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Material Safety Data Sheet: S-Ethylsulfinylmethyl-O,O-Diisopropyldithiophosphate

Identification

Product Name: S-Ethylsulfinylmethyl-O,O-Diisopropyldithiophosphate
Chemical Family: Organophosphorus compound
Recommended Use: Pesticide, insecticide, or industrial chemical depending on context
Manufacturer Information: Manufacturer details available upon direct inquiry, typically involving organizations specializing in agrochemical synthesis or chemical supply
Emergency Numbers: National Poison Control or local emergency medical services
SDS Number: Specific SDS sequence provided by supplier

Hazard Identification

GHS Classification: Acute toxicity (oral), skin irritation, serious eye damage, aquatic toxicity
Signal Word: Danger
Hazard Statements: Toxic if swallowed, causes severe skin burns and eye damage, harmful to aquatic life with long lasting effects
Precautionary Statements: Wear protective gloves, wash exposed skin thoroughly, avoid release to the environment
Routes of Exposure: Skin contact, ingestion, inhalation
Potential Health Effects: Headache, nausea, respiratory distress, vision damage, organ damage upon chronic exposure

Composition / Information on Ingredients

CAS Number: Provided by manufacturer per batch
Chemical Name: S-Ethylsulfinylmethyl-O,O-Diisopropyldithiophosphate
Concentration: 96-99% active ingredient
Impurities: Typically present in concentrations less than 1%, proprietary or synthesis-dependent
Other Components: Trace solvents or inert compounds may occur depending on production process

First Aid Measures

Inhalation: Move affected individual to fresh air, keep at rest, seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water for at least 15 minutes
Eye Contact: Rinse eyes with water for several minutes, do not let victim rub eyes, seek immediate medical care
Ingestion: Do not induce vomiting, rinse mouth with water, provide water to drink only if individual is alert, seek immediate medical attention
Symptoms: Burning sensation, coughing, dizziness, abdominal pain, chemical burns

Fire-Fighting Measures

Suitable Extinguishing Media: Foam, dry chemical, carbon dioxide, water spray (avoid water jets to prevent spread)
Special Hazards: Formation of toxic gases including phosphorous oxides, sulfur oxides, and oxides of carbon
Protective Equipment: Self-contained breathing apparatus, full protective gear
Procedures: Isolate fire scene, prevent contaminated runoff from entering waterways or sewers
Fire Residue Handling: Use tools to remove debris, restrict access to untrained personnel

Accidental Release Measures

Personal Precautions: Avoid inhalation or skin contact, ventilate the area, evacuate unnecessary personnel
Environmental Precautions: Prevent leaching into soil, water sources or drains
Methods for Clean-Up: Contain spill with inert absorbent (sand, earth, vermiculite), collect into suitable containers for disposal
Disposal of Spilled Material: Dispose in accordance with local regulations, avoid creation of dust or aerosols
Decontamination: Wash area with copious amounts of water and detergent following removal of bulk material

Handling and Storage

Safe Handling: Avoid breathing vapors or mists, use only in well-ventilated areas, wash thoroughly after handling
Storage Conditions: Keep container tightly closed in a cool, dry, well-ventilated location, away from direct sunlight and incompatible substances like acids or oxidizers
Technical Measures: Use explosion-proof equipment, ground all containers, provide secondary containment
Incompatibilities: Strong oxidizing agents, strong bases, strong acids
Specific End Uses: Restricted to professional or industrial settings according to product labeling and licensing

Exposure Controls and Personal Protection

Engineering Controls: Local exhaust, general mechanical ventilation, closed system operations
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), goggles or face shield, impermeable apron or suit, respiratory protection if exposure limits exceeded
Personal Hygiene: Avoid eating, drinking, or smoking in work area; wash hands after handling; immediately change contaminated clothing
Exposure Limits: Occupational exposure limits not universally established, follow local guidelines if available
Environmental Controls: Prevent release to environment via secondary containment or treatment systems

Physical and Chemical Properties

Appearance: Oily liquid or viscous substance, color varies from pale yellow to brown
Odor: Pungent, sulfurous
Melting/Freezing Point: Data varies by purity, typically below room temperature
Boiling Point: Decomposes before boiling
Vapor Pressure: Low at ambient conditions
Solubility in Water: Practically insoluble
Density: Around 1.1–1.2 g/cm³
pH: Not applicable for neat substance
Flash Point: Over 100°C, check batch documentation for specifics
Explosive Properties: Not considered explosive under normal conditions

Stability and Reactivity

Chemical Stability: Stable under specified handling and storage conditions
Reactivity: May react with strong oxidizers producing hazardous decomposition products
Decomposition Products: Phosphorous compounds, sulfur oxides, irritant gases
Conditions To Avoid: Excessive heat, open flames, exposure to moisture
Polymerization: No hazardous polymerization known
Incompatibilities: Contact with acids, strong bases, or oxidizers may cause violent reactions

Toxicological Information

Acute Toxicity: Oral: LD50 in rats typically below 300 mg/kg, moderately to highly toxic category
Skin Corrosion/Irritation: Causes irritation to burns with prolonged or repeated exposure
Eye Damage/Irritation: Severe irritation, risk of irreversible effects
Respiratory Sensitization: Symptoms may include coughing, difficulty breathing, headache
Chronic Effects: Risk of liver, kidney, or neurological injury with repeated or prolonged high-level exposure
Carcinogenicity: Not listed by IARC, NTP, OSHA as a known carcinogen
Other Data: No known teratogenicity or mutagenicity in standard animal models, but long-term effects not fully understood

Ecological Information

Ecotoxicity: Highly toxic to aquatic organisms, may cause long-term damage to aquatic environments
Persistence and Degradability: Low to moderate mineralization rate in the environment, may be persistent in sediment
Bioaccumulative Potential: Potential for accumulation in aquatic or terrestrial organisms
Mobility in Soil: Binds to soil particles, low leaching expected, but may migrate during heavy rain or flooding
Other Adverse Effects: Avoid dispersal in natural water systems, agricultural runoff concern

Disposal Considerations

Disposal Methods: Incineration at approved facilities, or landfilling following chemical treatment and approval from environmental authorities
Container Disposal: Triple rinse containers, puncture to prevent reuse, dispose or recycle per local and national regulations
Sewage Disposal: Avoid disposal in municipal sewage systems
Classification: Listed hazardous waste in many regions

Transport Information

UN Number: Typically UN 2783 or similar classification (toxic liquid, organophosphorus, not otherwise specified)
Transport Hazard Class: Class 6.1 (toxic substances)
Packing Group: Group II or III based on concentration and toxicity
Labeling: Poison/Toxic, Environmentally Hazardous Substance
Shipping Name: Organophosphorus Pesticide, Liquid, Toxic
Special Precautions: Avoid freight with food, animal feed, or direct sunlight exposure during transit

Regulatory Information

Occupational Regulations: Referenced by OSHA, ACGIH, and analogous agencies in other jurisdictions for workplace exposure
Environmental Regulations: Covered under FIFRA, TSCA, REACH, or comparable mandates depending on region
Hazard Communication: SDS mandatory for workplace handling
Use Restrictions: Use and distribution may require government licensing, banned or restricted in some countries
Labeling Requirements: Toxic, environmental hazard pictograms, signal word, and chemical identification required
Reporting: Immediate reporting required in event of significant spill or exposure incident per EPA or local equivalents