Preservatives & Biocides
REACH
2-(thiocyanomethylthio)benzothiazole
CAS Number
21564-17-0
EC Number
244-445-0
Abbreviation
TCMTB
What is 2-(thiocyanomethylthio)benzothiazole?
2-(Thiocyanomethylthio)benzothiazole (CAS 21564-17-0), commercially known as TCMTB, is a broad-spectrum biocide. Also marketed as Alentisan and Ichiban.
Where is 2-(thiocyanomethylthio)benzothiazole used?
- Leather and textile processing: preservative in wet-end operations, preventing spoilage of hides, pelts and fiber materials during storage and transport
- Pulp and paper: slimicide inhibiting biofilm formation in process water systems, reducing downtime
- Coatings, adhesives and sealants: in-can preservative extending shelf life of water-based formulations
- Industrial water treatment controls microbial populations in cooling towers and recirculating systems.
Commercial specifications
- Liquid concentrate, aqueous or solvent-based, active concentrations around 30%
- Bulk quantities for industrial procurement
Other Names (Synonyms)
TCMTB|Alentisan|Ichiban|Busan|Busan 15|Busan 71|Thiocyanic acid, (2-benzothiazolylthio)methyl ester|2-[(Thiocyanatomethyl)thio]benzothiazole
What are the physical properties of 2-(thiocyanomethylthio)benzothiazole?
Melting Point <-10 °C
Boiling Point >120 °C
Density 1.4 g/cm³
Flash Point (open cup): 66°C
Color Brown to Dark Brown
Odor pungent odor
Form Oil
Refractive Index 1.5500 (estimate)
How is 2-(thiocyanomethylthio)benzothiazole classified and handled safely? Learn More
Danger
GHS06· Toxic GHS09· Environmental Hazard GHS07· Irritant GHS05· Corrosive GHS08· Health Hazard
Hazard Statements
H227 Combustible liquid
H302 Harmful if swallowed
H312 Harmful in contact with skin
H315 Causes skin irritation
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
Which trade and regulatory codes apply to 2-(thiocyanomethylthio)benzothiazole?
HS Code 29342000