Chemical Name: Acido Octano Sulfonico
Synonyms: 1-Octanesulfonic Acid, OSA, n-Octane Sulfonic Acid
CAS Number: 5324-84-5
Molecular Formula: C8H18O3S
Recommended Use: Laboratory reagent, Ion-pairing agent
Manufacturer: Provided by laboratory chemical suppliers
Emergency Telephone: Local or national poison control center
Classification: Skin irritation (Category 2), Eye damage (Category 1), Acute toxicity oral (Category 4)
Label Elements: Signal word: Danger; Pictograms: Corrosive, Exclamation mark
Hazard Statements: Causes severe skin burns and eye damage; Harmful if swallowed; Irritating to respiratory tract
Precautionary Statements: Wear protective gloves, eye protection, face shield and protective clothing; Avoid release to the environment; Do not breathe dust, fumes or mist
Emergency Overview: Contact can cause redness, swelling, burns and permanent eye injury
Other Hazards: Corrosive to mucous membranes and gastrointestinal tract
Chemical: 1-Octanesulfonic Acid
Chemical Formula: C8H18O3S
Concentration: >98% (by weight)
Impurities: Trace organic impurities possible from manufacturing
Additives: No stabilizing additives present
CAS Number: 5324-84-5
Inhalation: Move person to fresh air; Seek immediate medical attention; Provide oxygen if breathing is difficult
Skin Contact: Remove contaminated clothing; Rinse skin with water for at least 20 minutes; Seek medical help
Eye Contact: Rinse eyes cautiously with water for at least 20 minutes; Remove contact lenses if easy to do so; Get medical help quickly
Ingestion: Do not induce vomiting; Rinse mouth with water; Give water to drink; Consult a physician
Most Important Symptoms: Burning pain, redness, blistering, severe irritation, delayed tissue damage
Symptoms to Watch For: Breathing difficulty, severe eye pain, vision loss, signs of shock
Suitable Extinguishing Media: Use water spray, foam, dry chemical or carbon dioxide
Unsuitable Media: Direct water jet may spread flames or spatter corrosive material
Combustion Products: Sulfur oxides, carbon oxides, toxic fumes
Special Hazards: Containers may rupture in fire; Acidic vapors irritate respiratory tract
Protective Equipment for Firefighters: Full protective suit, self-contained breathing apparatus
Additional Information: Cool containers exposed to fire with water spray from a safe distance
Personal Precautions: Wear full chemical-resistant clothing, eye and face protection; Use a respirator with acid gas cartridge if dust or vapors present
Environmental Precautions: Prevent product entering drains, waterways, soil; Alert environmental authorities if large release
Methods for Clean-up: Absorb spill with inert material like sand, earth or vermiculite; Collect and place in suitable container for disposal; Ventilate area
After Spillage: Wash spill area with water and detergent; Avoid generating dusty conditions; Dispose of in compliance with local regulations
Safe Handling Advice: Handle in a chemical fume hood or well-ventilated area; Avoid contact with skin, eyes, and clothing; Use only non-sparking tools
Storage Requirements: Store tightly closed in corrosion-resistant container; Keep in a cool, dry, well-ventilated space; Segregate from alkalis, oxidizers, bases and reducing agents
Incompatibilities: May react with strong bases, reducing agents, and strong oxidizers
Hygiene Measures: Wash hands thoroughly after use; Do not eat, drink or smoke during handling; Remove contaminated clothing before entering eating areas
Exposure Limits: Specific limits not established; Workplace exposure should be kept as low as possible
Engineering Controls: Use fume hood, local exhaust ventilation, eyewash and safety shower in working area
Personal Protective Equipment: Nitrile or neoprene gloves, splash-resistant goggles, face shield, acid-resistant apron or chemical suit, safety boots
Respiratory Protection: Use approved respirator with acid gas cartridge or powered air-purifying respirator for dust/mist
Other Protection: Eye wash station and safety shower must be accessible; Remove and wash contaminated clothing before reuse
Appearance: White crystalline powder
Odor: Slightly pungent or sharp
Melting Point: ~105–110°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water and alcohol
Vapor Pressure: Not significant at room temperature
Relative Density: Approximately 1.3 g/cm³
pH (1% solution): Strongly acidic (below 2)
Flash Point: Not flammable under normal conditions
Autoignition Temperature: Not relevant
Partition Coefficient (n-octanol/water): Not determined
Chemical Stability: Stable under recommended conditions of storage and handling
Incompatible Materials: Strong bases, oxidizers, strong reducing agents
Conditions to Avoid: Excess heat, moisture, incompatible materials, sources of ignition
Hazardous Decomposition: Sulfur oxides (SOx), carbon oxides (CO, CO2), possibly toxic vapors
Hazardous Reactions: May react vigorously with alkalis and oxidizing agents
Polymerization: Does not occur under normal conditions
Acute Toxicity: Harmful if swallowed; LD50 oral (rat): Data limited, estimated 800–1200 mg/kg
Skin Corrosion/Irritation: Causes severe skin burns
Serious Eye Damage/Irritation: Causes serious eye damage and possible blindness
Respiratory Sensitization: Inhalation may cause coughing, sore throat and respiratory irritation
Carcinogenic Effects: No positive association in animal studies
Reproductive Effects: No known significant effects
Mutagenicity: No known mutagenic hazards
Other Effects: Prolonged or repeated exposure can worsen damage to skin or mucous membranes
Aquatic Toxicity: Toxic to aquatic life due to strong acidity
Persistence and Degradability: Biodegradation expected over time, yet acidic discharge alters water pH
Bioaccumulation: Unlikely due to high solubility and reactivity
Mobility in Soil: Rapidly disperses through soil with water movement
Other Adverse Effects: May kill aquatic organisms and damage vegetation by lowering pH in spill area
Waste Methods: Handle as hazardous industrial waste; Collect in appropriately labeled containers for chemical disposal
Incineration: Permitted in approved facility with scrubbing for sulfur and acid gases
Special Precautions: Do not discharge to drains, surface water, or groundwater
Contaminated Packaging: Dispose as hazardous waste after thorough cleaning or destruction
Local Regulations: Follow local and national hazardous waste regulations for acid wastes
UN Number: 2585
UN Proper Shipping Name: Alkane sulfonic acids, liquid, n.o.s.
Transport Hazard Class: 8 (Corrosive)
Packing Group: III
Environmental Hazards: Not a marine pollutant
Special Transport Precautions: Keep away from alkalis, oxidizers, incompatible materials; Use corrosion-resistant packaging; Ensure labeling and placarding matches current road, air, sea transport rules
Occupational Safety and Health: Covered by worker health and safety standards on corrosive chemicals
Inventory Status: Listed on major international chemical inventories (TSCA, REACH, DSL, AICS, ENCS, KECL)
EU Classification: Corrosive, H314, H302
US EPA: Not regulated under RCRA for individual listing
SARA Title III: Not listed as an extremely hazardous substance
Labeling: Signal word, hazard pictogram, precautionary statements required per GHS
Other Information: Review country and state regulations for acid handling and disposal for workplace compliance
