Product Name: Tetrabutyl-Ammonium P-Toluenesulfonate
Synonyms: TBA p-Toluenesulfonate, TBA Tosylate
CAS Number: 30354-41-1
EC Number: 250-196-0
Recommended Use: Laboratory chemicals, synthesis intermediate
Supplier: Laboratory chemical supplier
Contact Information: Supplier's address and emergency telephone number should be accessible in the laboratory records for immediate consultation in emergencies.
Hazard Class: Eye Irritant, Skin Irritant
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause respiratory upset if inhaled as dust or powder
Pictograms: Exclamation mark symbol is used for general health hazards
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, wear protective gloves and eye protection
Chemical Name: Tetrabutyl-Ammonium P-Toluenesulfonate
CAS Number: 30354-41-1
Formula: C23H41NO3S
EC Number: 250-196-0
Concentration: Pure substance (≥99% where sold for laboratory use)
Impurities and Stabilizing Additives: Trace levels of residuals from synthesis possible, usually listed in supplier-specific technical sheets
General Advice: Remove contaminated clothing and seek medical attention if symptoms persist.
Inhalation: Move person to fresh air, keep comfortable for breathing, call a doctor if symptoms develop
Skin Contact: Wash exposed area with soap and plenty of water, remove contaminated clothing
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek eye specialist if irritation persists
Ingestion: Rinse mouth, never induce vomiting without qualified medical advice, give water to conscious person only, call poison control
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, water spray (mist)
Specific Hazards: May release toxic fumes such as nitrogen oxides, sulfur oxides, and carbon monoxide
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear
Explosion Data: No unusual fire or explosion hazards reported, but avoid dust accumulation
Personal Precautions: Wear appropriate personal protection including gloves, goggles, and dust mask
Environmental Precautions: Prevent further leakage or spillage if it can be done without risk, do not allow chemical to enter drains, watercourses, or soil
Methods For Clean Up: Sweep up carefully, avoid creating dust, transfer to suitable closed containers for disposal, ventilate area, wash spill area with water after material pick up is complete
Handling: Always use in a well-ventilated area, avoid contact with skin and eyes, keep away from open flames and hot surfaces
Storage: Store tightly closed in a cool, dry, and well-ventilated place, keep container upright, avoid storage with acids and oxidizers, protect from moisture and incompatible materials
Handling Precautions: Do not eat, drink or smoke in areas where chemical is handled, wash thoroughly after handling, maintain regular cleaning schedule for surfaces
Engineering Controls: Use with local exhaust ventilation or fume hood
Personal Protective Equipment: Chemical-resistant gloves (nitrile recommended), protective clothing, safety goggles or splash-proof glasses, dust mask or respirator if dust unavoidable
Hygiene Measures: Wash hands, face and any exposed skin before eating, drinking or leaving the laboratory
Control Parameters: No occupational exposure limits established for this substance, monitor for dust generation
Appearance: White or off-white crystalline powder
Odor: Odorless or faint organic odor
Melting Point: Approximately 130 - 140 °C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water and organic solvents such as acetonitrile, ethanol
Density: Approximately 1.05 g/cm³
pH Value: Neutral to slightly acidic aqueous solution
Flash Point: Not classified as flammable, no established data for flash point
Partition Coefficient: Data not available, but quaternary ammonium tends to moderate hydrophobicity
Chemical Stability: Stable under normal storage and handling conditions, sensitive to strong acids and oxidizers
Conditions to Avoid: Excess moisture, strong oxidizing agents, high temperatures
Materials to Avoid: Strong acids, strong oxidizing agents, halogenating agents
Hazardous Decomposition Products: Releases toxic fumes including nitrogen oxides, sulfur oxides, and carbon monoxide upon decomposition
Polymerization: No hazardous polymerization expected
Acute Toxicity: Limited acute toxicity data available, no evidence of significant oral or dermal toxicity at laboratory doses, mild respiratory and skin irritation possible
Chronic Effects: No long-term data available for carcinogenic, mutagenic or reproductive toxicity, handle as though health effects are not fully understood
Skin: May cause irritation and redness with prolonged or repeated contact
Eyes: Strong eye irritant, may result in redness, pain or temporary visual disturbance
Inhalation: May irritate nose, throat, and respiratory tract if inhaled as dust
Ingestion: May cause nausea, gastrointestinal discomfort, or vomiting
Additional Information: Not listed by IARC, NTP or OSHA as carcinogen, keep exposure as low as possible
Aquatic Toxicity: No precise data, avoid release into the environment, quaternary ammonium compounds generally toxic to aquatic organisms
Persistence and Degradability: May persist in aquatic environments, slow biodegradation anticipated
Mobility: Likely to remain in solution in water, risk of leaching into groundwater
Bioaccumulation Potential: No data available, unlikely to bioaccumulate significantly due to ionic nature
Other Adverse Effects: Avoid direct discharge to natural water bodies, consult local regulations for guidance
Waste Disposal: Collect in suitable containers, label clearly, dispose through licensed chemical waste contractor
Contaminated Packaging: Rinse containers with copious amounts of water, puncture or crush empty containers before discarding
Disposal Methods: Incineration in controlled facility or landfill according to local and national environmental regulations, disclose chemical composition to disposal authorities
Precautions: Do not pour down drain or in general waste stream, minimize chemical waste by using smallest practical quantities in laboratory work
UN Number: Not classified as hazardous for transport
Transport Hazard Class: Not regulated
Packing Group: Not assigned
Proper Shipping Name: Tetrabutyl-Ammonium P-Toluenesulfonate
Marine Pollutant: No indication that it qualifies under IMDG code
Special Precautions for Transport: Keep container tightly closed, protect from physical damage, avoid extreme temperatures, follow national and international guidelines
Inventory Listings: Listed on TSCA, EINECS/ELINCS, and other international chemical inventories
Label Elements: Exclamation mark for irritant properties, risk phrases regarding skin and eye irritation
OSHA Hazard Communication: Classified as hazardous under laboratory standard
SARA Title III: No specific reporting requirements for this substance
Other Regulations: Handle in compliance with relevant health, safety and environmental regulations, periodic review and training recommended for all laboratory users handling this chemical
