Product Name: Tetrabutyl-Phosphonium Thiocyanate
Chemical Formula: C20H44NPS
CAS Number: 241087-07-2
Use: Research, ionic liquid application, catalyst, phase transfer agent
Supplier: Name, address, emergency phone number, and contact information of manufacturer or distributor
SDS Revision Date: Latest update date to ensure data is up to date
Classification: Suspected acute oral and dermal toxicity, causes serious eye irritation, possible skin irritant
Signal Word: Warning
Hazard Statements: Harmful if swallowed or in contact with skin, causes serious eye damage
Precautionary Statements: Wash thoroughly after handling, avoid contact with eyes and skin, use personal protective equipment as required, avoid inhalation of vapors or dust
GHS Pictograms: Exclamation mark, corrosive
Chemical Name: Tetrabutyl-Phosphonium Thiocyanate
Synonyms: Phosphonium, tetrabutyl-, thiocyanate
Concentration: Pure substance, typically over 95%
Impurities: May contain trace byproducts. Details depend on supplier. Address specific needs in laboratory or workplace.
Inhalation: Remove person to fresh air, monitor for respiratory distress, seek medical help if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, seek medical attention if irritation occurs
Eye Contact: Immediately rinse under running water for a minimum of 15 minutes, lifting eyelids, call a physician
Ingestion: Rinse mouth thoroughly, avoid inducing vomiting, get immediate medical attention
Most Important Symptoms: Eye irritation, skin redness, gastrointestinal discomfort, coughing
Suitable Extinguishing Media: Use alcohol-resistant foam, dry chemical, or carbon dioxide
Unsuitable Extinguishing Media: Direct water jet may spread material
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, phosphorous oxides, nitrogen oxides, sulfur oxides
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective clothing
Advice for Firefighters: Approach from upwind, prevent run-off from entering drains or water courses
Personal Precautions: Wear appropriate gloves, goggles, and protective clothing, ensure good ventilation, evacuate unnecessary personnel
Environmental Precautions: Prevent further leakage or spillage, do not allow product to enter drains, water courses, or soil
Methods for Containment: Cover with dry absorbent material such as sand, collect for disposal in labeled containers
Clean-up Procedures: Sweep or scoop up, ventilate area, thoroughly wash spill site after material pick-up is complete
Handling: Avoid creating dust or aerosols, don’t eat, drink, or smoke while using the product, wash hands after use, use only with adequate ventilation
Storage: Store in tightly closed original container, keep in cool, dry, well-ventilated area, protect from moisture and direct sunlight, segregate from strong acids, bases, oxidizers, or incompatible substances
Special Rules: Keep away from food and beverages, store at recommended temperature as indicated on the packaging
Engineering Controls: Use fume hoods, local exhaust, and proper laboratory ventilation systems
Personal Protective Equipment (PPE): Safety goggles, gloves (nitrile recommended), lab coat, respiratory protection for high concentrations
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing, don’t eat, drink, or smoke in work area
Exposure Limits: No established regulatory exposure limits, assess risk and use adequate controls based on hazard
Appearance: Colorless or pale-yellow liquid or crystalline solid
Odor: Weak, sulfurous
Odor Threshold: Not established
pH: Neutral in solution
Melting Point/Freezing Point: Typically around 65–80 °C, depending on purity
Boiling Point: Decomposes before boiling
Flash Point: >100 °C
Evaporation Rate: Not available
Flammability: Not highly flammable, but may support combustion
Vapor Pressure: Low, not volatile
Solubility: Partially soluble in water, highly soluble in organic solvents
Partition Coefficient (Log Kow): Not determined
Decomposition Temperature: Decomposes above 180 °C
Viscosity: Medium (for liquid state)
Chemical Stability: Stable under recommended storage conditions
Reactive Conditions: Contact with strong acids, oxidizers, or bases may produce hazardous reactions
Incompatible Materials: Strong oxidizing or reducing agents, acid chlorides, anhydrides
Hazardous Decomposition Products: Toxic fumes of sulfur oxides, nitrogen oxides, phosphorus oxides, carbon monoxide
Polymerization: No hazardous polymerization expected
Acute Toxicity: Oral and dermal exposure can be harmful, information from animal studies may be limited, likely causes irritation
Skin Corrosion/Irritation: Causes redness and possible burns with prolonged exposure
Eye Damage/Irritation: Risk of serious eye injury upon direct contact
Respiratory Sensitization: Inhalation of dust or aerosol can cause headaches, dizziness, irritation of respiratory tract
Chronic Toxicity: No long-term exposure studies in humans; potential risks similar to other quaternary phosphonium compounds
Carcinogenicity: No data supporting classification as carcinogen by NTP, IARC, or OSHA
Mutagenicity: Insufficient data; avoid unnecessary long-term exposure
Reproductive Toxicity: Not established
Ecotoxicity: Harmful to aquatic organisms, may cause long-term adverse effects in aquatic environments
Persistence and Degradability: Limited biodegradability, may persist in soil and water
Bioaccumulative Potential: Not expected to bioaccumulate significantly, but data are limited
Mobility in Soil: Mobile in soil and may contaminate groundwater
Other Adverse Effects: Release to the environment must be avoided; use containment measures to limit exposure
Waste Treatment Methods: Dispose as hazardous chemical waste via licensed contractor
Waste Packaging: Containers and unused material should be incinerated or disposed according to local, state, and federal regulations
Recommendations: Don’t discharge into drains or the environment; consult authorities for proper disposal procedures
UN Number: Consult packaging or supplier for applicable information
Proper Shipping Name: Chemical, n.o.s. (Tetrabutyl-phosphonium thiocyanate)
Transport Hazard Class: 6.1 (Toxic substances, depending on classification)
Packing Group: III (If regulated as dangerous goods)
Environmental Hazards: Harmful to aquatic life—marine pollutant in some jurisdictions
Special Precautions: Protect containers from physical damage, ensure labels are secure and visible, avoid rough handling
TSCA Status: Check status with US EPA’s Toxic Substances Control Act
OSHA: Not specifically regulated, but general duty to protect workers from hazardous chemicals applies
SARA (Title III): Not listed under extremely hazardous substances, confirm with Section 313
DSL/NDSL (Canada): Check compliance for import or use
REACH (EU): Substance might not be listed on the REACH registry, verify before production or sale
Other Regulations: Local, state, and international regulations require up-to-date labeling, thorough risk assessment, and proper employee training
Labelling Requirements: Clearly list hazards, use GHS pictograms, include hazard and precautionary statements
