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Product Name: Dilauryl Thiodipropionate
Chemical Formula: C30H58O4S
CAS Number: 123-28-4
Synonyms: Bis(lauryl)thiodipropionate, DLTP
Recommended Use: Antioxidant in plastics, rubber, and lubricants
Supplier Information: Details vary based on supplier, should include address, emergency phone number, and contact for technical inquiries.
Classification: Not classified as hazardous under GHS criteria
Physical Hazards: May cause dust explosion if handled as a powder in large quantities
Health Hazards: May cause mild skin or eye irritation
Environmental Hazards: Product persists in the environment and can be harmful to aquatic organisms under conditions of extensive contamination
Warning Symbols: Eye irritation (mild), skin sensitivity (rare)
Signal Word: None required under standard classification
Hazard Statements: Can form dust clouds; direct contact may result in minor irritation
Precautionary Statements: Avoid breathing dust, avoid prolonged or repeated contact with skin and eyes, use local exhaust ventilation where handling large amounts
Chemical Name: Dilauryl Thiodipropionate
CAS Number: 123-28-4
Percent (Weight): 99% minimum
Impurities: May contain trace levels of lauryl alcohol and residual acids below 1%
Molecular Weight: 522.85 g/mol
Physical Form: White to off-white crystalline powder
Eye Contact: Rinse cautiously with water for at least 15 minutes; remove contact lenses if present and easy to do; seek medical attention if irritation develops
Skin Contact: Remove contaminated clothing; wash with mild soap and water; seek treatment if irritation persists
Inhalation: Move to fresh air; keep victim at rest in a position comfortable for breathing; get medical help if symptoms appear
Ingestion: Rinse mouth with water; seek medical advice if large amounts swallowed or discomfort occurs
Most Important Symptoms: Mild, temporary eye or skin irritation; respiratory discomfort after dust exposure
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Specific Hazards: Dust may form explosive mixture with air; decomposition may release carbon oxides, sulfur oxides
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective gear
Special Procedures: Control runoff water; contain for proper disposal; regular extinguishing agents help prevent spread of fire
Personal Precautions: Wear eye protection, protective gloves, dust mask; avoid generating and breathing dust
Environmental Precautions: Prevent release into drains, surface water, and soil
Clean-up Methods: Sweep up or vacuum without creating dust; place in compatible container for disposal; wash down area with water after bulk removal; ventilate area
Handling: Use in well-ventilated area; minimize dust generation; avoid contact with eyes, skin, and clothing; wash hands after use
Storage Conditions: Store in tightly closed container; keep in dry, cool, and well-ventilated place; separate from oxidizers and strong acids
Packaging Materials: Use original container or corrosion-resistant packaging
Exposure Limits: No official occupational exposure limit assigned; general dust limit (e.g., OSHA PEL: 15 mg/m³ total dust, 5 mg/m³ respirable fraction for nuisance dust)
Engineering Controls: Local exhaust ventilation or dust collection recommended
Personal Protective Equipment:
Eye Protection: Safety glasses or goggles
Hand Protection: Chemical-resistant gloves (nitrile, PVC)
Respiratory Protection: Disposable dust mask for poor ventilation or high dust situations
Skin Protection: Protective clothing as needed to prevent skin contact
Appearance: Solid, white to off-white powder
Odor: Faint, characteristic odor
Melting Point: 39–43°C
Boiling Point: Not available (decomposes)
Flash Point: >200°C (closed cup)
Solubility: Insoluble in water; soluble in organic solvents (e.g., chloroform, toluene)
Density: Approximately 0.98 g/cm³
Vapor Pressure: Negligible at ambient temperature
pH: Not applicable for solid
Partition Coefficient (log Kow): Estimated >8
Chemical Stability: Stable under recommended storage conditions
Conditions to Avoid: Open flames, high heat, sources of ignition, strong oxidizing agents
Hazardous Reactions: May react with oxidizers; no polymerization hazard
Decomposition Products: Forms carbon oxides, sulfur oxides on decomposition
Reactivity: No significant reactivity under standard use and handling
Acute Toxicity: Low toxicity by oral, dermal, and inhalation routes
LD50 (oral, rat): >5,000 mg/kg
Skin Irritation: Mild irritation possible after prolonged or repeated contact
Eye Irritation: Mild, temporary irritation
Respiratory Effects: Dust inhalation may cause upper respiratory irritation
Sensitization: Not expected to cause skin sensitization
Chronic Effects: No evidence of carcinogenicity, mutagenicity, or reproductive toxicity
Target Organs: None identified from current data
Ecotoxicity: Low toxicity to aquatic life based on low water solubility
Persistence: Resistant to rapid biodegradation; can persist in soil and sediment
Bioaccumulation: High potential due to lipophilic nature (log Kow >8)
Mobility: Not mobile in soil; binds strongly to organic matter
Other adverse effects: Product release in large quantities may pose a risk to local watercourses over time
Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations; use licensed chemical waste contractor
Contaminated Packaging: Rinse thoroughly before recycling or disposal; dispose in accordance with official guidance
Precautions: Prevent release of dust during handling and transport to disposal site; avoid landfill when practical by using incineration at licensed facility
UN Number: Not regulated under international transport regulations
Proper Shipping Name: Not classified as dangerous
Transport Hazard Class: Not applicable
Packing Group: Not assigned
Special Precautions: Keep containers sealed and protected from moisture during shipping
Environmental Hazards: Not classified as marine pollutant
OSHA Status: Not a hazardous chemical under OSHA Hazard Communication Standard
TSCA: Listed on the US Toxic Substances Control Act inventory
EU Regulation (REACH): Registered, not subject to authorisation or restriction
DSL/NDSL (Canada): Listed on the Domestic Substances List
Other Country Inventories: Listed or exempted in most major jurisdictions (Australia AICS, Japan ENCS, South Korea ECL, China IECSC)
Label Requirements: No special hazard labels; good practice to provide use, supplier contact, and safe handling guidance
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
