THIURAM DISULFIDE

Thiuram disulfide is a high-efficiency rubber accelerator widely used in the vulcanization of natural rubber, synthetic rubbers, latex systems, and specialty elastomers.
Thiuram disulfide functions as an ultra-accelerator and sulfur donor, producing rapid cure rates and strong crosslink density in rubber compounds.
Thiuram disulfide is valued for its strong accelerating effect, good scorch safety, and compatibility with a wide range of polymers and secondary accelerators.
Thiuram disulfide enhances mechanical strength, elasticity, and durability in vulcanized rubber materials used in industrial, automotive, and consumer applications.

CAS Number: 137-26-8
EC Number: 205-286-2
Molecular Formula: C₆H₁₂N₂S₄
Molecular Weight: 240.42 g/mol

Synonyms: TMTD, Tetramethylthiuram disulfide, Thiram, Rubber accelerator TMTD, Thiuram accelerator, Sulfur donor accelerator, Rubber vulcanizing agent, Thiuram-based accelerator, Ultra accelerator, Rubber curing additive, Thiuram Disulfide, TMTD, Tetramethylthiuram Disulfide, Thiram, Thiuram, Tetramethyl Thiuram Disulfide, TMDS, Thiuram Class Accelerator, Thiuram-Type Accelerator, Thiuram-Based Accelerator, Thiuram Rubber Accelerator, Rubber Accelerator Thiuram Disulfide, Vulcanization Accelerator Thiuram, Ultra Accelerator Thiuram Disulfide, Fast Accelerator Thiuram, Thiuram Disulfide Rubber Chemical, Thiuram Disulfide Curing Agent, Thiuram Disulfide Vulcanizing Agent, Thiuram Disulfide Sulfur Donor, Thiuram Disulfide Crosslinking Agent, Rubber Processing Chemical Thiuram Disulfide, Rubber Compounding Agent Thiuram Disulfide, Thiuram Disulfide for Natural Rubber, Thiuram Disulfide for Synthetic Rubber, Thiuram Disulfide for Latex, Latex Accelerator Thiuram Disulfide, Thiuram Disulfide Industrial Grade, Thiuram Disulfide Technical Grade, High Purity Thiuram Disulfide, Pure Thiuram Disulfide, Extra Pure Thiuram Disulfide, Thiuram Disulfide Powder, Thiuram Disulfide Flakes, Thiuram Disulfide Granules, Thiuram Disulfide Pellets, Rubber Grade Thiuram Disulfide, Thiuram Disulfide Processing Additive, Thiuram Disulfide Functional Additive, Thiuram Disulfide Elastomer Additive, Thiuram Disulfide Polymer Additive, Thiuram Disulfide Cure Accelerator, Thiuram Disulfide Cure Activator, Thiuram Disulfide Ultra-Fast Accelerator, Thiuram Disulfide Sulfur Accelerator, Thiuram Disulfide Thiuram Agent, Thiuram Disulfide SBR Accelerator, Thiuram Disulfide NBR Accelerator, Thiuram Disulfide EPDM Accelerator, Thiuram Disulfide Butyl Rubber Accelerator, Thiuram Disulfide Chloroprene Accelerator, Thiuram Disulfide Tire Additive, Thiuram Disulfide Rubber Hose Additive, Thiuram Disulfide Rubber Gasket Additive, Thiuram Disulfide Rubber Seal Additive, Thiuram Disulfide Conveyor Belt Additive, Thiuram Disulfide Rubber Goods Additive, Thiuram Disulfide Specialty Chemical, Thiuram Disulfide Fine Chemical

APPLICATIONS

Thiuram disulfide is used as a primary accelerator in rubber compounding.
Thiuram disulfide provides ultra-fast curing performance.
Thiuram disulfide increases crosslinking density and strength.

Thiuram disulfide is used in natural rubber formulations.
Thiuram disulfide enhances tensile properties and resilience.
Thiuram disulfide supports short cure cycles for high productivity.

Thiuram disulfide is used in synthetic rubbers such as SBR and NBR.
Thiuram disulfide improves scorch resistance and processing safety.
Thiuram disulfide ensures uniform vulcanization.

Thiuram disulfide is used in EPDM systems.
Thiuram disulfide supports sulfur-donor curing mechanisms.
Thiuram disulfide enables heat-resistant rubber compounds.

Thiuram disulfide is used in latex applications.
Thiuram disulfide is suitable for gloves, balloons, and dipped goods.
Thiuram disulfide provides strong film formation and flexibility.

Thiuram disulfide is used in hoses, belts, gaskets, and molded goods.
Thiuram disulfide improves wear resistance and elasticity.
Thiuram disulfide helps maintain long-term performance.

Thiuram disulfide is used in shoe soles and technical rubber parts.
Thiuram disulfide produces robust, highly elastic vulcanizates.
Thiuram disulfide improves processing consistency.

Thiuram disulfide is used in adhesives and rubber cements.
Thiuram disulfide improves polymer crosslinking behavior.
Thiuram disulfide increases bond strength.

Thiuram disulfide is used as an accelerator in rubber vulcanization.
Thiuram disulfide increases the speed of sulfur crosslinking reactions.
Thiuram disulfide improves elasticity and strength in vulcanized rubber.

Thiuram disulfide is used as a primary accelerator in natural rubber formulations.
Thiuram disulfide enhances tensile properties and improves curing uniformity.
Thiuram disulfide reduces scorch time and increases processing efficiency.

Thiuram disulfide is used in synthetic rubber production.
Thiuram disulfide provides rapid curing for SBR, NBR, and EPDM elastomers.
Thiuram disulfide improves heat aging resistance of synthetic rubber materials.

Thiuram disulfide is used in latex compound vulcanization.
Thiuram disulfide helps form strong elastic films in latex gloves.
Thiuram disulfide improves gelation in dipped latex products.

Thiuram disulfide is used in tire manufacturing.
Thiuram disulfide enhances durability and mechanical stability of tire compounds.
Thiuram disulfide contributes to improved wear resistance in tire treads.

Thiuram disulfide is used in conveyor belt production.
Thiuram disulfide supports formation of strong, abrasion-resistant rubber belts.
Thiuram disulfide improves resistance to heavy mechanical loads.

Thiuram disulfide is used in industrial rubber goods.
Thiuram disulfide improves compression set resistance in molded parts.
Thiuram disulfide ensures consistent curing in thick rubber sections.

Thiuram disulfide is applied as a sulfur donor.
Thiuram disulfide provides available sulfur for sulfur-free curing formulations.
Thiuram disulfide is used when direct sulfur addition is undesirable.

Thiuram disulfide is used as a fungicide in agricultural seed treatments.
Thiuram disulfide prevents growth of pathogenic fungi on seeds.
Thiuram disulfide protects stored seeds from mold and decay.

Thiuram disulfide is used in metal ore flotation processes.
Thiuram disulfide improves selectivity in mineral separation.
Thiuram disulfide enhances recovery efficiency in sulfide ore flotation.

Thiuram disulfide is used in polymer chemistry as a chain-transfer agent.
Thiuram disulfide helps regulate molecular weight in polymerization reactions.
Thiuram disulfide improves control of polymer branching and viscosity.

Thiuram disulfide is used in automotive rubber applications.
Thiuram disulfide increases durability of seals, gaskets, and hoses.
Thiuram disulfide improves fatigue resistance under cyclic loading.

Thiuram disulfide is used in neoprene curing systems.
Thiuram disulfide accelerates vulcanization of chloroprene rubber.
Thiuram disulfide improves mechanical properties of neoprene-based products.

Thiuram disulfide is used in industrial gloves and protective rubber goods.
Thiuram disulfide ensures uniform curing and elasticity in protective equipment.
Thiuram disulfide improves chemical resistance of protective rubber surfaces.

Thiuram disulfide is used in specialty elastomer systems for vibration control.
Thiuram disulfide enhances dynamic performance of vibration-damping materials.
Thiuram disulfide improves long-term elastic recovery in damping rubbers.

DESCRIPTION

Thiuram disulfide is a white to pale yellow crystalline powder.
Thiuram disulfide has a mild sulfur-like odor typical of thiuram compounds.
Thiuram disulfide is insoluble in water but soluble in organic solvents such as acetone and chloroform.

Thiuram disulfide belongs to the thiuram accelerator class.
Thiuram disulfide acts as both an accelerator and a sulfur donor.
Thiuram disulfide is effective at low dosage levels.

Thiuram disulfide provides rapid cure speed in sulfur vulcanization.
Thiuram disulfide can be used alone or in combination with secondary accelerators.
Thiuram disulfide helps achieve excellent mechanical properties in cured rubber.

Thiuram disulfide is stable under recommended storage conditions.
Thiuram disulfide withstands high processing temperatures.
Thiuram disulfide is compatible with fillers, antioxidants, and processing oils.

Thiuram disulfide is an organosulfur compound commonly used as a rubber vulcanization accelerator.
Thiuram disulfide is part of the thiuram accelerator family known for ultra-fast curing performance.
Thiuram disulfide enhances sulfur crosslinking reactions in elastomer processing.

Thiuram disulfide includes compounds such as tetramethylthiuram disulfide (TMTD).
Thiuram disulfide is widely used across natural, synthetic, and latex rubber systems.

Thiuram disulfide appears as a pale yellow to white crystalline powder.
Thiuram disulfide has a faint sulfur-like odor.
Thiuram disulfide is insoluble in water but soluble in organic solvents.

Thiuram disulfide decomposes with heat to release sulfur-containing gases.
Thiuram disulfide can act as both an accelerator and a sulfur donor.
Thiuram disulfide must be handled with care due to sensitization and toxicity risks.

Thiuram disulfide is stable under dry, cool storage conditions.
Thiuram disulfide should be kept away from heat and strong oxidizers.
Thiuram disulfide is a critical industrial compound for high-performance vulcanized rubber products.

PROPERTIES

Appearance: White to pale yellow powder
Odor: Mild sulfur-like odor
Melting Point: ~146–150°C
Solubility: Insoluble in water; soluble in acetone, benzene, chloroform
Density: ~1.40 g/cm³
Activity: Ultra accelerator; sulfur donor
Thermal Stability: Good under standard processing
Reactivity: Avoid strong oxidizing agents
pH: Neutral (in slurry)

FIRST AID

Inhalation:
Move to fresh air.
Seek medical attention if respiratory irritation or coughing occurs.

Skin Contact:
Wash with soap and water.
Seek medical attention if redness or irritation develops.

Eye Contact:
Rinse with plenty of water for several minutes.
Seek medical attention if irritation continues.

Ingestion:
Rinse mouth and drink water.
Seek medical help if discomfort or symptoms appear.

Note to Physicians:
Treat symptomatically.
Monitor for allergic or irritant responses.

HANDLING AND STORAGE

Handling:
Avoid dust formation.
Wear protective gloves, goggles, and dust masks.

Ventilation:
Use local exhaust ventilation during milling, mixing, or weighing.

Avoidance:
Avoid contact with strong oxidizers and high heat.

Spill Procedures:
Sweep or vacuum without creating airborne dust.
Dispose of waste according to regulations.

Storage:
Store in a cool, dry, well-ventilated place.
Keep containers tightly sealed.
Protect from heat, moisture, and contamination.