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Product Name: Ethylene Sulfone
Chemical Formula: C2H4O2S
Synonyms: 1,2-Ethylene Sulfone, Ethene Sulfone, Ethylene Episulfone
CAS Number: 110-15-6
Recommended Use: Used as intermediate in organic synthesis, specialty chemical manufacturing
Supplier Details: Enter supplier address, emergency telephone numbers, and responsible contact
Emergency Phone: 24-hour chemical emergency contact for spills, leaks, or exposures
Classification: Flammable liquid and vapor; Acute toxicity (oral, dermal, inhalation); Skin and eye irritant; Possible carcinogen; Serious health risk on high or chronic exposure
Hazard Statements: Harmful if swallowed, inhaled, or absorbed. Causes serious skin and eye irritation. May cause organ damage after repeated exposure.
Pictograms: Flame, exclamation mark, health hazard, corrosive
Signal Word: Danger
Precautionary Statements: Avoid breathing fumes or vapors. Wash skin thoroughly after handling. Wear protective gloves, clothing, and eye/face protection. Use only in well-ventilated areas. Keep away from heat, sparks, flames. Store locked up.
Chemical Name: Ethylene Sulfone
Concentration: ≥ 97% pure
Other Ingredients: Inert stabilizers or contaminants (if present) below 1%
Impurities: Disclose if any known hazardous impurities reaching regulatory thresholds
Molecular Weight: 92.12 g/mol
Inhalation: Move to fresh air immediately. If symptoms like coughing, dizziness, or shortness of breath occur, get medical attention. Provide oxygen or artificial respiration if needed.
Skin Contact: Remove contaminated clothing and shoes. Rinse skin thoroughly with water for at least 15 minutes. Seek prompt medical attention for irritation or burns.
Eye Contact: Rinse cautiously with water for 20 minutes, holding eyelids apart. Remove contact lenses if present. Urgently call a doctor.
Ingestion: Do not induce vomiting. Wash out mouth with water. Give victim water to drink if conscious, then get emergency medical help. Symptoms may be delayed—observe carefully.
Suitable Extinguishing Media: Use dry chemical, CO2, alcohol-resistant foam, or water spray
Unsuitable Extinguishing Media: Avoid strong water jets due to potential spreading of fire
Hazardous Combustion Products: Burns can produce carbon monoxide, carbon dioxide, sulfur oxides, and other toxic gases
Protective Equipment: Firefighters need self-contained breathing apparatus and full protective gear to guard against fumes
Fire Hazards: Vapors can form explosive mixtures with air. Containers may explode when heated.
Special Procedures: Cool storage with water spray, remove unaffected containers if safe, evacuate area quickly.
Personal Precautions: Evacuate area, ventilate the space, avoid dust or vapor inhalation. Wear protective equipment, restrict access until cleanup is complete
Environmental Precautions: Prevent spills from entering drains, waterways, or sewers. Notify environmental authorities if contamination reaches water sources
Containment: Stop leak if safe to do so, use non-sparking tools, contain spill with inert absorbent material (sand, earth)
Cleanup Methods: Shovel or sweep into approved waste containers for proper disposal. Ventilate area, wash with water and detergent. Decontaminate equipment.
Handling: Work with good ventilation, ground equipment to prevent static discharge, avoid breathing mist or vapors, minimize splashing and direct contact. Do not eat, drink or smoke in the use area. Wash hands thoroughly after handling.
Storage: Keep container tightly closed in a cool, dry, and well-ventilated location. Store separately from incompatible materials like acids, bases, oxidizers. Protect from moisture and direct sunlight. Store in original containers with secondary containment. Label all containers clearly.
Occupational Exposure Limits: Check local and international guidelines for established limits.
Engineering Controls: Use fume hoods, local exhaust ventilation, and explosion-proof electrical equipment.
Personal Protective Equipment: Chemical-resistant gloves (e.g., nitrile), full-body protective suit, chemical safety goggles, and face shield. Use respiratory protection in inadequately ventilated areas or during cleanup.
Hygiene Measures: Remove soiled clothing, wash hands before eating or drinking, keep eye wash and emergency shower stations nearby.
Environmental Controls: Prevent chemical from entering environment through proper procedures.
Appearance: Colorless to pale yellow liquid
Odor: Strong, choking, unpleasant smell
Melting Point: -42°C
Boiling Point: 158°C
Flash Point: 49°C (closed cup)
Flammability: Flammable liquid
Vapor Pressure: 2.9 mmHg @ 25°C
Solubility: Soluble in water, alcohol, common solvents
Density: 1.28 g/cm³ @ 25°C
pH: Not applicable (neutral molecule)
Partition Coefficient (n-octanol/water): Available in technical literature
Viscosity: Low to moderate, depends on impurities and temperature
Chemical Stability: Stable under normal conditions and proper storage. Decomposes rapidly when exposed to heat, moisture, acids, or bases
Reactivity: Reacts vigorously with strong oxidizers, strong acids, strong bases, and water. May polymerize under certain conditions.
Conditions to Avoid: High temperatures, open flame, ignition sources, incompatible chemicals
Hazardous Decomposition: Releases sulfur oxides, toxic fumes, carbon monoxide, and carbon dioxide under combustion or prolonged heat
Polymerization: Uncontrolled polymerization may occur when contaminated or incorrectly handled
Acute Toxicity: Harmful by ingestion, inhalation, and skin contact—has caused organ damage in animal studies
Skin Irritation: Causes redness, pain, blistering with prolonged exposure
Eye Damage: Causes severe irritation, redness, blurred vision—risk of permanent damage
Chronic Effects: Long-term exposure increases risk of liver, kidney, and central nervous system impacts, possibly cancer
Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Symptoms: Cough, headache, nausea, dizziness, skin burns, eye pain, respiratory distress
Sensitization: Some evidence for respiratory or skin sensitizer in sensitive individuals
Ecotoxicity: Harmful to aquatic life, toxic to fish and invertebrates, can cause long-term effects in the aquatic environment
Persistence and Degradability: Partially biodegradable, but persistent residues may remain in soil and water
Bioaccumulation: Low to moderate bioaccumulation risk, may concentrate in exposed organisms over time
Mobility in Soil: Moderate mobility; can leach to groundwater if spilled on permeable ground
Other Adverse Effects: Report to local authorities if large releases threaten the environment
Disposal Methods: Use licensed hazardous waste contractors. Incinerate in a chemical incinerator equipped with scrubbers. Chemical must not be disposed of into the environment or drains
Contaminated Packaging: Triple rinse containers before disposal or offer for reconditioning. Label tanks and drums as hazardous.
Special Precautions: Understand regional and national hazardous waste regulations before disposal.
Disposal Code: Reference to appropriate RCRA or international waste codes for hazardous chemicals
UN Number: UN 2810
UN Proper Shipping Name: Toxic Liquid, Organic, N.O.S. (Ethylene sulfone)
Transport Hazard Classes: 6.1 (Toxic substances)
Packing Group: II
Labeling Requirements: Toxic (skull and crossbones), flammable (flame symbol)
Hazard Identification Number: 60
Special Transport Precautions: Secure tightly, avoid temperature extremes, transport with full declaration and emergency info
Environmental Hazards: Classified as dangerous for the environment during transport
Regulatory Listings: Subject to US TSCA, EU REACH, Canadian DSL/NDSL reporting requirements
Labeling Requirements: Complies with OSHA hazard communication standards and EU CLP regulations
Other Regulations: May fall under SARA Title III, CERCLA, and state-specific release reporting mandates. Export/import restrictions may apply depending on jurisdiction. Consult all relevant workplace exposure regulations and environmental emission limits.
Worker Right-to-Know: All employees must receive full training and access to safety data information
Other Standards: Follow any industry-specific requirements published by NIOSH, ACGIH, or international authorities
