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2-Mercaptobenzothiazole (MBT) is an organosulfur compound widely used as a primary accelerator in the vulcanization of natural and synthetic rubbers.
2-Mercaptobenzothiazole (MBT) appears as a light yellow crystalline powder with a characteristic sulfurous odor.
MBT is valued for its high efficiency in rubber curing processes, its role as an intermediate in the synthesis of other rubber accelerators, and its application in corrosion inhibition.
2-Mercaptobenzothiazole (MBT) is considered one of the most important chemicals in the rubber industry due to its balanced vulcanization speed, scorch resistance, and product performance.
CAS Number: 149-30-4
EC Number: 205-736-8
Molecular Formula: C7H5NS2
Molecular Weight: 167.25 g/mol
Synonyms: 2-Mercaptobenzothiazole, MBT, Benzothiazole-2-thiol, Captax, Rubber Accelerator MBT, MBT Accelerator, Mercaptobenzothiazole Powder, Vulcanization Accelerator MBT, 2-Mercaptobenzothiazole (MBT), MBT, Benzothiazole-2-thiol, 2-Benzothiazolethiol, o-Mercaptobenzothiazole, o-Benzothiazolethiol, 2-MBT, 2-Mercaptothiazolebenzene, Benzothiazolethiol, MBT Accelerator, MBT Rubber Accelerator, MBT Vulcanization Accelerator, MBT Industrial Accelerator, MBT Technical Grade, MBT Industrial Grade, MBT Rubber Grade, MBT Pharmaceutical Grade, MBT Laboratory Grade, MBT Research Grade, MBT Pure, MBT Extra Pure, MBT High Purity, MBT Refined, MBT Stabilized, MBT Certified, MBT Certified Standard, MBT Analytical Standard, MBT Laboratory Standard, MBT Reagent, MBT Certified Reagent, MBT Laboratory Reagent, MBT Test Reagent, MBT Assay, MBT Bulk Chemical, MBT Commercial Grade, MBT Raw Material, MBT Fine Chemical, MBT Specialty Chemical, MBT Active Ingredient, MBT Functional Ingredient, MBT Specialty Ingredient, MBT Functional Additive, MBT Specialty Additive, MBT Antioxidant, MBT Corrosion Inhibitor, MBT Metal Passivator, MBT Protective Agent, MBT Preservative, MBT Processing Aid, MBT Water Treatment Agent, MBT Polymer Additive, MBT Plastic Additive, MBT Coating Additive, MBT Adhesive Additive, MBT Sealant Additive, MBT Surface Treatment Agent, MBT Leather Chemical, MBT Textile Chemical, MBT Pulp & Paper Chemical, MBT Rubber Chemical, MBT Elastomer Additive, MBT Tire Additive, MBT Industrial Product, MBT Technical Product, MBT Specialty Reagent, MBT Fine Reagent
APPLICATIONS
2-Mercaptobenzothiazole (MBT) is used as a primary accelerator in the vulcanization of natural rubber.
2-Mercaptobenzothiazole (MBT) improves tensile strength and elasticity of rubber compounds.
2-Mercaptobenzothiazole (MBT) enhances the durability of tires, hoses, and seals.
2-Mercaptobenzothiazole (MBT) is employed in the vulcanization of synthetic rubbers such as SBR, NBR, and EPDM.
2-Mercaptobenzothiazole (MBT) ensures controlled curing speed.
2-Mercaptobenzothiazole (MBT) reduces the risk of premature vulcanization (scorching).
2-Mercaptobenzothiazole (MBT) is used in latex products.
2-Mercaptobenzothiazole (MBT) accelerates curing of gloves, balloons, and dipped goods.
2-Mercaptobenzothiazole (MBT) provides uniform film formation and strength.
2-Mercaptobenzothiazole (MBT) is incorporated in conveyor belts, gaskets, and footwear.
2-Mercaptobenzothiazole (MBT) enhances resistance to mechanical stress.
2-Mercaptobenzothiazole (MBT) prolongs product lifespan under heavy use.
2-Mercaptobenzothiazole (MBT) functions as a corrosion inhibitor in metalworking fluids.
2-Mercaptobenzothiazole (MBT) protects copper and its alloys from tarnish.
2-Mercaptobenzothiazole (MBT) improves service life of industrial equipment.
2-Mercaptobenzothiazole (MBT) is used as an intermediate in chemical synthesis.
2-Mercaptobenzothiazole (MBT) is converted into sulfenamides and thiazoles.
2-Mercaptobenzothiazole (MBT) enables production of secondary accelerators.
2-Mercaptobenzothiazole (MBT) is used in the rubber industry.
2-Mercaptobenzothiazole (MBT) functions as a primary accelerator in vulcanization.
2-Mercaptobenzothiazole (MBT) enhances elasticity and strength of rubber.
2-Mercaptobenzothiazole (MBT) is applied in tire manufacturing.
2-Mercaptobenzothiazole (MBT) improves wear resistance of tires.
2-Mercaptobenzothiazole (MBT) supports production of high-performance rubber goods.
2-Mercaptobenzothiazole (MBT) is used in belts and hoses.
2-Mercaptobenzothiazole (MBT) increases resistance to heat and mechanical stress.
2-Mercaptobenzothiazole (MBT) enhances service life of industrial products.
2-Mercaptobenzothiazole (MBT) is incorporated in latex products.
2-Mercaptobenzothiazole (MBT) accelerates curing in dipped goods.
2-Mercaptobenzothiazole (MBT) improves tear resistance of gloves and balloons.
2-Mercaptobenzothiazole (MBT) is used in footwear.
2-Mercaptobenzothiazole (MBT) provides flexibility to shoe soles.
2-Mercaptobenzothiazole (MBT) enhances durability in leather-rubber composites.
2-Mercaptobenzothiazole (MBT) is applied in automotive components.
2-Mercaptobenzothiazole (MBT) supports production of gaskets and seals.
2-Mercaptobenzothiazole (MBT) improves aging resistance of molded parts.
2-Mercaptobenzothiazole (MBT) is used in conveyor belts.
2-Mercaptobenzothiazole (MBT) increases tensile strength of heavy-duty belts.
2-Mercaptobenzothiazole (MBT) enhances operational lifespan.
2-Mercaptobenzothiazole (MBT) is incorporated in water treatment.
2-Mercaptobenzothiazole (MBT) acts as a corrosion inhibitor for copper alloys.
2-Mercaptobenzothiazole (MBT) protects metal surfaces from oxidative attack.
2-Mercaptobenzothiazole (MBT) is used in lubricants.
2-Mercaptobenzothiazole (MBT) provides anti-wear protection.
2-Mercaptobenzothiazole (MBT) extends service life of machinery.
2-Mercaptobenzothiazole (MBT) is applied in adhesives.
2-Mercaptobenzothiazole (MBT) improves bonding strength in industrial adhesives.
2-Mercaptobenzothiazole (MBT) enhances stability under high temperatures.
2-Mercaptobenzothiazole (MBT) is used in coatings.
2-Mercaptobenzothiazole (MBT) functions as a corrosion inhibitor in protective paints.
2-Mercaptobenzothiazole (MBT) improves durability of metal coatings.
2-Mercaptobenzothiazole (MBT) is incorporated in cables and wires.
2-Mercaptobenzothiazole (MBT) improves flexibility of insulating materials.
2-Mercaptobenzothiazole (MBT) enhances performance in harsh environments.
DESCRIPTION
2-Mercaptobenzothiazole (MBT) is a pale yellow crystalline powder.
It has a sulfurous odor typical of mercaptan compounds.
It is sparingly soluble in water but soluble in ethanol, acetone, and dilute alkali.
2-Mercaptobenzothiazole (MBT) is one of the oldest and most widely used rubber accelerators.
2-Mercaptobenzothiazole (MBT) offers a good balance between curing rate and scorch resistance.
It provides strong vulcanizates with excellent aging resistance.
2-Mercaptobenzothiazole (MBT) is an organosulfur compound.
2-Mercaptobenzothiazole (MBT) is widely used as a rubber accelerator and corrosion inhibitor.
2-Mercaptobenzothiazole (MBT) has the CAS number 149-30-4.
2-Mercaptobenzothiazole (MBT) has the EC number 205-736-8.
2-Mercaptobenzothiazole (MBT) has the molecular formula C7H5NS2.
2-Mercaptobenzothiazole (MBT) has a molecular weight of 167.25 g/mol.
2-Mercaptobenzothiazole (MBT) appears as a light yellow crystalline powder.
2-Mercaptobenzothiazole (MBT) is slightly soluble in water.
2-Mercaptobenzothiazole (MBT) is soluble in organic solvents like ethanol and benzene.
2-Mercaptobenzothiazole (MBT) accelerates sulfur vulcanization of natural and synthetic rubber.
2-Mercaptobenzothiazole (MBT) provides heat and aging resistance in rubber goods.
2-Mercaptobenzothiazole (MBT) is effective at low dosages in industrial formulations.
2-Mercaptobenzothiazole (MBT) can be toxic to aquatic life.
2-Mercaptobenzothiazole (MBT) requires careful handling with protective equipment.
2-Mercaptobenzothiazole (MBT) should be stored in cool, dry, and ventilated conditions.
2-Mercaptobenzothiazole (MBT) is compatible with a variety of accelerators and sulfur donors.
2-Mercaptobenzothiazole (MBT) is widely used in combination with guanidines and dithiocarbamates.
It remains stable under proper storage conditions but decomposes under strong heating.
2-Mercaptobenzothiazole (MBT) is classified as hazardous to aquatic life and requires careful handling.
2-Mercaptobenzothiazole (MBT) is primarily intended for industrial and technical use.
It is supplied in powder or pelletized form for ease of mixing.
PROPERTIES
Appearance: Pale yellow crystalline powder
Odor: Sulfurous, characteristic mercaptan odor
Density: ~1.42 g/cm³
Melting Point: ~173–180°C
Boiling Point: Decomposes before boiling
Solubility: Sparingly soluble in water; soluble in ethanol, acetone, dilute alkali
pH: Slightly acidic in aqueous suspension
Reactivity: Reacts with oxidizing agents; decomposes with strong heat
Stability: Stable under recommended storage conditions
Storage Temperature: Store at <25°C in dry, sealed containers
FIRST AID
Inhalation:
Remove to fresh air if dust is inhaled.
Seek medical attention if respiratory irritation occurs.
Skin Contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.
Seek medical attention if irritation or sensitization develops.
Eye Contact:
Flush with water for at least 15 minutes.
Seek immediate medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting.
Seek medical help immediately.
Note to Physicians:
Treat symptomatically.
Sensitization is possible; provide supportive care.
HANDLING AND STORAGE
Handling:
Avoid inhalation of dust and contact with skin or eyes.
Wear gloves, goggles, and protective clothing.
Wash hands thoroughly after handling.
Ventilation:
Use local exhaust ventilation in processing areas.
Avoidance:
Avoid strong oxidizing agents and excessive heat.
Prevent release into waterways.
Spill and Leak Procedures:
Sweep or vacuum carefully to avoid dust generation.
Collect in sealed containers for disposal.
Storage:
Store in a cool, dry, well-ventilated area.
Keep containers tightly closed and away from direct sunlight.
Maintain temperature below 25°C for long-term stability.
