Product Name: Di(Morpholin-4-Yl) Disulphide
Synonyms: 4,4'-Dithiobis(Morpholine), Di(4-morpholinyl) Disulfide
Chemical Formula: C8H16N2O2S2
Recommended Use: Industrial applications such as rubber accelerators and additives
Manufacturer: Chemical specialty supplier contact required for details
Emergency Contact Number: Refer to local emergency response centers or manufacturer
Classification: Eye Irritation (Category 2), Skin Sensitization (Category 1), Specific Target Organ Toxicity — Single Exposure (Category 3)
Signal Word: Warning
Pictogram: Exclamation Mark
Hazard Statements: Causes serious eye irritation; may cause an allergic skin reaction; may cause respiratory irritation
Precautionary Statements: Avoid breathing dust or fumes; wear protective gloves and safety goggles; wash thoroughly after handling; avoid release to environment
Routes of Exposure: Inhalation, skin and eye contact
Target Organs: Eyes, skin, respiratory system
Chemical Name: Di(Morpholin-4-Yl) Disulphide
CAS Number: 2491-84-5
EC Number: 219-653-5
Impurities or Stabilizing Additives: Typically less than 2% other organic compounds or residual solvents
Concentration: Greater than 98%
Inhalation: Move affected person to fresh air; keep person calm; seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing; wash skin thoroughly with soap and water; seek medical help if rash or irritation develops
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses; continue rinsing and get medical advice
Ingestion: Rinse mouth with water; do not induce vomiting; seek immediate medical attention
Most Important Symptoms: Irritation, redness, allergic reactions
Medical Attention/Special Treatment: Symptomatic treatment with specific care for allergic reactions or respiratory complications
Suitable Extinguishing Media: Use water spray, dry chemical, foam, or carbon dioxide
Unsuitable Extinguishing Media: High-pressure water jets
Specific Hazards: Thermal decomposition may yield toxic sulfur oxides and nitrogen compounds
Protective Equipment: Firefighters need self-contained breathing apparatus and full protective clothing
Advice for Firefighters: Evacuate area, use water spray to cool containers, avoid inhalation of combustion products
Personal Precautions: Wear chemical-resistant gloves, safety goggles, and dust mask; avoid skin and eye contact
Environmental Precautions: Prevent entry into sewage and water bodies; inform authorities if large spills occur
Containment Methods: Collect spillage using non-sparking tools; sweep up and place in labeled containers for disposal
Clean-Up Procedures: Wash area with plenty of water after removal of bulk material
Safe Handling: Handle under local exhaust; avoid breathable dust; use personal protection as recommended
Storage Conditions: Store in tightly closed containers in a well-ventilated, dry area away from sunlight and incompatible materials like oxidizers
Incompatible Materials: Avoid strong acids, strong bases, and oxidizing agents
Storage Temperature: Maintain at room temperature, avoid excessive heat
Specific End Uses: For industrial use by trained professionals only
Engineering Controls: Work in well-ventilated area with local exhaust; use closed systems where feasible
Respiratory Protection: Use NIOSH-approved dust respirator if airborne concentration increases
Hand Protection: Wear chemical-resistant gloves such as nitrile or neoprene
Eye Protection: Chemical safety goggles with side shields
Skin Protection: Long-sleeved, chemical-resistant clothing
Environmental Controls: Keep material out of drains and natural water sources as much as possible
Appearance: Off-white to yellowish powder or crystalline solid
Odor: Mild or characteristic amine-like
Melting Point: Approximately 107-110°C
Boiling Point: Decomposes before boiling
Solubility: Slightly soluble in water; soluble in ethanol and common organic solvents
Vapor Pressure: Low at ambient temperature
Relative Density: 1.27 g/cm3 at 20°C
pH: Not applicable
Partition Coefficient (log Kow): Data not available
Flash Point: > 210°C (closed cup)
Auto-ignition Temperature: Not determined
Evaporation Rate: Negligible at room temperature
Chemical Stability: Stable under recommended conditions
Reactivity: No hazardous reactions if stored properly
Hazardous Reactions: Contact with strong oxidizers can cause exothermic reaction
Conditions to Avoid: High temperatures, exposure to sunlight, strong oxidizing materials
Decomposition Products: Sulfur oxides, nitrogen oxides, carbon monoxide, and carbon dioxide on burning or decomposition
Acute Toxicity: Oral LD50 (rat) greater than 2000 mg/kg
Skin Corrosion/Irritation: May cause mild to moderate irritation
Serious Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitization: May cause respiratory symptoms for sensitive individuals
Skin Sensitization: Possible allergic reactions in predisposed individuals
Germ Cell Mutagenicity: Data not available
Carcinogenicity: No evidence of carcinogenicity from available data
Reproductive Toxicity: No evidence of negative effects
Repeated Dose Toxicity: Long-term exposure to dust may cause effects on lungs and skin
Aquatic Toxicity: Expected to be moderately harmful to aquatic organisms based on similar compounds
Persistence and Degradability: Degradation in environment possible but may be slow
Bioaccumulative Potential: Low-moderate; bioaccumulation unlikely but chronic impacts possible
Mobility in Soil: Limited due to low solubility in water
Other Adverse Effects: Disulfide group can interfere with microbial activity in soil and water; avoid uncontrolled environmental release
Waste Treatment Methods: Dispose as hazardous waste according to local and national regulations
Methods of Disposal: Incinerate only in approved facilities; do not allow product or residues to enter watercourses
Contaminated Packaging: Triple-rinse and dispose of containers as hazardous waste or return to supplier for recycling
UN Number: Not regulated under current UN transport guidelines
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant according to IMDG Code
Special Precautions: Ensure packaging is secure, dry, and properly labeled during transport
OSHA Status: Not listed as hazardous under US Occupational Safety and Health standards, but general duty to protect applies
TSCA Inventory: Listed or exempted
EU Regulation: Managed under REACH; safety data sheet required
WHMIS Classification: Uncontrolled product in Canada but recommend basic precautions
Restrictions: Not for consumer use; for industrial-professional users only
Other Regulations: Check local, state, and national regulations for specific requirements and restrictions regarding use, disposal, and reporting
