Product Name: Disodium 3,3'-Dithiobispropanesulphonate
Synonyms: DTDP, DTBS
Chemical Formula: C6H10Na2O6S4
Molecular Weight: 390.39 g/mol
CAS Number: 207570-92-5
Recommended Use: Laboratory research, chemical synthesis, and specialty chemical applications.
Supplier Details: Manufacturer and distributor information available upon request, with emergency contact numbers for chemical exposure or spillage response.
Contact Number for Emergencies: Utilize national chemical safety hotlines or institutional emergency contacts for immediate response.
GHS Classification: Eye irritation (Category 2), Skin irritation (Category 2), Specific target organ toxicity—single exposure (Category 3).
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, may cause respiratory irritation.
Pictograms: Exclamation mark symbol to indicate irritant hazards.
Precautionary Statements: Avoid inhalation of dust or particulates, wash thoroughly after handling, wear protective gloves and eye protection, use only outdoors or in well-ventilated areas.
Potential Health Effects: Contact may trigger eye and skin discomfort, inhalation may produce throat and respiratory discomfort, ingestion can upset digestive tissues.
Chemical Name: Disodium 3,3'-Dithiobispropanesulphonate
Concentration: 98% minimum by weight
Impurities: No dangerous impurities known or identified based on supplier information and batch testing.
Other Ingredients: Trace inorganic salts as stabilizers may appear in some lots due to manufacturing process.
Eye Contact: Rinse thoroughly with plenty of running water for at least 15 minutes, keeping eyelids open, and remove contact lenses. Seek professional medical advice if irritation persists.
Skin Contact: Clean affected skin with water and mild soap. Remove contaminated clothing and wash thoroughly before reuse. Let occupational health professionals know about persistent irritation.
Inhalation: Move the person to fresh air promptly and keep them at rest. Oxygen or artificial respiration may be required in severe cases. Seek immediate medical attention if symptoms develop.
Ingestion: Rinse mouth out with water. Do not induce vomiting unless directed by a medical practitioner. Contact poison control services or healthcare provider. Symptoms such as gastrointestinal upset or cramps should be monitored.
Notes to Physician: Treat symptoms, provide supportive care, monitor breathing and circulation. Symptomatic treatment should follow standard protocols for chemical irritants.
Suitable Extinguishing Media: Water spray, dry chemical powder, foam, or carbon dioxide. Product does not support combustion, but decomposition yields hazardous fumes.
Special Hazards: Heating causes sulfur oxides and sodium oxides to form, which can damage respiratory tissue upon inhalation during a fire incident.
Protective Equipment: Firefighters should use self-contained breathing apparatus and wear full protective clothing to limit exposure to smoke and noxious gases.
Specific Methods: Keep containers cool with water spray. Prevent contaminated firefighting water from entering drains or water courses. Remove personnel from immediate area if possible without risk.
Personal Protection for First Responders: Wear chemical resistant gloves, eye protection, and face mask to avoid dust contact. Evacuate non-essential personnel.
Environmental Precautions: Keep material out of sewers, lakes, streams, and groundwater supplies. Report significant releases to authorities if required by regulations.
Spill Response: Contain spillage with absorbent inert material such as sand or earth. Collect with shovels, sweepers or vacuum. Store in closed, labeled containers for disposal or recovery.
Decontamination: Rinse residues from spill site with copious water after collection. Avoid raising dust during cleaning operations.
Handling: Maintain good ventilation in work areas. Avoid generating dust and take steps to minimize inhalation and skin contact. Wash hands and exposed skin after handling the substance. Do not eat, drink or smoke in areas where this chemical is handled.
Storage: Store in tightly closed original containers, placed in a dry, cool, and well-ventilated location, away from incompatible chemicals and direct sunlight. Avoid humidity and moisture to maintain product quality.
Incompatible Materials: Strong acids, oxidizing agents, reducing substances.
Stability in Storage: Remains stable under recommended storage conditions; prevent contact with moisture to avoid caking or degradation.
Engineering Controls: Use local exhaust and general ventilation systems to minimize airborne dust. Keep work areas clean and use closed systems when possible.
Respiratory Protection: Approved particulate respirators for dust producing scenarios.
Skin Protection: Wear protective gloves suitable for handling chemicals, such as nitrile or neoprene.
Eye Protection: Tightly fitting safety goggles and face-shields in cases of splash or dust risk.
Hygiene Measures: Wash thoroughly before breaks, upon leaving work, and after product contact. Do not bring contaminated materials home.
Appearance: White to off-white crystalline powder
Odor: Faint, characteristic odor; generally not strong or pungent
pH (10% Solution): Approximately 7-9
Melting Point/Range: Decomposes above 250°C without melting
Solubility: Soluble in water
Boiling Point: No data available (compound decomposes)
Density: 1.7 to 1.9 g/cm³
Vapor Pressure: Negligible
Flash Point: Not applicable
Explosive Properties: Not classified as explosive
Auto-ignition Temperature: No information available
Partition Coefficient (Octanol/Water): Very low, compound prefers aqueous phase
Chemical Stability: Product remains stable within recommended temperature and humidity ranges. Prolonged exposure to excessive moisture or acids increases potential for breakdown.
Conditions to Avoid: Avoid exposure to open flames, elevated temperature, and incompatible materials.
Hazardous Decomposition Products: Exposes to heat may generate sulfur oxides, sodium oxides, and small organic fragments that demand adequate ventilation for safe handling.
Incompatible Materials: Strong oxidizing agents, strong acids, strong bases, and reducing reagents trigger decomposition or hazardous reactions.
Polymerization: Will not occur under standard commercial handling protocols.
Acute Toxicity: Oral LD50 and dermal LD50 not definitively established in mammals, but expected to have low to moderate toxicity based on structure-activity relationships.
Inhalation: Dust exposure may cause irritation of the respiratory tract, coughing, or difficulty breathing.
Skin Contact: Irritant to skin, especially with prolonged or repeated exposure.
Eye Contact: Contact causes intense irritation, redness, possible pain and watering.
Chronic Exposure: No evidence of chronic toxicity or carcinogenicity has surfaced in scientific literature. Not classified as mutagenic or teratogenic under GHS.
Sensitization: No sensitization data have been reported.
Additional Comments: Medical attention is essential for people with allergies, skin sensitivities, or respiratory issues following exposure.
Ecotoxicity: No reliable data from aquatic or terrestrial toxicity testing; predicted to be of low to moderate concern based on chemical structure.
Persistence and Degradability: Degrades in environmental compartments through hydrolysis and microbial action, but water solubility may contribute to mobility in surface and groundwater.
Bioaccumulation Potential: Unlikely to accumulate in biota due to readiness to dissolve and degrade in water.
Mobility in Soil: High water solubility supports migration with runoff or leachate; careful waste and spill management essential.
Other Adverse Effects: Keep product out of water bodies to avoid harm to aquatic ecosystems.
Waste Disposal Methods: Dispose of in accordance with local, regional, or national environmental regulations for chemical waste. Do not release directly into the environment. Collect and send to approved hazardous waste incineration facility if possible.
Container Handling: Empty containers may retain residues; do not reuse for other materials. Triple rinse before recycling or disposal.
Special Precautions: Coordinate with licensed waste contractors. Document all disposal activities to follow due diligence for hazardous waste management.
Regulatory Disposal Codes: Check national and local lists for special waste handling numbers or labels required.
UN Number: Not assigned by the UN for routine shipment.
Proper Shipping Name: Disodium 3,3'-Dithiobispropanesulphonate (for documentation and labeling).
Transport Hazard Class: Not regulated as hazardous under current international transport conventions (ADR, IMDG, IATA) unless shipped in bulk or if national regulations require.
Packaging: Use containers that resist damage and leakage. Label packages clearly with chemical identity, safety advisories, and emergency information.
Special Transport Precautions: Ship away from acids, oxidizers, and food items. Protect against moisture during transit. Observe temperature sensitivity to prevent decomposition.
Labeling According to GHS: Product labels must include hazard pictograms, signal words, hazard and precautionary statements in official languages appropriate for country of distribution.
International Inventories: Substance listed or notified under inventories in the US (TSCA), Canada (DSL/NDSL), and EU (REACH) as appropriate.
Workplace Control Laws: Product falls under general chemical safety regulations for workplace use including OSHA, WHMIS, and ECHA directives.
Reporting Requirements: Follow national chemical reporting rules such as SARA Title III (US) or CLP (EU) if stored or handled in significant quantities.
Other Relevant Legislation: Substance management may invoke environmental protection regulations if business activities impact water, air, or land. Regular reviews of compliance status urged as regulations change.
