Product Name: N-Propylsulfonate Pyridinium Hydrogensulfate
Synonyms: 1-(propylsulfonate)pyridinium hydrogensulfate
Chemical Formula: C8H15NO5S2
Recommended Use: Laboratory reagents, ionic liquids, phase transfer catalysts
Supplier: Refer to packaging or purchasing documents for current supplier and emergency contact information
Emergency Contact: Refer to supplier’s safety number; for spills involving injury, contact local poison center
GHS Classification: Acute Toxicity (Oral) Category 4; Skin Irritant Category 2; Eye Irritant Category 2A
Pictograms: Exclamation mark symbol
Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes skin irritation; causes serious eye irritation
Precautionary Statements: Avoid breathing dust or vapors; use only outdoors or in well-ventilated area; wash skin thoroughly after handling; wear protective gloves, clothing, and eye/face protection; if on skin, wash with soap and water; if in eyes, rinse cautiously with water for several minutes
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Chemical Name: N-Propylsulfonate Pyridinium Hydrogensulfate
CAS Number: 875605-94-4
Concentration: ≥ 97%
Impurities: Water (<2%), residual organic solvents (<1%)
Other Ingredients: None
Eye Contact: Flush eyes with water for 10–15 minutes, remove contact lenses, keep eyelids open, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, wash affected area with plenty of soap and water, get medical advice if symptoms develop
Inhalation: Move to fresh air, support breathing with oxygen if needed, contact a healthcare provider if symptoms such as coughing or difficulty breathing occur
Ingestion: Rinse mouth, do not induce vomiting, call poison center or physician, never give anything by mouth to an unconscious person
Symptoms: Irritation, redness, coughing, possible nausea, abdominal pain
Suitable Extinguishing Media: Dry chemical, CO2, water spray, foam
Unsuitable Extinguishing Media: Strong water jet
Hazardous Combustion Products: Sulfur oxides, nitrogen oxides, carbon oxides
Specific Hazards: Decomposition releases toxic gases
Protective Equipment for Firefighters: Use self-contained breathing apparatus, chemical-resistant clothing, and gloves
Personal Precautions: Evacuate area, ventilate space, avoid breathing dust, wear chemical-resistant clothing, gloves, goggles
Methods for Cleanup: Collect spillage with shovel or vacuum, keep product dry, clean area with detergent and excess water
Environmental Precautions: Prevent entry into drains, surface and ground water; collect spills and dispose as hazardous waste; inform environmental authorities for large releases
Handling: Use only with sufficient ventilation, avoid dust formation, do not eat, drink, or smoke during use, wash hands after use, avoid contact with skin and eyes
Storage: Keep containers tightly closed, store in a cool, dry, well-ventilated place, protect from moisture and direct sunlight, segregate from incompatible substances such as strong oxidizing agents and bases, label storage clearly to prevent misidentification
Engineering Controls: Work in fume hood or with adequate local ventilation, install eyewash station and safety shower in the area
Exposure Limits: No established occupational exposure limits (as of latest regulations), treat as a hazardous chemical
Personal Protective Equipment: Wear chemical-resistant gloves, tightly-fitting safety goggles, face shield for splashing, lab coat or apron
Respiratory Protection: Use NIOSH-approved respirator if handling powder or risk of inhalation
Hygiene Measures: Wash hands thoroughly after handling, change contaminated clothing immediately
Appearance: Off-white to light yellow solid or crystalline powder
Odor: Slight, characteristic odor
Odor Threshold: Not determined
pH: 1–3 (solution in water)
Melting Point/Freezing Point: 80–120°C
Boiling Point: Not available
Flash Point: >150°C (estimated)
Evaporation Rate: Not relevant for solids
Flammability: Not highly flammable
Vapor Pressure: Negligible at room temperature
Relative Density: 1.35–1.45 g/cm³
Solubility: Miscible with water, soluble in polar organic solvents
Partition Coefficient (n-octanol/water): Not determined
Decomposition Temperature: >180°C
Viscosity: Not applicable (solid)
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: May react violently with strong oxidizers
Conditions to Avoid: Excess heat, moisture, incompatible chemicals
Incompatible Materials: Strong bases, strong oxidants, reducing agents
Hazardous Decomposition Products: Sulfur oxides, nitrogen oxides, carbon oxides, toxic fumes
Routes of Exposure: Skin, eyes, inhalation, ingestion
Acute Toxicity: Oral LD50 (rat): estimated 300–2000 mg/kg
Skin Corrosion/Irritation: May cause moderate irritation
Serious Eye Damage/Irritation: Causes serious eye irritation
Respiratory Sensitization: Not established
Skin Sensitization: Not established
Carcinogenicity: Data not available; not listed by IARC, NTP, or OSHA
Reproductive Toxicity: No data available
Specific Target Organ Toxicity (STOT): Not determined
Symptoms: Irritation on exposure, possible nausea, headache, abdominal discomfort
Ecotoxicity: Limited data available; potentially harmful to aquatic life at higher concentrations
Persistence and Degradability: Not readily biodegradable; breakdown may occur slowly under environmental conditions
Bioaccumulative Potential: Low likelihood of significant accumulation
Mobility in Soil: Expected to have moderate to high mobility in water-rich environments
Environmental Precautions: Avoid uncontrolled release into environment; inform relevant authorities
Waste Treatment Methods: Incinerate in a chemical incinerator equipped with afterburner and scrubber; follow local, regional, and national regulations
Contaminated Packaging: Do not reuse containers; rinse and dispose as hazardous material
Precautions for Disposal: Avoid discharge into drains or natural waters, ensure proper labeling and handling for all disposal activities
UN Number: Not assigned; treat as a chemical substance, consult carrier for special requirements
UN Proper Shipping Name: Chemical, not otherwise specified
Transport Hazard Class: Not regulated as dangerous goods under current IATA, IMDG, ADR
Packing Group: Not applicable
Marine Pollutant: Not classified
Special Precautions for Transport: Protect from physical damage and moisture, use leak-proof packaging, include safety labeling on all shipments
International Inventories: Confirm status with local chemical regulatory authorities
TSCA: Not listed expressly; restricted for research use
REACH Status: Not fully registered; requirements may vary by region
SARA Section 313: Not subject to reporting
OSHA Hazard Communication: Meets criteria for hazardous material
WHMIS (Canada): D2B (toxic material causing other toxic effects)
California Proposition 65: Not listed
Other Regulations: Follow additional local, regional, or sector-specific controls as applicable
