Product Name: 7-Methoxy-5-Methylbenzo[B]Thiophene
Synonyms: Not established
Chemical Formula: C10H10OS
Molecular Weight: 178.25 g/mol
CAS Number: 1249192-47-1
Recommended Use: Research and industrial applications
Manufacturer Contact: Refer to supplier’s label
Emergency Contact Number: Refer to regional poison control or company emergency number
GHS Classification: Not classified as hazardous under GHS
Physical Hazards: May form dust; fine particles can ignite under certain conditions
Health Hazards: May cause skin/range irritation, potential eye irritation, avoid breathing dust
Environmental Hazards: Not identified as a marine pollutant; details limited
Label Elements: No symbol required under GHS
Precautionary Statements: Avoid contact with skin and eyes, use in well-ventilated area
Other Hazards: May cause allergic skin reaction in sensitive individuals
Chemical Name: 7-Methoxy-5-Methylbenzo[B]Thiophene
Concentration: ≥98% by weight
Impurities or Stabilizing Additives: No significant components identified
EC-No: Not assigned
REACH Registration No.: Not available
Inhalation: Move person to fresh air, keep at rest, seek medical advice if symptoms persist
Skin Contact: Wash skin thoroughly with soap and water, remove contaminated clothing, medical attention not usually required unless irritation develops
Eye Contact: Rinse carefully with water for several minutes, remove contact lenses if present and easy, seek medical evaluation if irritation continues
Ingestion: Rinse mouth, drink water (do not induce vomiting), seek medical attention if unwell
Most Important Symptoms/Effects: No long-term effects established, local irritation possible
Advice for Medical Personnel: Treat based on symptoms, support respiratory and cardiovascular functions
Suitable Extinguishing Media: Water spray, foam, dry powder, or carbon dioxide
Specific Hazards from the Chemical: May emit toxic fumes of carbon monoxide, carbon dioxide, sulfur oxides
Special Protective Equipment for Firefighters: Use self-contained breathing apparatus and protective clothing
Firefighting Procedures: Avoid inhalation of combustion products, contain run-off from fire control to prevent environmental contamination
Hazardous Decomposition Products: Carbon oxides and sulfur oxides under fire conditions
Personal Precautions: Use personal protective equipment, avoid dust formation, ventilate area
Environmental Precautions: Do not allow product to reach drains or water sources
Methods for Clean-Up: Sweep up and collect in suitable container, dispose of as chemical waste
Reference to Other Sections: Refer to section on exposure controls and disposal
Precautions for Safe Handling: Wear suitable protective equipment, avoid dust, prevent ingestion or inhalation
Conditions for Safe Storage: Store in tightly closed container, in a cool, dry, well-ventilated area, away from incompatible substances
Recommended Storage Temperature: 2–8°C preferred
Storage Class: Chemical storage (non-regulated solids)
Exposure Limit Values: No established occupational exposure limits
Engineering Controls: Use local exhaust ventilation, avoid formation of airborne particles
Personal Protective Equipment:
Gloves for chemical protection (nitrile or PVC recommended), eye protection (safety glasses or goggles), lab coat, use respiratory protection if dust or aerosols are formed
Hygiene Measures: Wash hands thoroughly after handling, do not eat, drink or smoke during use, remove contaminated clothing
Appearance: Off-white to light yellow powder
Odor: Not significant or not characterized
Odor Threshold: Not established
pH: Not applicable (solid)
Melting Point/Freezing Point: 111–115 °C
Boiling Point/Range: Not identified
Flash Point: Not determined
Evaporation Rate: Not applicable
Flammability: Possible as dust
Vapor Pressure: Not determined
Vapor Density: Not applicable
Relative Density: Not measured
Solubility: Slightly soluble in water; more soluble in organic solvents (e.g., DMSO)
Partition Coefficient (n-octanol/water): Not determined
Auto-Ignition Temperature: Not measured
Decomposition Temperature: Not established
Viscosity: Not applicable (solid)
Chemical Stability: Stable under recommended storage conditions
Reaction with Other Chemicals: Avoid strong oxidizing agents
Possibility of Hazardous Reactions: No polymerization or hazardous reactions known
Conditions to Avoid: Heat, sparks, open flame, incompatible substances
Incompatible Materials: Strong oxidizers, acids, bases
Hazardous Decomposition Products: Sulfur oxides, carbon monoxide, carbon dioxide
Acute Toxicity: No data on LD50; low acute toxicity expected based on structure
Skin Corrosion/Irritation: Possible mild irritation with direct contact
Eye Damage/Irritation: May cause eye irritation
Respiratory Sensitization: No hazard identified
Skin Sensitization: Possible in susceptible individuals
Germ Cell Mutagenicity: Not tested
Carcinogenicity: Not listed as cancer-causing by IARC, NTP, ACGIH, or OSHA
Reproductive Toxicity: No data available
Repeated Dose Toxicity: Not evaluated
Other Relevant Effects: Always exercise caution handling chemicals of unknown toxicity
Ecotoxicity: Insufficient data on aquatic or terrestrial toxicity
Persistence and Degradability: Not studied; limited data available
Bioaccumulative Potential: No data; structure suggests potential for moderate bioaccumulation
Mobility in Soil: Not characterized
Other Adverse Effects: None identified; minimize environmental release
Waste Treatment Methods: Dispose at licensed chemical waste facility
Disposal of Contaminated Packaging: Treat as hazardous waste; triple rinse before recycling or landfill if allowed
Relevant Regulations: Follow regional, national, and local laws
Other Disposal Concerns: Do not pour down drain or into environment
International Transport (IMDG/IATA/ADR): Not regulated as dangerous goods
UN Number: Not assigned
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant
Special Precautions for User: Avoid jumping, dropping, or compressing containers
Bulk Transport (Annex II of MARPOL 73/78 and IBC Code): Not applicable
TSCA Status: Not listed on US TSCA inventory
EU Regulations: Not currently registered under REACH
Canada (DSL/NDSL): Not present
OSHA Hazards: Not classified as hazardous
SARA 302/313: Not regulated
State Regulations: No information under Prop 65 or related lists
Other International Regulations: Check appropriate national inventories for latest information
