Product Name: L(-)Camphorsulfonic Acid
Chemical Formula: C10H16O4S
Other Names: CSA, Camphor-10-sulfonic acid
CAS Number: 5872-08-2
Recommended Use: Laboratory reagent, resolving agent, chemical synthesis
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Classification: Eye damage/irritation (Category 1), Skin irritation (Category 2)
Signal Word: Danger
Hazard Statements: Causes severe skin burns and eye damage; may cause respiratory irritation; harmful if swallowed
Pictogram: Corrosive, Exclamation mark
Precautionary Statements: Wear suitable protective clothing and eye protection; avoid inhalation and contact with skin or eyes; wash hands after use; respond immediately to spills or exposure
Routes of Exposure: Inhalation, skin, eye, ingestion
Potential Health Effects: Intense eye pain, skin irritation, throat and lung discomfort if inhaled, upset stomach or vomiting if ingested
Chemical Name: L(-)Camphorsulfonic Acid
Synonyms: (1R)-(–)-10-Camphorsulfonic acid
CAS Number: 5872-08-2
Content: 98–100%
Impurities: Trace organics, water (if present)
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek immediate medical help
Skin Contact: Wash with plenty of soap and water for at least 15 minutes, remove contaminated clothing, seek medical advice if irritation persists
Inhalation: Move to fresh air, keep person at rest, ventilate area, call for medical assistance if symptoms appear
Ingestion: Rinse mouth, do not induce vomiting, never give anything by mouth to unconscious person, seek medical attention
Most Important Symptoms: Severe irritation and burns to exposed tissues, including eyes and mucous membranes
Advice to Physician: Symptomatic treatment by controlling exposure effects, support respiratory and circulatory function as needed
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, sand; avoid using water jets
Specific Hazards: Burning may produce sulfur oxides, carbon monoxide, carbon dioxide, irritating vapors
Special Protective Equipment: Self-contained breathing apparatus, full protective suit
Firefighting Instructions: Contain runoff with non-combustible material, avoid inhaling fumes, cool closed containers with water spray if exposed to fire
Thermal Decomposition: Sulfur dioxide, carbon oxides, other toxic gases
Personal Precautions: Use chemical-resistant gloves, eye protection, and respirator; remove all ignition sources; ventilate area
Environmental Precautions: Prevent spill from entering drains, sewers, waterways, or soil
Containment and Cleanup: Scoop up solid material, sweep carefully to avoid dust, transfer to labeled waste container for disposal, wash area with dilute alkali and water; dispose contaminated materials in accordance with regulations
Handling Protocols: Work in a well-ventilated setting, avoid breathing dust, avoid direct skin and eye contact, do not eat, drink or smoke during use
Storage Requirements: Keep container tightly sealed, store in cool, dry, and well-ventilated place away from heat or sources of ignition, keep away from incompatible substances such as strong bases, oxidizers; avoid moisture exposure
Incompatible Materials: Strong oxidizing agents, strong bases
Special Practices: Keep work area clean, use appropriate protective equipment at all times, store away from food or animal feed
Occupational Exposure Limits: No specific ACGIH or OSHA exposure limits established, use generic dust limits (PNOC: 10 mg/m³ total, 3 mg/m³ respirable fraction)
Engineering Controls: Use local exhaust ventilation, fume hood or equivalent extraction
Personal Protective Equipment: Chemical goggles or face shield, acid-resistant gloves, lab coat, dust mask or NIOSH-approved respirator if dust generated
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing and wash before reuse, avoid touching face or eyes while working with chemical
Environmental Controls: Prevent product releases outside containment areas, maintain in closed system if possible
Appearance: White to off-white crystalline powder
Odor: Slightly camphoraceous
Odor Threshold: Not available
pH (aqueous solution): Acidic, usually between 2.0–3.0 for 1% solution
Melting Point: 192–196°C
Boiling Point: Decomposes before boiling
Flash Point: Not flammable
Solubility: Soluble in water, methanol, ethanol; insoluble in non-polar organics
Partition Coefficient (log Kow): Not available
Vapor Pressure: Negligible at ambient temperature
Density: 1.38 g/cm³ at 25°C
Evaporation Rate: Not applicable
Vapor Density: Not applicable
Auto-ignition Temperature: Not determined
Decomposition Temperature: > 192°C (onset of melting)
Chemical Stability: Stable under normal laboratory and storage conditions
Conditions to Avoid: Excess heat, humidity, open flame, strong oxidizers, bases
Incompatible Materials: Strong bases, strong oxidizing agents
Hazardous Decomposition Products: Sulfur oxides (SOx), carbon oxides (CO and CO₂), possible irritating organic fumes
Polymerization: Will not occur under recommended conditions
Acute Toxicity: Oral LD50 (rat): 1100 mg/kg
Skin Corrosion/Irritation: Causes burns, redness and pain
Serious Eye Damage/Irritation: Severe eye irritation, potential for permanent damage
Respiratory or Skin Sensitization: Not classified as sensitizer
Germ Cell Mutagenicity: Data lacking
Carcinogenicity: Not listed by IARC, NTP or OSHA
Reproductive Toxicity: No recognized effects
STOT—Single/Repeated Exposure: May cause irritation to respiratory tract
Target Organs: Eyes, skin, mucous membranes
Other Effects: Prolonged or repeated exposure may aggravate existing conditions
Ecotoxicity: Data not fully available, avoid release to environment
Persistence and Degradability: Expected to be degraded by natural processes
Bioaccumulation Potential: Low, due to water solubility
Mobility in Soil: High mobility in aqueous environment
Other Adverse Effects: Harmful to aquatic life with long lasting effects, prevent chemical runoff into surface waters
Waste Treatment Methods: Dispose of in accordance with federal, state and local environmental control regulations
Waste Disposal Containers: Use labeled, sealed chemical waste containers
Disposal Precautions: Do not release into sewers, surface water, or soil; contact licensed waste disposal contractor
Contaminated Packaging: Treat as hazardous waste, triple rinse before disposal or re-use
UN Number: 2585
UN Proper Shipping Name: Camphorsulfonic acid
Transport Hazard Class: 8 (Corrosive Substances)
Packing Group: III
Marine Pollutant: No
Special Precautions for Transport: Handle with care, keep packaging intact, avoid damage or leaks in transit
Label Requirements: Corrosive substance label (Class 8)
OSHA: Hazardous chemical under Hazard Communication Standard (29 CFR 1910.1200)
TSCA: Listed
SARA Title III: Not regulated as extremely hazardous
WHMIS (Canada): Class E – Corrosive Material
REACH (EU): Pre-registered/submitted
California Prop 65: Not listed
Other Regulation: Ensure compliance with all national, regional and local requirements for handling chemical substances
