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Product Name: O-Ethyl-S,S-Dipropyldithiophosphate
Chemical Family: Organophosphorus compound
Common Synonyms: O-Ethyl dipropyldithiophosphate
Uses: Reagent in industrial flotation, metal extraction processes
Supplier Details: Manufacturers or distributors provide contact information on product label
Emergency Contact: Refer to local emergency services or supplier-specific emergency phone
CAS Number: 3878-19-1
UN Number: 3077
Hazard Classification: Acute Toxicity - Oral Category 4, Skin Irritation Category 2, Eye Irritation Category 2A
Pictograms: Exclamation mark
Signal Word: Warning
Hazard Statements: Harmful if swallowed; Causes skin and eye irritation
Precautionary Statements: Avoid breathing dust or vapors; Use personal protective equipment; Wash skin thoroughly after handling
Routes of Exposure: Inhalation, ingestion, skin, eyes
Potential Health Effects: May cause headaches, dizziness, nausea, or allergic responses on contact with skin or eyes
Environmental Hazards: Toxic to aquatic life with long lasting effects
Chemical Identity: O-Ethyl-S,S-Dipropyldithiophosphate
CAS Number: 3878-19-1
Concentration: Typically above 90% (commercial grade), remaining part is usually inert substances or impurities from manufacturing
Impurities: Detailed specifics vary depending on the manufacturing process
Inhalation: Remove to fresh air, monitor breathing, seek medical advice for breathing difficulty
Skin Contact: Remove contaminated clothing, wash skin with mild soap and plenty of water
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do, continue rinsing
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical attention
Note to Physicians: Treat symptomatically, monitor for delayed symptoms
Suitable Extinguishing Media: Use foam, dry chemical powder, or carbon dioxide; avoid water streams on product spills
Specific Hazards: May emit toxic gases such as phosphorus oxides, sulfur oxides under fire conditions
Protective Equipment for Firefighters: Full protective gear, self-contained breathing apparatus
Special Procedures: Avoid inhaling vapors or runoff from fire control
Personal Precautions: Wear protective gloves, goggles, and suitable clothing; ventilate area
Spill Cleanup Methods: Absorb spill with inert material such as sand or earth; place in labeled, leak-proof containers for disposal
Environmental Precautions: Do not release to sewers or waterways; prevent product from entering drains
Decontamination: Wash spill area with water and detergent after material pick-up
Safe Handling Practices: Avoid contact with skin, eyes, and clothing; prevent generation of dusts or vapors; wash hands after use
Technical Measures: Handle in a well-ventilated place; use equipment to minimize dust and vapor formation
Safe Storage Conditions: Keep in tightly closed containers, store away from direct sunlight, oxidizing agents, food, and feedstuffs
Incompatible Materials: Oxidizing and reducing agents, acids, alkali
Special Advice: Do not reuse containers; label appropriately after transfer
Occupational Exposure Limits: No established limits for this compound, follow good hygienic practices
Engineering Controls: Local exhaust ventilation, eye wash stations, accessible safety showers
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), splash-proof safety goggles, protective clothing, respiratory protection if dust/vapor concentrations exceed guidance
Hygiene Measures: Remove contaminated clothing, wash hands before eating or drinking
Physical State: Liquid or oily substance (dependent on formulation)
Color: Yellow to brownish
Odor: Characteristic mercaptan or sulfurous odor
pH: Not applicable for neat product
Melting Point: -10 to -5°C
Boiling Range: 130–150°C (decomposes)
Flash Point: Above 70°C (closed cup)
Vapor Pressure: Low at ambient temperatures
Solubility: Insoluble or slightly soluble in water; soluble in organic solvents
Density: About 1.08–1.12 g/cm³
Viscosity: Depends on temperature; generally moderate
Chemical Stability: Stable under recommended handling and storage conditions
Thermal Decomposition: Decomposes on heating, producing toxic gases
Conditions to Avoid: Heat, open flames, sources of ignition, prolonged exposure to air or moisture
Incompatible Substances: Strong oxidizers, acids, and bases
Polymerization: Not expected under normal conditions
Hazardous Decomposition Products: Sulfur oxides, phosphorus oxides, hydrocarbons
Acute Oral Toxicity: LD50 (rat) around 300–2000 mg/kg
Acute Dermal Toxicity: Moderate irritation can occur; prolonged contact may provoke allergic reactions
Respiratory Sensitization: Inhalation of mists or vapors causes respiratory irritation
Eye Irritation: Temporary pain, redness, swelling if splashed
Chronic Exposure: Not fully studied, but possible liver and kidney effects from repeated high exposure
Carcinogenicity: No classification by IARC or NTP
Mutagenicity: No relevant data found
Reproductive Effects: Not indicated in standard literature
Potential Human Symptoms: Headache, dizziness, skin redness, nausea following exposure
Aquatic Toxicity: Harmful to aquatic organisms; LC50 (fish) values range from 1–10 mg/L
Persistence and Degradability: Not readily biodegradable; long-term persistence expected in soils and sediments
Bioaccumulative Potential: Potential for accumulation in aquatic organisms
Mobility in Soil: Moderate to low mobility depending on soil type
Other Adverse Effects: Contaminates waterways, affects aquatic life and may disrupt food chains
Waste Treatment Methods: Dispose through licensed hazardous waste contractor
Product Disposal: Incinerate or landfill complying with local and national regulations
Contaminated Packaging: Rinse thoroughly then offer for appropriate recycling or disposal
Environmental Release: Prevent unintentional release to water systems or open environment
Special Considerations: Do not pour unused product into public sewers or natural waterways
UN Number: 3077
Shipping Name: Environmentally hazardous substance, liquid, n.o.s. (O-Ethyl-S,S-dipropyldithiophosphate)
Transport Hazard Class: 9 (Miscellaneous dangerous substances)
Packing Group: III
Labeling Requirements: Marine pollutant mark, miscellaneous hazard label
Transport Method: Ship in compliance with local and international regulations (IMDG, IATA, ADR)
Precautions: Protect from physical damage and moisture, keep containers upright at all times
Global Inventory Status: Registered under various national chemical inventories
OSHA Classification: Hazardous chemical as defined by OSHA Hazard Communication Standard
EPA: Designated hazardous substance; subject to flammability, reactivity, and aquatic toxicity regulations
Restrictions: Use and disposal may be restricted or regulated in certain countries
Other Requirements: Ensure labeling and Safety Data Sheets (SDS) meet regional legal requirements—review local, state, or national standards periodically
