(Benzothiazol-2-ylthio) methylthiocyanate

Structural formula
General
Surname	(Benzothiazol-2-ylthio) methylthiocyanate
other names	TCMTB; 2- (thiocyanomethylthio) benzthiazole; 2- (benzothiazolthio) methyl thiocyanate; Casacide;
Molecular formula	C 9 H 6 N 2 S 3
Brief description	red to brown liquid with a pungent odor
External identifiers / databases
EC number	244-445-0
ECHA InfoCard	100.040.390
PubChem	30692
ChemSpider	28480
Wikidata	Q158532
properties
Molar mass	238.35 g mol −1
Physical state	liquid
Melting point	−10 ° C
solubility	very sparingly soluble in water (0.125 g l −1 at 24 ° C)
safety instructions
H and P phrases	H: 330-302-319-315-317-410
	P: 260-273-280-284-305 + 351 + 338-310
Toxicological data	679 mg kg −1 ( LD 50 , rat , oral ) ; 200 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 .

(Benzothiazol-2-ylthio) methylthiocyanate or TCMTB is a chemical compound from the group of benzothiazoles .

properties

(Benzothiazol-2-ylthio) methylthiocyanate is an oily, flammable, red to brown liquid with a pungent odor that is very sparingly soluble in water. It decomposes when heated, producing hydrogen cyanide , sulfur oxides and nitrogen oxides . 2-mercaptobenzothiazole (2-MBT) and 2-benzothiazole sulfonic acid occur as degradation products .

use

(Benzothiazol-2-ylthio) methylthiocyanate is used as a broad spectrum microbicide , paint fungicide and paint algicide . The active ingredient was approved in the USA in 1980. It is used, for example, in leather preservation, to protect paper products, in wood preservatives or against the contamination of industrial water.

In the USA (Benzothiazol-2-ylthio) methylthiocyanate is used as a fungicide for dressing seeds in cereals, safflower , cotton and sugar beet.

Admission

TCMTB is not a permitted crop protection agent in the European Union . In Germany, Austria and Switzerland, no pesticides with this active ingredient are permitted.

Individual evidence

↑ Thomas Swan: Coating Additives & Leather Fungicides ( Memento from January 13, 2013 in the Internet Archive )

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Entry for CAS no. 21564-17-0 in the GESTIS substance database of the IFA , accessed on August 3, 2012(JavaScript required) .

↑ Entry on (benzothiazol-2-ylthio) methyl thiocyanate 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 .

↑ Data sheet TCMTB, analytical standard at Sigma-Aldrich , accessed on August 3, 2012 ( PDF ).

↑ ^a ^b ^c EPA: Reregistration Eligibility Decision for 2- (Thiocyanomethylthio) -benzothiazole (TCMTB) (PDF; 2.7 MB), August 2006.

↑ Engin Bagda: Biocides in building coatings . expert verlag, 2000, ISBN 3-8169-1861-1 , p. 59 ( limited preview in Google Book search).

↑ Regulation (EC) No. 2076/2002 of the Commission of November 20, 2002 extending the deadline in accordance with Article 8 paragraph 2 of Council Directive 91/414 / EEC and on the non-inclusion of certain active substances in Annex I of this directive and the revocation of Approvals of plant protection products with these active ingredients (PDF) .

↑ General Directorate Health and Food Safety of the European Commission: Entry on 2- (dithiocyanomethylthio) -benzothiazole in the EU pesticide database ; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 8, 2016.

[1] Thomas Swan: Coating Additives & Leather Fungicides ( Memento from January 13, 2013 in the Internet Archive )

[GESTIS-2] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Entry for CAS no. 21564-17-0 in the GESTIS substance database of the IFA , accessed on August 3, 2012(JavaScript required) .

[CLP_100.040.390-3] Entry on (benzothiazol-2-ylthio) methyl thiocyanate 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 .

[Sigma-4] Data sheet TCMTB, analytical standard at Sigma-Aldrich , accessed on August 3, 2012 ( PDF ).

[EPA-5] EPA: Reregistration Eligibility Decision for 2- (Thiocyanomethylthio) -benzothiazole (TCMTB) (PDF; 2.7 MB), August 2006.

[Engin_Bagda-6] Engin Bagda: Biocides in building coatings . expert verlag, 2000, ISBN 3-8169-1861-1 , p. 59 ( limited preview in Google Book search).

[7] Regulation (EC) No. 2076/2002 of the Commission of November 20, 2002 extending the deadline in accordance with Article 8 paragraph 2 of Council Directive 91/414 / EEC and on the non-inclusion of certain active substances in Annex I of this directive and the revocation of Approvals of plant protection products with these active ingredients (PDF) .