Sodium 2-mercaptobenzothiazole

Agent Name
Sodium 2-mercaptobenzothiazole
CAS Number
Major Category
Plastics & Rubber
Sodium 2-mercaptobenzothiazole formula graphical representation
2(3H)-Benzothiazolethione, sodium salt; 2-Benzothiazolethiol, sodium deriv.; 2-Benzothiazolethiol, sodium salt; 2-Mercaptobenzothiazole, sodium; 2-Mercaptobenzothiazole, sodium deriv.; 2-Mercaptobenzothiazole, sodium salt; Benzothiazolethiol, sodium salt; Duodex; Mercaptobenzothiazole sodium salt; NaMBT; Nacap; Sodium 2(3H)-benzothiazolethionate; Sodium 2-benzothiazolethioate; Sodium 2-benzothiazolethiolate; Sodium 2-mercaptobenzothiazolate; Sodium MBT; Sodium benzothiazolethiolate; Sodium mercaptobenzothiazolate; Sodium mercaptobenzothiazole; Sodium, (2-benzothiazolylthio)-; Vancide 51; [ChemIDplus]
Rubber Additives
50% aqueous solution: Light amber liquid; [HSDB] Light yellow crystalline powder with a stench; [MSDSonline]
Used to make rubber accelerators, and as a fungicide, a preservative for latex paint and wood, a metal chelator, and a thermal stabilizer (methyl methacrylate copolymers, acrylonitrile polymers, polyester fibers, anion exchange resins, polyoxyphenylene, and silicon fluids); Also used in electroplating (silver, nickel, and cobalt), to separate sulfide ore from copper ore, for dyeing textiles, in transmission fluids, and to prevent discoloration of freeze dried bananas; Uses of 50% aqueous solution include as a corrosion inhibitor for nonferrous metals in antifreeze and coolants and in paper mill systems; [HSDB] Used as a biocide in metalworking fluids and paper manufacturing; [Reference #1]
May cause vesiculations and erythematous skin lesions; May cause skin sensitization; [HSDB] Reaction with body moisture may produce sodium hydroxide and 2-mercaptobenzothiazole; May cause irritation or severe corrosive injury to skin and eyes; [CAMEO] An irritant; [MSDSonline] See "Mercaptobenzothiazole."
Reference Link #1
Biomedical References

Exposure Assessment

Lethal Concentration
LC50 (rat) > 8,200 mg/m3/6h

Adverse Effects

Skin Sensitizer
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Skin burns

Diseases, Processes, and Activities Linked to This Agent


Occupational diseases associated with exposure to this agent: