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Copper Dimethyldithiocarbamate (CUDD) is primarily employed as a specialty rubber chemical in sulfur-vulcanized elastomer systems.
Copper Dimethyldithiocarbamate (CUDD) serves as a secondary vulcanization accelerator that enhances cure efficiency while simultaneously functioning as a metal deactivator and antioxidant synergist.
Copper Dimethyldithiocarbamate (CUDD) is widely incorporated into natural rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, EPDM, and other specialty elastomer formulations requiring improved aging resistance and long-term durability.
CAS Number: 137-29-1
EC Number: 205-287-8
MDL Number: MFCD00050845
Molecular Formula: C₆H₁₂CuN₂S₄
Molecular Weight: 303.93 g/mol
SYNONYMS:
Copper Dimethyldithiocarbamate, CuDD, Cu(DMDC)₂, Copper Bis(dimethyldithiocarbamate), Bis(dimethyldithiocarbamato)copper(II), Copper(II) Dimethyldithiocarbamate, Copper Dimethyldithiocarbamate Complex, Copper Dimethyldithiocarbamate Chelate, Copper Bis(N,N-dimethyldithiocarbamate), Cupric Dimethyldithiocarbamate, Bis(dimethylcarbamodithioato)copper, Copper Dimethyldithiocarbamate Salt, CDMC, CUMATE, Wolfen, hermatcu, METHYL CUMATE, Compound-4018, Perkacit CDMC, Akrochem Cu.D.D, Bis(dimethylcarbamod, METHYL CUMATE RODFORM, Copper, bis(dimethylcarbamodithioato-S,S')-, (SP-4-1)-, Carbamic acid, dimethyldithio-, copper(ii) salt, Compound-4018, Copper, bis(dimethyldithiocarbamato)-, Copper(II) dimethyldithiocarbamate, Cumate, Wolfen, Akrochem Cu.D.D, Bis(dimethylcarbamodithioato-S,S') copper, Copper dimethyl dithiocarbamate, Perkacit CDMC, copper bis(dimethyldithiocarbamate), bis(dimethyldithiocarbamate)copper, bis(dimethylcarbamothioylthio)copper, Copper,bis(dimethylcarbamodithioato-κS,κS′)-,(SP-4-1)-, Copper,bis(dimethyldithiocarbamato)-, Copper,bis(dimethylcarbamodithioato-S,S′)-,(SP-4-1)-, Carbamodithioic acid,dimethyl-,copper complex,(SP-4-1)-Bis(dimethylcarbamodithioato-κS,κS′)copper, Cumate, Wolfen, Carbamodithioic acid,dimethyl-,copper(2+) salt, Copper dimethyldithiocarbamate, Copper(II) dimethyldithiocarbamate, Dimethyldithiocarbamatocopper, Copper bis(dimethyldithiocarbamate), Copper(2+) dimethyldithiocarbamate, Hermat Cu, Bis(dimethyldithiocarbamato)copper, Bis[N,N-dimethyl(dithiocarbamato-S,S′)]copper, Cupric N,N-dimethyldithiocarbamate, Bis(dimethyldithiocarbamato)copper(II), Nocceler TTCU, NSC 32947, Sanceler TT-CU, Accelerator TTCU, CDDC, 14024-13-6, 14876-43-8, 83073-98-7, Bis[(dimethylcarbamothioyl)sulfanyl]copper, Copper dimethyldithiocarbamate, Copper(II) bis(N,N-dimethylcarbamodithioate), Copper(II) bis(N,N-dimethyldithiocarbamate), Copper(II) bis(dimethyldithiocarbamate)
Copper Dimethyldithiocarbamate (CUDD) is a very powerful primary accelerator and can serve as a secondary booster for
thiazoles & sulphenamides.
Copper Dimethyldithiocarbamate (CUDD) finds use in natural as well as many synthetic rubbers such as SBR, EPDM and butyl.
Copper Dimethyldithiocarbamate (CUDD) in butyl rubber, combines good process safety with a high rate of cure when used
with MBT or its derivatives.
Copper Dimethyldithiocarbamate (CUDD) is not suitable for use in white or light colored compounds as it provides a brown undertone.
However, Copper Dimethyldithiocarbamate (CUDD) is classified as non-staining (migratory) to other products.
Copper Dimethyldithiocarbamate (CuDD) is an organometallic copper complex belonging to the dithiocarbamate family.
Copper Dimethyldithiocarbamate (CUDD) consists of a copper ion coordinated with dimethyldithiocarbamate ligands, forming a highly stable sulfur-containing chelate.
Copper Dimethyldithiocarbamate (CUDD) is widely recognized for its role as a specialty rubber vulcanization accelerator, metal deactivator, antioxidant synergist, and fungicidal agent.
Due to the strong affinity of dithiocarbamate groups for transition metals, Copper Dimethyldithiocarbamate (CUDD) exhibits excellent thermal stability, metal-complexing ability, and resistance to oxidative degradation.
Copper Dimethyldithiocarbamate (CUDD) is one of numerous organometallic compounds.
Organometallics are useful reagent, catalyst, and precursor materials with applications in thin film deposition, industrial chemistry, pharmaceuticals, LED manufacturing, and others.
USES and APPLICATIONS of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
In EPDM rubber, Copper Dimethyldithiocarbamate (CUDD) can provide as an economic substitution of TDEC.
In the rubber industry, Copper Dimethyldithiocarbamate (CUDD) is primarily used as a secondary accelerator and stabilizing additive in sulfur vulcanization systems.
Copper Dimethyldithiocarbamate (CUDD) enhances curing efficiency, improves heat-aging resistance, and contributes to the long-term durability of elastomeric products.
Outside the rubber sector, Copper Dimethyldithiocarbamate (CUDD) has been investigated for agricultural fungicides, catalyst applications, analytical chemistry, coordination chemistry research, and corrosion inhibition because of its strong chelating properties.
Copper Dimethyldithiocarbamate (CUDD) is primarily employed as a specialty rubber chemical in sulfur-vulcanized elastomer systems.
Copper Dimethyldithiocarbamate (CUDD) serves as a secondary vulcanization accelerator that enhances cure efficiency while simultaneously functioning as a metal deactivator and antioxidant synergist.
Copper Dimethyldithiocarbamate (CUDD) is widely incorporated into natural rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, EPDM, and other specialty elastomer formulations requiring improved aging resistance and long-term durability.
Copper Dimethyldithiocarbamate (CUDD) is used in the manufacture of automotive rubber parts, industrial hoses, conveyor belts, seals, gaskets, molded mechanical goods, cable insulation, vibration isolation components, engineering elastomers, and specialty technical rubber products exposed to elevated temperatures or oxidative environments.
Copper Dimethyldithiocarbamate (CUDD)'s ability to reduce catalytic degradation caused by transition metal impurities contributes to improved service life and more stable physical properties during prolonged use.
Outside the rubber industry, Copper Dimethyldithiocarbamate (CUDD) has long been utilized as a fungicide and antimicrobial agent in agricultural and industrial applications.
Copper Dimethyldithiocarbamate (CUDD) has also found use in corrosion inhibition, analytical chemistry, metal extraction processes, catalyst preparation, coordination chemistry research, and laboratory synthesis of sulfur-containing metal complexes.
Because of its strong affinity for heavy metal ions, Copper Dimethyldithiocarbamate (CUDD) has been investigated for environmental remediation, wastewater treatment, and selective metal separation technologies.
In polymer science, Copper Dimethyldithiocarbamate (CUDD) has been studied as a thermal stabilizer and antioxidant additive capable of reducing oxidative degradation in sulfur-containing polymer systems.
Its coordination chemistry also makes Copper Dimethyldithiocarbamate (CUDD) useful as a precursor for preparing copper sulfide nanomaterials, functional coatings, and advanced inorganic materials.
Copper Dimethyldithiocarbamate (CUDD) is used as an ultraaccelerator or vulcanization agent for SBR (styrenebutadiene), IR (polyisoprene isoprene), and EPDM (ethylene-propylene terpolymer) rubbers.
Copper Dimethyldithiocarbamate (CUDD) is often used as a stabilizer/antioxidant for synthetic elastomers or polyethers.
Uses of Copper Dimethyldithiocarbamate (CUDD): Fast vulcanizing agent, with slight rubber dyeability, suitable for NR, SBR, NBR, IIR and EPDM systems, especially suitable for SBR, IIR and EPDM systems.
The vulcanization efficiency is better than TT and PX.
In the thiazole accelerator system, whether Copper Dimethyldithiocarbamate (CUDD) is used alone or as an auxiliary accelerator, its dosage is the smallest.
BENEFITS of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
Copper Dimethyldithiocarbamate (CUDD) provides numerous advantages in both rubber technology and industrial chemistry.
Copper Dimethyldithiocarbamate (CUDD) improves vulcanization efficiency while enhancing the thermal stability, oxidative resistance, and durability of sulfur-cured elastomers.
Copper Dimethyldithiocarbamate (CUDD)'s strong metal-chelating capability helps deactivate trace transition metals that could catalyze premature polymer degradation, thereby extending the service life of finished rubber products.
Copper Dimethyldithiocarbamate (CUDD) contributes to improved heat-aging resistance, reduced oxidative cracking, better retention of tensile strength, enhanced flexibility, and greater stability during prolonged exposure to elevated temperatures.
As a secondary accelerator, Copper Dimethyldithiocarbamate (CUDD) supports balanced cure systems without excessively increasing scorch risk when properly formulated.
Copper Dimethyldithiocarbamate (CUDD)'s fungicidal properties provide additional protection against microbial deterioration in selected industrial applications.
Furthermore, the high chemical stability, low volatility, and excellent storage characteristics make Copper Dimethyldithiocarbamate (CUDD) suitable for demanding manufacturing environments.
In research and materials science, its well-defined coordination chemistry has made Copper Dimethyldithiocarbamate (CUDD) an important compound for investigating metal-sulfur interactions, catalyst development, and functional inorganic materials.
CHARACTERISTICS of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
Copper Dimethyldithiocarbamate (CUDD) is distinguished by its strong coordination between copper ions and dimethyldithiocarbamate ligands, resulting in excellent chemical stability and outstanding metal-chelating properties.
Copper Dimethyldithiocarbamate (CUDD) belongs to the group of metal dithiocarbamates, which are known for combining the properties of transition metals with sulfur-containing ligands to achieve enhanced thermal stability and oxidative resistance.
Within rubber formulations, Copper Dimethyldithiocarbamate (CUDD) functions primarily as a specialty secondary accelerator and stabilizer.
Copper Dimethyldithiocarbamate (CUDD) contributes to efficient sulfur vulcanization while simultaneously protecting rubber compounds against oxidative degradation catalyzed by trace metal contaminants.
Copper Dimethyldithiocarbamate (CUDD) center effectively deactivates catalytic metal ions that could otherwise accelerate polymer degradation, thereby improving long-term heat-aging performance.
Copper Dimethyldithiocarbamate (CUDD) also exhibits intrinsic fungicidal and antimicrobial activity because dithiocarbamates interfere with essential enzyme systems in fungi and microorganisms through metal-binding mechanisms.
In coordination chemistry, Copper Dimethyldithiocarbamate (CUDD) serves as a model metal complex for studying sulfur-metal interactions, ligand exchange reactions, and organometallic crystal structures.
Its high thermal stability and relatively low volatility make Copper Dimethyldithiocarbamate (CUDD) suitable for industrial applications requiring durable performance under demanding operating conditions.
PHYSICAL and CHEMICAL PROPERTIES of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
Molecular formula: C₆H₁₂CuN₂S₄
Molecular weight: 303.93 g/mol
Appearance: Dark brown to black crystalline powder
Physical state: Solid
Color: Brown, dark brown, dark green, or black depending on purity and particle size
Odor: Slight sulfur-like odor or practically odorless
Crystal structure: Crystalline coordination compound
Melting point: Decomposes before melting (approximately 230–260°C)
Boiling point: Not applicable; decomposes upon heating
Density: Approximately 1.70–1.90 g/cm³
Bulk density: Approximately 0.60–0.90 g/cm³
Water solubility: Practically insoluble
Solubility in ethanol: Slightly soluble
Solubility in acetone: Slightly soluble
Solubility in chloroform: Slightly soluble
Solubility in benzene: Slightly soluble
Solubility in aromatic hydrocarbons: Limited
Solubility in dilute acids: Decomposes gradually
Vapor pressure: Negligible at room temperature
Flash point: Not applicable
Auto-ignition temperature: Not well established
Thermal stability: Good under normal processing conditions
Moisture sensitivity: Low
Oxidation stability: Excellent under recommended storage conditions
UV stability: Good
Decomposition products: Copper oxides, sulfur oxides (SOₓ), carbon oxides (CO and CO₂), nitrogen oxides (NOₓ), sulfur-containing organic compounds
Exact mass: 302.890 Da
Hydrogen bond acceptors: 4
Hydrogen bond donors: 0
Rotatable bonds: 2
Topological Polar Surface Area (TPSA): Approximately 116 Ų
Heavy atom count: 13
Coordination geometry: Square planar around Cu(II) in most crystalline forms
Metal oxidation state: Copper(II)
Chemical class: Organometallic dithiocarbamate complex
Chelating ability: Very high toward transition metal ions
Sulfur content: High
Cure activity: Secondary sulfur vulcanization accelerator
Dispersion in rubber: Good with proper mixing
Compatibility: Compatible with sulfur curing systems and numerous commercial rubber accelerators
Storage stability: Excellent when stored in tightly sealed containers
Shelf life: Typically two years or longer under recommended storage conditions
Chemical Name: Copper Dimethyldithiocarbamate
Common Abbreviation: CuDD
CAS Number: 137-29-1
EC Number: 205-287-8
Molecular Formula: C₆H₁₂CuN₂S₄
Molecular Weight: 303.93 g/mol
CBNumber: CB0280976
Molecular Formula: C6H12CuN2S4
Molecular Weight: 303.98
MDL Number: MFCD00050845
MOL File: 137-29-1.mol
Melting point: 260°C
Boiling point: 415.51°C (estimate)
Density: 1,75 g/cm3
vapor pressure: 0Pa at 25℃
form: powder to crystal
color: Orange to Amber to Dark red
Specific Gravity: 1.75
Hydrolytic Sensitivity: 4: no reaction with water under neutral conditions
InChI: InChI=1S/2C3H7NS2.Cu/c21-4(2)3(5)6;/h21-2H3,(H,5,6);/q;;+2/p-2
InChIKey: ZOUQIAGHKFLHIA-UHFFFAOYSA-L
SMILES: C(=S)(S[Cu]SC(=S)N(C)C)N(C)C
LogP: 4.55
CAS DataBase Reference: 137-29-1(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances: COPPER DIMETHYLDITHIOCARBAMATE
FDA 21 CFR: 177.2600
EWG's Food Scores: 1
FDA UNII: F3D0AX36Y9
NIST Chemistry Reference: Bis(dimethyldithiocarbamato) copper complex(137-29-1)
EPA Substance Registry System: Copper dimethyldithiocarbamate (137-29-1)
Molecular Formula / Molecular Weight: C6H12CuN2S4 = 303.96
Physical State (20 deg.C): Solid
Storage Temperature: Room Temperature (Recommended in a cool and dark place, <15°C)
CAS RN: 137-29-1
Reaxys Registry Number: 3915474
PubChem Substance ID: 87567601
MDL Number: MFCD00050845
Linear Formula: C6H12N2S4Cu1
CAS Number: 137-29-1
Molecular Weight: 303.98
MDL number: MFCD00050845
Molecular Weight: 303.98
Exact Mass: 302.917938
EC Number: 205-287-8
UNII: F3D0AX36Y9
DSSTox ID: DTXSID2020345
PSA: 121.26000
XLogP3: 2.05830
Appearance: Brown powder
Density: 1.75 g/cm3
Melting Point: 260 °C (decomp)
Boiling Point: 129.4ºC at 760mmHg
Flash Point: 32ºC
Molecular Weight: 304.0
Hydrogen Bond Acceptor Count: 4
Exact Mass: 302.917930
Monoisotopic Mass: 302.917930
Topological Polar Surface Area: 72.7
Heavy Atom Count: 13
Complexity: 54.3
Covalently-Bonded Unit Count: 3
Compound Is Canonicalized: Yes
CAS: 137-29-1
Molecular Formula: C6H12CuN2S4
Molecular Weight (g/mol): 303.962
MDL Number: MFCD00050845
InChI Key: ZOUQIAGHKFLHIA-UHFFFAOYSA-L
Synonym: Dimethyldithiocarbamic Acid Copper(II) Salt
PubChem CID: 472181
IUPAC Name: copper;N,N-dimethylcarbamodithioate
SMILES: CN(C)C(=S)[S-].CN(C)C(=S)[S-].[Cu+2]
UN Number: 3077
Formula Weight: 303.96
Percent Purity: ≥98.0% (T)
Physical Form: Crystalline Powder
Chemical Name or Material: Copper(II) Dimethyldithiocarbamate
FIRST AID MEASURES of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of COPPER DIMETHYLDITHIOCARBAMATE (CUDD):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
