© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Product Name: Closantel Sodium
Chemical Formula: C22H13Cl2IN2Na2O5S
Synonyms: Closantel Sodium Salt, Flukiver Sodium
CAS Number: 61438-64-0
Recommended Use: Anthelmintic veterinary drug
Supplier Details: Manufacturer/Importer details with full contact address and emergency phone numbers
Relevant Identified Uses: Used in livestock for treating parasitic infections
GHS Classification: Acute Toxicity Oral Category 4, Eye Irritation Category 2A, Skin Sensitizer Category 1
Signal Word: Warning
Hazard Statements: May cause eye irritation, harmful if swallowed, may cause skin sensitization
Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, wear eye protection
Chemical Name: Closantel Sodium
Concentration: 98% and above
Impurities: ≤ 2% (Other related substances)
Molecular Weight: 685.23 g/mol
Key Identifiers: Sodium salt of 5-chloro-4-[(4-chlorophenyl)cyanomethyl]-2-methylphenol esterified with sulfonic acid
Stabilizers, Additives: Not present in pure form
Inhalation: Move person to fresh air, keep comfortable, seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing, rinse skin with soap and plenty of water, contact a physician if irritation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if easy, continue rinsing, get medical advice for symptoms
Ingestion: Rinse mouth, do not induce vomiting, give small quantities of water to drink, seek immediate medical help
Advice for Physicians: Treat symptomatically, observe for symptoms of toxicity
Suitable Extinguishing Media: Use dry chemical, CO2, water spray, foam
Unsuitable Extinguishing Media: Full water jet due to risk of spreading
Hazardous Combustion Products: Hydrogen chloride, nitrogen oxides, sulfur oxides, toxic fumes
Protective Equipment: Wear self-contained breathing apparatus and full protective gear
Special Procedures: Isolate area, prevent run-off water entering surface drains, cool containers exposed to fire
Personal Precautions: Use protective gloves, safety goggles, avoid dust formation, ventilate area
Environmental Precautions: Prevent entry to waterways, drains, soil, notify authorities if large spills occur
Containment Methods: Cover spills with inert material like sand, sweep up, avoid generating dust
Clean-up Procedures: Collect spilled material, dispose in suitable containers, wash site with water ensuring no residues remain
Handling: Avoid dust generation, wear protective equipment, use only in well-ventilated areas, keep containers tightly closed
Storage: Store in original container, in cool, dry, well-ventilated space, away from heat and ignition sources, separate from food, drink, and feed
Special Precautions: Keep out of reach of children, no smoking, eating, or drinking in storage area, regularly check for spills or leaks
Exposure Limits: No workplace exposure limits established
Engineering Controls: Local exhaust ventilation, process enclosure
Personal Protection: Chemical resistant gloves, splash goggles, lab coat or coveralls, dust mask or respirator where dust is generated
Hygiene Measures: Wash hands and face before breaks, do not eat or drink while using the product
Appearance: Pale yellow to light brown crystalline powder
Odor: Odorless
pH (1% solution): 6.0 - 8.0
Melting Point: Decomposes above 220°C
Boiling Point: Not applicable
Solubility: Soluble in water and organic solvents (methanol, ethanol, DMSO)
Density: Approx. 1.7 g/cm³
Other Data: Stable under recommended storage, hygroscopic properties not significant, flammability limits not determined
Chemical Stability: Stable under normal temperature and pressure
Possible Hazardous Reactions: Hazardous polymerization not expected
Conditions to Avoid: High temperatures, direct sunlight, strong acids and bases, oxidizing materials
Incompatible Materials: Strong acids, strong oxidizers, reducing agents
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, sulfur oxides, carbon monoxide, carbon dioxide
Acute Toxicity: LD50 (oral, rat) ~331 mg/kg
Skin Irritation: May cause mild irritation on prolonged contact
Eye Effects: Causes moderate eye irritation
Respiratory Effects: Can cause coughing and shortness of breath if dust is inhaled
Sensitization: Prolonged or repeated skin exposure can result in allergic reaction
Mutagenicity, Carcinogenicity: No evidence found for mutagenic or carcinogenic effects in standard tests
Other Effects: Repeated high exposure could affect vision, liver, and nervous system in animals
Toxicity to Fish: Very toxic to aquatic life, LC50 (fish, 96h): 0.1-1 mg/L
Toxicity to Daphnia & Other Aquatic Invertebrates: Notable acute hazard, EC50 (48h): 0.05 mg/L
Persistence and Degradability: Moderately persistent, slow degradation in environment
Bioaccumulative Potential: Potential to bioaccumulate in aquatic organisms
Mobility in Soil: Low to moderate mobility
Other Harmful Effects: Avoid release to environment, risk to livestock and wildlife
Waste Disposal Methods: Dispose of with licensed chemicals disposal company, follow local and national regulations
Packaging Disposal: Triple-rinse containers, render them unusable before disposal, do not reuse for other purposes
Special Precautions: Do not discharge to drains or water courses, incineration in approved facility preferred
UN Number: Not classified as dangerous
UN Proper Shipping Name: Closantel Sodium
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Environmental Hazards: Marine pollutant, dangerous to water environment
Special Precautions: Avoid contamination of water during transport, keep separate from foodstuff
Transport Labels: No hazard label required, consider local transport restrictions
Labelling Requirements: Conforms to country-specific chemical labeling regulations
Inventory Status: Listed or exempted on major chemical inventories (TSCA, EINECS, etc.)
Other Standards: Occupational Safety and Health Administration (OSHA), Globally Harmonized System (GHS) compliance
Restrictions on Use: For veterinary use only, not for human or domestic animal consumption
Additional Regulations: Refer to local, state, and national legislation for handling and use restrictions of veterinary pharmaceuticals
