Product Name: 3-Iodothiophene
Chemical Formula: C4H3IS
CAS Number: 7326-90-5
Recommended Use: Research, organic synthesis, chemical manufacturing
Supplier Contact: Laboratory chemical supplier details, emergency phone number provided by distributor
Synonyms: 3-Iodo-thiophene, Thiophene, 3-iodo-
GHS Classification: Acute Toxicity (Oral, Skin, Inhalation): Category 4
Pictograms: Exclamation mark for warning
Signal Word: Warning
Hazard Statements: Harmful if swallowed, inhaled, or in contact with skin. Irritating to eyes, skin, and respiratory system.
Precautionary Statements: Avoid breathing dust or vapor, use in well-ventilated spaces, wear protection. Wash thoroughly after handling, prevent environmental release.
Chemical Name: 3-Iodothiophene
Concentration: 95–100% by weight
Other Ingredients: No significant impurities affecting classification
Molecular Weight: 209.04 g/mol
Inhalation: Remove to fresh air, keep comfortable for breathing, seek medical attention if symptoms persist.
Skin Contact: Wash skin thoroughly with plenty of soap and water, take off contaminated clothing.
Eye Contact: Rinse carefully with water for several minutes, remove contact lenses, continue rinsing.
Ingestion: Rinse mouth, do not induce vomiting, call poison control or a doctor.
Symptoms: Irritation, coughing, shortness of breath, redness or rash, sensitization possible on repeated contact.
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, water spray for larger fires
Specific Hazards: May release toxic iodine, sulfur oxides, and fumes under fire conditions
Protective Equipment: Firefighters use self-contained breathing apparatus, chemical protective suit
Special Precautions: Evacuate area, fight fire from safe distance, keep containers cool with water spray
Personal Precautions: Wear gloves, lab coat, eye protection, avoid inhaling dust or vapor
Environmental Precautions: Prevent entry into drains, waterways, soil
Cleanup Methods: Absorb spills with inert material, sweep/shovel into suitable container, ventilate area, dispose according to regulations
Disposal: Place in chemical waste container with clear labeling, avoid dust generation
Handling: Work in fume hood, minimize airborne dust/vapor, avoid contact with eyes, skin, clothing, wash hands before breaks
Storage: Store in cool, dry, well-ventilated space, tightly sealed container, away from oxidizers, incompatible materials
Storage Conditions: Protect from light and humidity, segregate from food and drink
Engineering Controls: Fume hood, local exhaust ventilation
Personal Protective Equipment: Safety goggles, chemical-resistant gloves (nitrile, neoprene), lab coat, closed-toe shoes
Respiratory Protection: If ventilation inadequate, use approved respirator
Work Hygiene: Do not eat, drink, or smoke in handling area, wash thoroughly after handling
Appearance: Colorless to pale yellow liquid or low-melting solid
Odor: Sharp, not pleasant
Melting Point: 20–24°C
Boiling Point: 185–186°C
Flash Point: Not determined; expected to be above room temperature
Solubility: Moderately soluble in organic solvents (ethanol, ether), low in water
Density: Around 2.1 g/cm³
Vapor Pressure: Low at room temperature
pH: Not applicable
Partition Coefficient: logP not available
Chemical Stability: Stable under recommended conditions
Incompatible Materials: Strong oxidizing agents, strong bases, metals
Hazardous Decomposition: Toxic iodine gas, sulfur oxides under fire or decomposition
Reactivity: Not particularly reactive, but can form hazardous fumes if heated or mixed with incompatible substances
Routes of Exposure: Inhalation, ingestion, dermal contact, eye contact
Acute Toxicity: Moderate, causes irritation to respiratory tract, digestive tract, skin, eyes
Delayed Effects: Prolonged contact may lead to sensitization, allergic reactions
Carcinogenicity: Not listed as carcinogen by IARC, NTP, OSHA
Other Data: Limited data on chronic toxicity; handle with care to avoid unnecessary exposure
Aquatic Toxicity: Harmful to aquatic life, avoid environmental exposure
Persistence/Degradability: No data; likely not readily biodegradable
Bioaccumulation: Potential for bioaccumulation exists due to iodine content
Mobility in Soil: Likely limited due to low water solubility
Other Adverse Effects: No large-scale environmental use, but improper disposal may contribute to contamination
Waste Treatment Methods: Collect in labeled containers as hazardous chemical waste
Disposal Regulations: Follow local, regional, and national laws for hazardous waste
Contaminated Packaging: Dispose as chemical waste after thorough cleaning
Avoid Release: Do not pour into drains, soil, surface waters, or general trash, use licensed chemical disposal facility
UN Number: 2810
Shipping Name: Toxic liquid, organic, n.o.s. (3-Iodothiophene)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: III
Labels: Toxic, environmental hazard may apply
Special Precautions: Secure container, avoid temperature extremes, check for leaks, ensure manifest lists correct hazard class
Classification: Subject to chemical labeling requirements in workplaces
Inventory Status: Listed on TSCA, DSL, REACH (if imported to EU)
Other Regulations: Not regulated as carcinogen, but hazardous if improperly stored or handled
Worker Protection: Covered by OSHA standards for hazardous chemicals
Environmental Regulations: Must comply with local and international chemical disposal regimens, report accidental releases as required by law
