Product Name: 2-Thenoyltrifluoroacetone
Synonyms: TTFA, 1,1,1-Trifluoro-4-(2-thienyl)-3-buten-2-one
CAS Number: 326-91-0
Manufacturer: Information typically found on supplier or packaging
Recommended Use: Laboratory reagent, research chemical, chelating agent
Contact for Emergency: Facility’s emergency response phone
GHS Classification: Acute toxicity oral Category 4, Skin irritation Category 2, Eye irritation Category 2A, Specific target organ toxicity-single exposure Category 3
Pictograms: Exclamation mark
Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes skin irritation; causes serious eye irritation; may cause respiratory irritation
Precautionary Statements: Avoid breathing dust or fumes, wash hands thoroughly after handling, use only outdoors or in well-ventilated area, wear protective gloves/eye protection/face protection, avoid eating, drinking, and smoking when using product
Chemical Name: 2-Thenoyltrifluoroacetone
CAS Number: 326-91-0
Percent: ≥ 99% (pure form)
Impurities: No significant impurities expected in research grade; possible trace solvents depending on supplier
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy, continue rinsing
Skin Contact: Wash with plenty of soap and water, remove contaminated clothing, seek medical attention if irritation develops
Inhalation: Move person to fresh air, seek medical advice if symptoms like coughing or dizziness persist
Ingestion: Rinse mouth with water, seek medical attention, never give anything by mouth to an unconscious person
Most Important Symptoms: Irritation to eyes and skin, possible respiratory tract, stomach discomfort
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, alcohol-resistant foam
Unsuitable Media: Water jets may spread burning material
Specific Hazards: Emits toxic fumes including sulfur oxides, hydrogen fluoride, carbon oxides under fire conditions
Protective Equipment: Firefighters use self-contained breathing apparatus and full protective clothing
Precautions: Evacuate area, fight fire from safe distance, avoid dust generation
Personal Precautions: Wear proper protective equipment including gloves, eye protection, dust mask or respirator
Environmental Precautions: Prevent run-off into soil, drains, surface water
Cleanup Methods: Collect material with inert absorbent, sweep up avoiding dust generation, transfer to container for disposal, ventilate area
Handling: Wear gloves, goggles, lab coat; avoid dust and direct contact; use only with proper ventilation, keep containers tightly closed
Storage: Store in a cool, dry place, away from direct sunlight and sources of ignition, in original or compatible chemical container, segregate from food and drink
Conditions to Avoid: Excessive heat, open flames, strong oxidizers
Storage Temperature: Room temperature, conditions specified by supplier
Exposure Limits: No OSHA or ACGIH limits set for this compound
Engineering Controls: Use chemical fume hood or local exhaust, minimize dust generation
Personal Protection: Nitrile gloves, safety goggles, protective clothing, dust mask (P2 or equivalent) if dust forms, wash hands thoroughly after handling
Hygiene Practices: No eating, drinking, or smoking in work area; remove contaminated clothing and wash before reuse
Appearance: Pale yellow to tan solid, crystalline powder
Odor: Slight characteristic odor
Molecular Formula: C8H5F3O2S
Molecular Weight: 222.19 g/mol
Melting Point: Approx. 43–47 °C
Boiling Point: Not well defined, decomposes
Solubility: Soluble in organic solvents such as methanol, ethanol, acetone; low water solubility
Vapor Pressure: Data not available
Flash Point: Data not available, treat as combustible solid
Partition Coefficient: Log P estimated positive (lipophilic)
pH (solution): Not applicable or data not available
Chemical Stability: Stable under recommended storage conditions
Incompatible Materials: Strong oxidizing agents, strong bases
Hazardous Decomposition Products: Carbon oxides, sulfur oxides, hydrogen fluoride
Hazardous Reactions: None expected under normal conditions
Routes of Exposure: Eyes, skin, inhalation, ingestion
Symptoms: Skin and eye irritation, digestive discomfort, coughing or shortness of breath from dust
Acute Toxicity: Data limited; oral LD50 (rat) estimated 200–500 mg/kg
Chronic Effects: No chronic toxicity reported for humans
Mutagenicity, Carcinogenicity: No listing as carcinogen (IARC, NTP, OSHA); mutagenicity data not available
Aquatic Toxicity: Data not available; treat as potentially harmful
Persistence and Degradation: No data; organic fluorine compounds tend to persist
Bioaccumulation: Likelihood of accumulation in aquatic organisms due to trifluoromethyl group
Environmental Fate: Avoid release into environment; maintain waste controls
Waste Disposal: Dispose by incineration in chemical waste facility, follow local regulations
Unused Product: Place in proper chemical waste container; do not discharge to sewer or environment
Contaminated Packaging: Dispose as chemical waste after rinsing, following regulations
UN Number: Not classified as hazardous for transport
Transport Hazard Class: Not regulated under US DOT, ADR/RID, IATA, IMDG
Packing Group: Not applicable
Special Precautions: Avoid breakage and exposure during transport, use secure packaging
US Regulations: Not listed as hazardous substance under SARA Title III Section 313, TSCA chemical inventory
EU Regulations: Not listed as Substance of Very High Concern (SVHC), not CLP classified
Other Standards: Always check local, state, and national codes before use or disposal; consult safety specialists with regulatory concerns
