobencarb in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on February 16, 2016.