2-(thiocyanomethylthio)benzothiazole |
![]() Last updated: 22/02/2021 |
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(Also known as: TCMTB; benthiazole; alentisan; KVK 733059; TCMB) |
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Used as a soil and seed treatment against various diseases. Also used as a marine biocide, and as a wood and leather preservative. | |
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Mildews; Moulds; Bacterial blight; Bacterial slime; Basal rot; Brown rot; Damping off; Kernal smut; Bunt | |
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Cereals including barley, wheat, oats; Ornamentals; Cotton, Rice; Legumes; Sorghum; Sugar beet | |
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Current | |
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1980, USA |
UK regulatory status |
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Not approved | ||
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Expired | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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USA |
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Chemical structure |
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C₉H₆N₂S₃ | |
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C1=CC=C2C(=C1)N=C(S2)SCSC#N | |
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No data | |
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TUBQDCKAWGHZPF-UHFFFAOYSA-N | |
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InChI=1S/C9H6N2S3/c10-5-12-6-13-9-11-7-3-1-2-4-8(7)14-9/h1-4H,6H2 | |
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Yes |
General status |
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Fungicide, Microbiocide, Other substance | |
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Wood preservative | |
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Mercaptobenzothiazole | |
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Synthetic | |
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Complex - reacts with the nucleophilic cell entities which causes the antimicrobial activity. Also known to inhibit flavoenzymes in the tricarboxylic acid cycle. | |
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21564-17-0 | |
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244-445-0 | |
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035603 | |
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30692 | |
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238.36 | |
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2-(thiocyanatomethylthio)-1,3-benzothiazole | |
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(2-benzothiazolylthio)methyl thiocyanate | |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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Not known | |
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Dark orange liquid |
Formulations |
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Usually supplied as an emulsifiable liquid, ready-to-use liquids and wettable powders |
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125 | CA4 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) at 24 °C4 = Verified data |
Moderate | ||||||||
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Miscible | Q3 Q = Miscellaneous internet resources Ethanol3 = Unverified data of known source |
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Miscible | Q3 Q = Miscellaneous internet resources Ethyl acetate3 = Unverified data of known source |
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191 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
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60 | - | - | ||||||||
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189 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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2.00 X 1003 | Calculated | - | |||||||
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3.3 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
High | ||||||||
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1.4 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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6.58 X 10-07 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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1.4 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Non-persistent | |||||||
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- | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
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Stable at pH 5, slow hydrolysis at pH 7, around 2 days at pH 9 | ||||||||||
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Soil adsorption and mobility |
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- | R4 R = Peer reviewed scientific publications 4 = Verified data |
Non-mobile | |||||||
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4089 | ||||||||||
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Koc range 282 - 7896 mL g⁻¹ | ||||||||||
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Fate indices |
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0.06 | Calculated | Low leachability | ||||||||||||||||||||||||||
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2.07 X 10-04 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Non-mobile | Calculated | - |
Other known metabolites |
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2-mercaptobenzothiazole (2-MBT) Note: Concerns for drinking water |
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2-benzothiazolesulfonic acid (2-BTSA) Note: Less toxic than parent |
- | Plant; Soil | - | - |
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230 | P3 P = Other governments and regulators Whole fish3 = Unverified data of known source |
Threshold for concern | |||||||
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Not available | - | |||||||||
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> 1310 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Anas platyrhynchos3 = Unverified data of known source |
Moderate | ||||||||
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0.0021 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Oncorhynchus mykiss4 = Verified data |
High | ||||||||
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0.00034 | P4 P = Other governments and regulators Oncorhynchus mykiss 60 day4 = Verified data |
High | ||||||||
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0.0153 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Ceriodaphnia dubia4 = Verified data |
High | ||||||||
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0.00089 | P4 P = Other governments and regulators Daphnia magna4 = Verified data |
High | ||||||||
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0.43 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Pseudokirchneriella subcapitata4 = Verified data |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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10000 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rabbit3 = Unverified data of known source |
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0.0671 | P3 P = Other governments and regulators Rat3 = Unverified data of known source |
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Can be absorbed into the body by inhalation of its aerosol and by ingestion | ||||||||||
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Health issues |
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Probably liver and kidney toxicant May damage eyes |
Handling issues |
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Corrosive Combustable |
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T+ - Very toxic: R26 Xn - Harmful: R22, R43 Xi - Irritant: R36/38 N - Dangerous for the environment: R50 |
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O (Obsolete substance) | |||
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2-(thiocyanomethylthio)benzothiazole | ||
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Record last updated: | 22/02/2021 |
Contact: | aeru@herts.ac.uk |
Please cite as: | Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |