Product Name: Triphenylsulfonium Nonafluorobutanesulfonate
Product Code: TNSB
Chemical Family: Organic sulfonium salt
Recommended Use: Photoinitiator in photoresists and semiconductor processes
Supplier: Chemical raw material supplier/distributor, regional branch contact details
Emergency Phone: National Poison Control, supplier emergency hotline
Classification: Irritant to skin and eyes, may cause respiratory irritation, environmental hazard to aquatic life
GHS Label Elements: Warning symbol for exclamation mark, aquatic hazard
Hazard Statements: Causes skin and eye irritation, causes respiratory irritation, toxic to aquatic organisms
Precautionary Statements: Avoid contact with skin, eyes, and clothing, prevent release to the environment, use personal protective equipment, provide good ventilation, wash hands after handling
Chemical Name: Triphenylsulfonium Nonafluorobutanesulfonate
CAS Number: 29420-49-3
Molecular Formula: C18H15F9O3S2
Synonyms: TPS NfO, Triphenylsulfonium perfluorobutanesulfonate
Concentration: ≥99% active
Impurities: Handled as proprietary, trace level byproduct sulfonium derivatives
Skin Contact: Immediately wash exposed skin with soap and large amounts of water, remove contaminated clothing and shoes, seek medical attention if irritation or rash develops
Eye Contact: Rinse thoroughly under running water for at least fifteen minutes, lift eyelids occasionally to flush, get immediate medical advice
Inhalation: Move affected person to fresh air, keep at rest, consult physician if symptoms persist or lung irritation occurs
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical assistance right away
Symptoms: Redness, burning, coughing, shortness of breath, irritation to eyes or respiratory tract, potential delayed effects
Suitable Extinguishing Media: Water mist, foam, dry chemical, carbon dioxide
Unsuitable Media: Strong water jet may cause chemical spreading
Hazards: During combustion releases toxic and corrosive fumes including sulfur oxides, HF, CO2, CO, perfluorinated compounds
Protective Equipment: Self-contained breathing apparatus, chemical resistant suit
Special Procedures: Avoid runoff into drains, evacuate area upwind if large quantities ignite, cool containers with water spray to prevent pressure build-up and explosion
Personal Precautions: Evacuate non-essential personnel, ventilate area, wear splash goggles, gloves, chemical suit, dust mask or respirator
Environmental Precautions: Prevent entry into waterways, sewers, or soil, contain spilled material using inert absorbents like sand or earth
Cleanup Methods: Scoop and shovel into sealable containers for disposal, wash affected area with water and detergent
Decontamination: Dispose of in accordance with local and national regulations, monitor surrounding area for contamination
Handling: Use only in ventilated areas, avoid contact with skin and eyes, do not eat, drink, or smoke during use, keep away from incompatible chemicals and ignition sources, repair and inspect equipment regularly
Storage Conditions: Store in original sealed container, keep in dry, cool, well-ventilated location, avoid humidity, segregate from strong acids, bases, oxidizers, keep out of direct sunlight
Compatibility: Do not store together with strong alkalis or strong reducing agents, check manufacturer’s recommendations for packaging material
Exposure Limits: No official workplace limits set, follow chemical hygiene practices and ensure workplace air monitoring
Engineering Controls: Local exhaust ventilation, splash guard, closed system process preferred
Personal Protective Equipment: Chemical splash goggles, gloves resistant to organic solvents, lab coat or safety apron, NIOSH-approved respirator for dust or mist, chemical-resistant footwear
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated work clothing before leaving work area, regular health monitoring for staff
Appearance: White to off-white crystalline powder
Odor: Faint, aromatic
Melting Point: 159–165°C
Boiling Point: Decomposes before boiling
Solubility: Easily soluble in common organic solvents, limited solubility in water
Vapor Pressure: Negligible under ambient conditions
Density: 1.60–1.70 g/cm³ at 20°C
pH: Not applicable in solid state
Flash Point: Not readily flammable
Partition Coefficient: Not measured
Other Properties: Stable under recommended storage conditions, sensitive to moisture
Chemical Stability: Remains stable during standard handling and storage, more reactive in presence of UV or heat
Reactivity: Decomposes under strong acid, alkali, or extreme pH
Hazardous Reactions: Can react with strong reducing agents and oxidizers, supports exothermic breakdown under combustion
Decomposition Products: Sulfur oxides, perfluoroalkyl compounds, phenyl derivatives, hydrogen fluoride
Avoid: Contact with heat, light, moisture, or incompatible substances
Acute Toxicity: Not classified as acutely toxic by oral, dermal, or inhalation exposure in animal models, limited human exposure data
Skin Corrosion/Irritation: Causes moderate skin irritation in contact trials
Eye Damage/Irritation: Causes moderate to severe irritation, redness, watering, pain; may risk chemical conjunctivitis
Respiratory Sensitization: Inhalation of dust leads to coughing, sneezing, mild respiratory effect
Chronic Effects: Long-term exposure studies not conclusive
Carcinogenicity: No evidence of carcinogenicity has been reported
Mutagenicity: No validated mutagenic effects available
Reproductive Toxicity: No reliable data on effects for fertility or embryo development
Aquatic Toxicity: Harmful to aquatic organisms, long-lasting adverse effects on aquatic environment
Persistence: Persists due to perfluorinated structure, resists microbial or chemical breakdown
Bioaccumulation: Potential for accumulation in aquatic or terrestrial biota
Mobility in Soil: Water-soluble fraction can migrate through soil, watch for groundwater impacts
Other Harm: Do not discharge untreated material into surface water, report large spills to authorities
Waste Disposal: Treat as hazardous chemical waste, incinerate under controlled conditions with flue gas scrubbing, avoid landfill when possible
Container Disposal: Rinse containers with compatible solvent, destroy by high-temperature incineration, follow regional requirements for hazardous residues
Precautions: Do not reuse packaging, ensure complete disposal of both chemical and all contaminated materials, document final waste destination for compliance
UN Number: 3077
UN Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (Triphenylsulfonium Nonafluorobutanesulfonate)
Transport Hazard Class(es): 9 (Miscellaneous dangerous substances)
Packing Group: III
Marine Pollutant: Yes
Transport Labels: Appropriate hazard, environmental, and handling marks required
Special Precautions: Avoid exposure to humidity, store and handle according to recommended transport conditions, inform carrier of hazard status
TSCA: Listed for industrial use, check state-level requirements
REACH: Registration required for import or manufacture in the EEA, check current registration status
OSHA Status: Recognized as hazardous material, requires appropriate signage and training in all facilities
WHMIS Classification: D2B (Toxic material causing other toxic effects), D1B (Toxic material causing immediate effects)
Other Regulations: SARA Title III, Section 313 may apply for reporting and controls, complies with international chemical control laws subject to national or territory-specific amendments, contain safety data sheet with shipments
