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Material Safety Data Sheet: Tin Tetrachloride Pentahydrate

Identification

Product Name: Tin Tetrachloride Pentahydrate
Chemical Formula: SnCl4·5H2O
CAS Number: 10026-06-9
Synonyms: Stannic Chloride Pentahydrate, Tin(IV) Chloride Pentahydrate
Recommended Uses: Laboratory reagent, catalyst, synthesizing agent, dye industry
Supplier Details: Emergency phone, company address, lab contact specifics

Hazard Identification

Classification: Corrosive to metals, skin corrosion, serious eye damage, specific target organ toxicity with single exposure
Hazard Statements: Causes severe burns to skin and eyes, highly corrosive to respiratory tract, toxic if swallowed, may cause severe irritation or damage to mucous membranes, generates hydrogen chloride fumes causing respiratory distress
Pictograms: Corrosive (GHS05), Health hazard (GHS08), Exclamation mark (GHS07)
Precautionary Statements: Wear protective clothing, ensure proper ventilation, do not breathe vapors, avoid skin and eye contact, wash thoroughly after handling, store locked up, dispose in accordance with local regulations
Signal Word: Danger

Composition / Information on Ingredients

Chemical Identity: Tin Tetrachloride Pentahydrate
Concentration: 100%
Main Hazardous Ingredients: Tin Tetrachloride (SnCl4·5H2O), chloride ions, water of hydration
Impurities: May include trace metallic impurities from manufacturing but typically delivered in high-purity grades for laboratory and industrial use

First Aid Measures

Inhalation: Remove to fresh air, monitor for coughing, wheezing, or shortness of breath, seek medical attention if symptoms persist; administer oxygen or artificial respiration if required
Skin Contact: Remove contaminated clothing, immediately flush skin with water for at least 20 minutes, seek medical help for persistent burning or blistering
Eye Contact: Rinse cautiously with water for 15 minutes including under eyelids, remove contact lenses if present, obtain immediate medical attention
Ingestion: Rinse mouth, never attempt to induce vomiting, drink copious amounts of water if conscious, get rapid medical attention

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical, CO2, foam, or water mist; avoid direct contact with water as strong fumes may be released
Hazards from Combustion: Releases toxic chlorinated gases and tin oxides under fire conditions; hydrogen chloride fumes generate severe irritation
Protective Equipment for Firefighters: Wear chemical splash suit, self-contained breathing apparatus, gloves, and eye protection
Special Precautions: Evacuate area, contain fire water runoff, prevent access to drains and waterways; do not use straight water streams on burning material

Accidental Release Measures

Personal Precautions: Wear full protective gear, respirator with acid gas cartridge, safety goggles, chemical resistant gloves, boots
Environmental Precautions: Prevent from entering soil, sewage systems, or water sources; notify local authorities in case of significant release
Cleanup Methods: Neutralize with sodium bicarbonate or lime, scoop up carefully and place in chemically compatible containers, ventilate spill area, wash area thoroughly with soda solution, properly label and dispose as hazardous waste

Handling and Storage

Handling Advice: Operate in a chemical fume hood, avoid generating dust or aerosols, ensure immediate access to eyewash and safety shower, never mix with alkalies or oxidizers, transfer with non-reactive utensils
Storage Conditions: Store in tightly closed non-metallic containers, keep cool, dry, well-ventilated, segregate from incompatible substances (including water, alkalis, strong bases, and oxidizers), label clearly, prevent moisture ingress, secure against accidental access, regularly inspect containers for corrosion or leaks

Exposure Controls and Personal Protection

Exposure Limits: OSHA PEL tin inorganic compounds (as Sn): 2 mg/m3 (TWA), ACGIH TLV: 2 mg/m3 (TWA)
Engineering Controls: Fume hood or effective local exhaust ventilation, chemical-resistant work surfaces, emergency splash/eye wash stations
Personal Protection: Respiratory protection for aerosol or fume work, chemical splash goggles, butyl rubber gloves, lab coat, acid-resistant apron, closed shoes
Hygiene Measures: Do not eat, drink, or smoke in work area, wash thoroughly after handling, remove contaminated clothing and launder before reuse

Physical and Chemical Properties

Appearance: White to colorless crystalline solid
Odor: Sharp, pungent, acidic odor
Molecular Weight: 350.6 g/mol
Melting Point: 39 °C (decomposes)
Boiling Point: Decomposes before boiling
Solubility: Soluble in water, reacts violently to produce hydrochloric acid fumes
pH: Strongly acidic in aqueous solution
Vapor Pressure: Not available
Density: 2.40 g/cm3 (at 20°C)

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions, decomposes in presence of moisture or warmth
Reactivity: Highly reactive with alkalis, strong bases, oxidizers, metals, moisture
Hazardous Reactions: Produces toxic hydrochloric acid and heat upon contact with water
Decomposition Products: Tin oxides, hydrogen chloride gas
Incompatible Materials: Water, strong bases, alkali metals, oxidizing agents, organic materials

Toxicological Information

Acute Toxicity: LD50 (oral, rat): 175 mg/kg, strong corrosive hazard to gastrointestinal tract
Skin Corrosion/Irritation: Causes deep burns, pain, dermatitis, blistering
Serious Eye Damage: Severe irritation, clouding, conjunctival burns, possible blindness
Respiratory Effects: Irritation, burning sensation, coughing, shortness of breath, risk of pulmonary edema
Chronic Effects: Prolonged exposure may cause lung damage, sensitization, chronic dermatitis
Carcinogenicity: Not classifiable as carcinogenic to humans by IARC or NTP
Other Data: Possible systemic effects through skin or inhalation in high exposures

Ecological Information

Ecotoxicity: Harmful to aquatic organisms by acidification and direct toxicity, risk of bioaccumulation in aquatic settings unclear
Persistence and Degradability: Tin species may persist, chloride ion alters water chemistry
Bioaccumulative Potential: Bioaccumulation data on tin(IV) compounds remains limited, tin may accumulate in sediment
Mobility in Soil: High solubility, highly mobile in water, possible acidification of soils
Other Adverse Effects: Spills contribute to acidification and heavy metals load in water bodies, long-term contamination risk for aquatic environments

Disposal Considerations

Waste Handling: Treat and neutralize with alkali, collect residues in sealed, labeled non-metallic containers
Disposal Methods: Dispose through licensed hazardous waste contractor, incinerate only in regulated facilities, never allow to drain untreated into environment
Local Regulations: Comply with regional, national, federal hazardous waste management rules, obtain proper documentation for final disposal
Packaging: Keep in original or compatible packaging, avoid metal containers, transport with sealed, leak-proof containment

Transport Information

UN Number: UN3260 (Corrosive solid, acidic, inorganic, n.o.s.)
Proper Shipping Name: Corrosive solid, acidic, inorganic, n.o.s. (contains Tin Tetrachloride Pentahydrate)
Transport Hazard Class: 8 (Corrosive)
Packing Group: II (medium danger)
Marine Pollutant: Not listed as marine pollutant, but releases pose risk to waterways
Special Transport Precautions: Keep upright, segregate from food and feedstuffs, ensure vehicle carries spill kit and emergency contacts

Regulatory Information

Inventory Listings: Listed on TSCA, EINECS, DSL, ENCS, and other national inventories
Regulatory Classification: Corrosive under OSHA Hazard Communication Standard, EU CLP Regulation, and GHS
Label Elements: Required hazard pictograms, signal word, hazard and precautionary statements on container
Workplace Safety: Strict compliance with OSHA, EU REACH, and local chemical hygiene regulations
Community-Right-to-Know: Reportable quantity requirements under SARA Title III and related acts, ensure access to Safety Data Sheets for all users