Product Name: P-Toluenesulfonic Acid Ammonium Salt
Chemical Formula: C7H9NO3S
Synonyms: Ammonium p-toluenesulfonate, PTSA ammonium salt
CAS Number: 26283-15-6
Recommended Use: Catalyst, chemical synthesis intermediate, laboratory reagent
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Emergency Contact: [Insert emergency number]
GHS Classification: Skin corrosion/irritation (Category 2), Serious eye damage/eye irritation (Category 2)
Label Elements: Warning, exclamation mark, corrosive pictogram
Hazard Statements: Causes skin and serious eye irritation, may cause respiratory irritation
Precautionary Statements: Avoid breathing dust, use eye protection, wash hands thoroughly, seek medical advice after exposure
Other Hazards: Dust can form explosive mixtures with air; dust or powder can irritate mucous membranes
Chemical Identity: P-Toluenesulfonic Acid Ammonium Salt
Chemical Formula: C7H9NO3S
Concentration: >98%
Impurities: May contain trace amounts of ammonium sulfate or unreacted toluenesulfonic acid
Substance or Mixture: Substance
Molecular Weight: 187.22 g/mol
Inhalation: Remove person to fresh air, keep at rest, monitor for difficulty breathing, seek medical attention if symptoms persist
Skin Contact: Rinse skin with plenty of water, remove contaminated clothing, wash with soap, medical help if irritation develops
Eye Contact: Flush with water for at least 10 minutes, hold eyelids open, remove contact lenses, immediate medical attention needed
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical advice, never give anything by mouth to an unconscious person
Most Important Symptoms: Redness, pain, burning sensation, coughing, difficulty breathing, severe eye irritation
Advice for Emergency Responders: Wear protective equipment, provide safe environment, support breathing if necessary
Suitable Extinguishing Media: Use water spray, dry chemical, carbon dioxide, foam; cool containers exposed to fire
Specific Hazards: Releases toxic fumes of nitrogen oxides, sulfur oxides, and carbon oxides when heated
Protective Equipment: Full protective clothing and self-contained breathing apparatus for firefighters
Fire Hazards: Powder or dust forms may cause explosion when dispersed in air in presence of ignition source
Advice: Avoid inhaling combustion gases, approach from upwind, move containers from fire if safe
Personal Precautions: Use protective gloves, goggles, dust mask, avoid breathing dust and contact with skin or eyes
Environmental Precautions: Avoid runoff into drains, water courses, and soil; alert authorities if substance enters water system
Cleanup Methods: Collect spilled material with non-sparking tools, sweep up and place in labeled containers, ventilate area, wash spill site after removal
Containment: Prevent further leakage or spillage, use absorbent inert material if necessary
Handling: Keep container tightly closed, handle in a chemical fume hood or well-ventilated area, wear suitable protective equipment, minimize dust generation
Storage Conditions: Store in a dry, cool environment away from incompatible materials, moisture, strong oxidizers, and acids; keep containers securely sealed
Incompatibilities: Strong acids and oxidizers, strong bases, moisture-sensitive
Hygiene Practices: Wash thoroughly after handling, avoid eating, drinking, or smoking in areas where material is handled
Specific Uses: For professional and industrial use only, follow all safety recommendations
Exposure Limits: No established occupational exposure limits; minimize exposure by engineering controls
Engineering Controls: Use local exhaust ventilation, enclose processes where possible, provide eyewash stations and emergency showers
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), safety goggles, lab coat or protective clothing, dust respirator if exposure to airborne dust is possible
Environmental Exposure Controls: Minimize release to environment, handle waste appropriately
Appearance: White or off-white crystalline solid
Odor: Mild, characteristic, slightly ammoniacal
Odor Threshold: Not determined
Melting Point: 180–185°C (decomposition possible above 190°C)
Boiling Point: Not applicable (decomposes before boiling)
Solubility: Soluble in water, alcohols (methanol, ethanol), sparingly soluble in organic solvents
pH: Acidic, 1-2 (in 5% aqueous solution)
Vapor Pressure: Negligible at room temperature
Relative Density: ~1.42 (20°C)
Partition Coefficient: Not available
Evaporation Rate: Not applicable
Viscosity: Not applicable
Flash Point: Not flammable
Auto-Ignition Temperature: Not determined
Chemical Stability: Stable under recommended storage conditions, may hydrolyze if exposed to moisture
Reactivity: Can react with strong oxidizers and strong acids
Hazardous Reactions: Produces toxic gases (sulfur oxides, nitrogen oxides) on decomposition
Conditions to Avoid: Elevated temperatures, open flames, sources of ignition, exposure to moisture
Incompatible Materials: Strong oxidizers, acids, bases
Hazardous Decomposition Products: Sulfur dioxide, nitrogen oxides, carbon monoxide, ammonia
Acute Toxicity: Low acute oral and dermal toxicity based on available information, no reliable LD50 data, causes irritation
Skin Corrosion/Irritation: Causes redness, blistering, or chemical burns on prolonged or repeated contact
Serious Eye Damage/Irritation: High risk of irritation, redness, watering, pain, possible temporary vision impairment
Respiratory Effects: Inhalation of dust causes coughing, respiratory tract irritation, possible difficulty breathing
Sensitization: No data on skin or respiratory sensitization, but repeated exposure may lead to dermatitis
Chronic Effects: No data on carcinogenicity, mutagenicity, reproductive toxicity
Other Health Effects: Gastrointestinal irritation possible if ingested
Ecotoxicity: No data on aquatic toxicity; based on structural similarities, moderate hazard to aquatic organisms expected; avoid contamination of waterways
Persistence and Degradability: Partially biodegradable, can persist in environment in poorly aerated or aquatic settings
Bioaccumulative Potential: No significant bioaccumulation anticipated; low log Kow expected
Mobility: Soluble in water, can migrate in soils and groundwater
Other Adverse Effects: May alter local pH of water bodies, impacting aquatic life
Waste Treatment Methods: Incinerate in a chemical incinerator equipped with afterburner and scrubber, follow all federal, state, and local environmental regulations
Disposal of Packaging: Rinse empty containers with water, treat washings as chemical waste, dispose in accordance with regulations
Special Precautions: Do not dispose to environment, do not allow to enter drainage systems
Other Information: Contact licensed waste disposal contractor for large volumes
UN/ID Number: Not classified as dangerous for transport under UN, IMDG, IATA regulations
Proper Shipping Name: Not regulated
Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not considered marine pollutant
Special Precautions for User: Avoid dust generation, seal packages against moisture
OSHA: Hazardous chemical as defined by OSHA Hazard Communication Standard
TSCA: Listed in the United States TSCA inventory
European Union (REACH): Not registered; not listed as SVHC
WHMIS Classification: D2B (toxic material causing other toxic effects – irritant)
Other Regulations: Comply with applicable local, state, and federal safety, health and environmental regulations
Label Requirements: Appropriate hazard and precautionary statements must be included on all containers
