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Chemical Name: Sodium trifluoromethanesulfinate
Synonyms: Langlois reagent, Trifluoromethanesulfinic acid sodium salt
CAS Number: 2926-29-6
Molecular Formula: CF3SO2Na
Manufacturer Name: [Manufacturer Name]
Contact Information: [Contact phone, address]
Recommended Use: Laboratory chemical, synthesis intermediate, specialty reagent
Restrictions on Use: Not for food, drug, or household use
Emergency Phone: [Emergency contact number]
Classification: Acute toxicity (Oral, Category 4), Skin irritation (Category 2), Eye irritation (Category 2A)
Hazard Statements: Harmful if swallowed. Causes skin irritation. Causes serious eye irritation.
Pictograms: Exclamation mark
Signal Word: Warning
Precautionary Statements: Avoid breathing dust. Wash hands thoroughly after handling. Wear protective gloves and eye/face protection.
Potential Health Effects: Eyes—irritation, redness, watering; Skin—irritation, possible rash; Inhalation—sore throat, coughing; Ingestion—nausea, vomiting, diarrhea.
Substance: Sodium trifluoromethanesulfinate
CAS Number: 2926-29-6
Purity: ≥ 97%
Impurities: Trace (< 3%) related compounds or salts
Ingredient contributing to hazards: Active component listed above
General Advice: Remove affected individual from exposure. Seek medical attention for symptoms.
Inhalation: Move to fresh air, keep warm and at rest. Give artificial respiration if breathing stops. Seek immediate medical attention.
Skin Contact: Rinse skin with water for at least 15 minutes. Remove contaminated clothing. Get medical help if irritation continues.
Eye Contact: Flush eyes gently with plenty of water for at least 15 minutes, lifting eyelids. Remove contact lenses if present. See a physician.
Ingestion: Rinse mouth thoroughly. Drink water if able. Do not induce vomiting. Contact a doctor immediately.
Most Important Symptoms and Effects: Irritation of eyes, skin, digestive tract. Nausea, discomfort, or headache may develop.
Special Notes to Physicians: Symptomatic treatment, monitor respiratory and cardiovascular functions.
Suitable Extinguishing Media: Dry powder, carbon dioxide, alcohol-resistant foam. Water spray can be used to cool surfaces.
Unsuitable Extinguishing Media: Do not use water jet directly on burning product.
Specific Hazards Arising from Chemical: Toxic gases such as hydrogen fluoride, sulfur oxides, sodium oxide may form on decomposition.
Protective Equipment for Firefighters: Wear self-contained breathing apparatus, chemical protective clothing.
Special Fire-Fighting Procedures: Avoid inhaling vapors or combustion gases. Keep unnecessary personnel away. Cool containers exposed to heat.
Fire/Explosion Hazards: Product is non-flammable but may intensify fire due to decomposition products.
Personal Precautions: Use personal protective equipment. Prevent inhalation, skin or eye contact. Ventilate area.
Environmental Precautions: Do not allow product into drains, watercourses, or environment without proper controls.
Methods for Clean-Up: Sweep up spillage carefully, avoiding dust formation. Collect in sealable containers for disposal.
Decontamination: Wash area with water and detergent after pick up. Dispose of washings as chemical waste.
Emergency Procedures: Evacuate area if large amounts spilled. Avoid breathing dust or vapors.
Handling: Wear proper personal protection. Keep away from moisture. Avoid dust formation and breathing dust. Use only in well-ventilated areas. Avoid ingestion and contact with skin, eyes.
Hygiene Measures: Wash hands after handling. Do not eat, drink, or smoke during use.
Storage: Store in cool, dry, well-ventilated place. Keep container tightly closed and away from incompatible materials such as acids and oxidizers. Protect from moisture and direct sunlight.
Storage Stability: Store at room temperature away from sources of ignition or intense heat.
Occupational Exposure Limits: No specific exposure limits established.
Engineering Controls: Work in chemical fume hood or ensure local ventilation. Use closed systems wherever possible.
Individual Protection Measures:
Respiratory Protection: Use dust mask (P2) or respirator if risk of inhalation present.
Hand Protection: Chemical-resistant gloves (nitrile, neoprene).
Eye Protection: Chemical safety goggles or full-face shield.
Skin Protection: Use lab coat, apron, protective footwear.
Environmental Exposure Controls: Prevent release to environment; dispose of substance according to regulations.
Appearance: White crystalline powder
Odor: Odorless
Odor Threshold: Not available
pH: 7-8 (10% solution in water)
Melting Point/Freezing Point: 270-273°C (decomposes)
Boiling Point/Range: Decomposes before boiling
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not flammable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not available
Relative Density: 1.94 g/cm3@20°C
Solubility in Water: Soluble
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: >230°C
Viscosity: Not applicable
Chemical Stability: Stable under dry, ambient conditions. Decomposes in strong acid or base.
Reactivity: Reacts with acids to release toxic gases.
Conditions to Avoid: Excessive heat, moisture, acids, oxidizing agents.
Incompatible Materials: Acids, oxidizers, strong reducing agents.
Hazardous Decomposition Products: Hydrogen fluoride, sulfur dioxide, sodium oxide, trifluoromethanesulfonic acid vapor.
Polymerization: Will not occur.
Routes of Exposure: Inhalation, ingestion, skin, and eye contact.
Acute Toxicity: Oral LD50 (rat): estimated 200-500 mg/kg
Skin Corrosion/Irritation: Causes redness, pain, or rash
Serious Eye Damage/Irritation: Causes irritation, redness, and possible damage
Respiratory or Skin Sensitization: Not reported in literature
Germ Cell Mutagenicity: No data available
Carcinogenicity: Not listed by IARC, NTP, or OSHA
Reproductive Toxicity: No data available on effects
Specific Target Organ Toxicity (Single Exposure): Not established
Specific Target Organ Toxicity (Repeated Exposure): Not established
Aspiration Hazard: No hazard expected on aspiration
Medical Conditions Aggravated by Exposure: Pre-existing respiratory and skin conditions
Ecotoxicity: No data on effects in aquatic and terrestrial environments, but similar compounds may impact aquatic organisms in concentrated spills.
Persistence and Degradability: Product is inorganic, not expected to biodegrade.
Bioaccumulative Potential: Not expected to bioaccumulate due to water solubility.
Mobility in Soil: High solubility in water, could move through soil with water.
Other Adverse Effects: Discharge to environment should be avoided; all local, regional, national regulations must be followed.
Disposal Methods: Dispose of material in accordance with federal, state, and local regulations. Use licensed waste disposal contractor.
Contaminated Packaging: Containers should be triple-rinsed, punctured, and sent to permitted waste facility.
Special Precautions: Do not dispose of in drains, sewers, or water sources. Avoid dust creation when handling waste.
Waste Codes: Refer to local authorities for assignment of codes.
Disposal Recommendations: Treat as hazardous waste. Label for chemical waste collection.
UN Number: Not classified as dangerous goods under UN, IATA, IMDG codes
Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not classified as marine pollutant
Special Precautions for User: Shipment in sealed containers recommended. Protect from moisture in transport.
TSCA: Listed in US Toxic Substances Control Act Inventory
REACH: Not registered in the EU, but available for research and development uses
OSHA Regulation: Covered under the OSHA Hazard Communication Standard as hazardous material
SARA Title III (Sections 311/312): Acute health hazard
California Proposition 65: Not listed
International Regulations: Not listed by AICS (Australia), DSL (Canada), ENCS (Japan), or NZIoC (New Zealand) for large-scale use
Other Regulations: Always review occupational, environmental, and health safety regulations relevant to facility location and type of use
