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Product Name: Tetrabutylammonium Hydrogen Sulfate
Chemical Formula: C16H37NO4S
Synonyms: TBAHS, N-Butylammonium hydrogen sulfate
CAS Number: 32503-27-8
Manufacturer/Supplier: [Insert supplier/contact info]
Recommended Uses: Phase transfer catalyst, reagent in organic synthesis, laboratory applications
Emergency Contact: [Insert emergency phone number]
Classification: Skin and eye irritant, harmful if swallowed
GHS Label Elements: Exclamation mark, warning
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, harmful if swallowed
Precautionary Statements: Avoid contact with eyes, skin, and clothing, wash thoroughly after handling, do not eat, drink, or smoke when using this product
Potential Health Effects: Irritation to respiratory system, gastrointestinal discomfort, redness, and itchiness at contact sites
Chemical Name: Tetrabutylammonium hydrogen sulfate
Chemical Family: Quaternary ammonium compounds
Concentration: 98-100%
Impurities/Additives: None relevant for classification
Inhalation: Move affected individual to fresh air immediately. Seek medical advice if symptoms persist.
Ingestion: Rinse mouth thoroughly with water. Do not induce vomiting. Obtain medical attention promptly.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing until irritation stops. Consult physician.
Skin Contact: Wash today with plenty of water and mild soap. Remove contaminated clothing. Seek medical attention if irritation develops.
Suitable Extinguishing Methods: Water spray, dry chemical, foam, carbon dioxide
Special Protective Equipment: Wear self-contained breathing apparatus and full protective suit
Hazardous Combustion Products: Carbon oxides, nitrogen oxides, sulfur oxides, toxic fumes
Firefighting Procedures: Evacuate area, prevent runoff from entering drains, use standard fire-fighting gear, avoid inhalation of combustion products
Personal Precautions: Wear chemical-resistant gloves, goggles, and protective clothing. Prevent inhalation of dust.
Environmental Precautions: Prevent material from entering sewers or water sources. Avoid soil contamination.
Cleanup Procedures: Absorb spill with inert material (sand, vermiculite). Collect in suitable container for disposal. Ventilate area well after cleanup.
Handling: Use in well-ventilated area. Avoid breathing dust and contact with skin or eyes. Keep containers tightly closed. Do not mix with incompatible substances like strong oxidizers.
Storage: Store in original container, tightly sealed, in a cool, dry, well-ventilated location. Keep away from direct sunlight, moisture, and heat sources. Segregate from acids and oxidizers. Ensure containers remain clearly labeled.
Engineering Controls: Use local exhaust to minimize dust generation and airborne concentrations. Maintain eyewash stations and safety showers in work area.
Personal Protective Equipment: Safety goggles, chemical-resistant gloves, lab coat or apron, approved dust respirator if dust generation is likely
Exposure Limits: No occupational exposure limits established; minimize exposure to avoid irritation
Hygiene Measures: Wash hands after handling, remove contaminated clothing and wash before reuse. Do not eat or drink where chemical is handled.
Appearance: White to off-white crystalline powder
Odor: Odorless
Melting Point: 172-176°C
Boiling Point: Not applicable (decomposes)
Solubility: Soluble in water, moderately soluble in organic solvents
pH of Solution: Acidic
Vapor Pressure: Negligible
Relative Density: About 1.05 g/cm³
Flash Point: Not applicable
Partition Coefficient (n-octanol/water): No data available
Chemical Stability: Stable under normal storage and handling conditions
Possibility of Hazardous Reactions: Can react with strong oxidizers and strong acids
Conditions to Avoid: Moisture, excessive heat, incompatibles
Incompatible Materials: Strong oxidizing agents, strong acids
Decomposition Products: Oxides of carbon, nitrogen, sulfur; possible toxic fumes
Acute Toxicity: Oral LD50 (rat): Not precisely defined, but considered moderate
Skin Corrosion/Irritation: Causes skin irritation
Serious Eye Damage/Irritation: Can cause significant eye irritation
Respiratory Sensitization: May cause respiratory tract irritation
Chronic Toxicity: No data on long-term effects; avoid repeated exposure
Carcinogenicity: Not listed by IARC, NTP, or OSHA
Reproductive Toxicity: No information available
Symptoms of Exposure: Redness, itching, pain, coughing, sore throat, gastrointestinal discomfort
Aquatic Toxicity: May be harmful to aquatic life in high concentrations
Persistence and Degradability: No data available on biodegradation
Bioaccumulative Potential: Not expected to bioaccumulate significantly
Mobility in Soil: Limited information, soluble in water, may leach through soil
Other Adverse Effects: Prevent release to the environment. Avoid drains, waterways, and soil.
Waste Treatment Methods: Dispose of material in accordance with local, regional, national, and international regulations
Product Disposal: Incinerate in chemical incinerator with afterburner and scrubber.
Contaminated Packaging: Triple rinse with water, offer clean container for recycling or disposal.
Additional Advice: Avoid release to the environment. Consult official hazardous waste regulations.
UN Number: Not regulated as dangerous goods by major transport agencies (ADR/RID, IMDG, IATA)
Proper Shipping Name: Tetrabutylammonium hydrogen sulfate
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not considered marine pollutant
Special Precautions: Handle as chemical to avoid spillage and accidental exposure during transit.
U.S. Regulations: Not listed as a hazardous substance under CERCLA, RCRA, SARA Title III. TSCA inventory status verified.
EU Regulations: Complies with REACH directives. No harmonized classification under CLP.
Canadian Regulations: DSL/NDSL inventory status checked.
Other Regulatory Listings: Not subject to international export restrictions
Labeling Requirements: Standard chemical labeling to include irritant warnings, hazard pictograms, handling advice
