Product Name: Thiophene-3-Malonic Acid
Synonyms: 2,2'-Dicarboxy-3-thienylacetic acid
Chemical Formula: C7H6O4S
Molecular Weight: 186.19 g/mol
CAS Number: 51779-37-6
Manufacturer: Noted chemical suppliers and lab material distributors
Recommended Use: Laboratory chemical, research and development
Restrictions on Use: Not for use in drug, household, or food applications
GHS Classification: Acute toxicity (oral, dermal), Skin irritation, Eye irritation
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes skin and eye irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid inhalation, avoid contact with skin and eyes, wash hands thoroughly after handling, wear protective gloves and eye protection
Potential Health Effects: May cause respiratory tract irritation, skin sensitivity on prolonged exposure, aggravation of pre-existing skin conditions
Chemical Name: Thiophene-3-Malonic Acid
Concentration: 97-100%
Chemical Formula: C7H6O4S
CAS Number: 51779-37-6
Impurities: Trace organic solvents or by-products depending on synthesis, less than 3% total
Inhalation: Move individual to fresh air, assist breathing as needed, seek medical attention if symptoms persist
Skin Contact: Wash with soap and plenty of water, remove contaminated clothing, consult a physician if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek medical advice
Ingestion: Rinse mouth thoroughly, do not induce vomiting unless directed by medical personnel, get immediate medical help
Most Important Symptoms: Possible irritation, digestive discomfort, skin redness and inflammation
Suitable Extinguishing Media: Water spray, foam, dry chemical, or carbon dioxide
Unsuitable Extinguishing Media: Strong water jets can spread spilled material
Specific Hazards: May produce irritating or toxic fumes, including sulfur oxides and carbon oxides when burning
Protective Equipment: Full firefighting turnout gear and self-contained breathing apparatus
Special Procedures: Cool containers with water, prevent fire-fighting runoff from entering drains or waterways
Personal Protection: Wear gloves, goggles, lab coat or coveralls, ventilate area
Spill Cleanup: Sweep up using non-sparking tools, avoid dust generation, transfer to a secure container, clean surface with appropriate solvent
Environmental Precautions: Prevent entry into soil, ditches, water courses, and drains
Disposal of Collected Material: Use containers labeled for hazardous chemical waste, follow local and federal regulations
Precautions for Safe Handling: Use only with adequate ventilation, wear personal protective equipment, avoid contact and inhalation of dust, wash thoroughly before eating or drinking
Storage Conditions: Store in tightly sealed containers, protected from light, heat, and moisture
Incompatible Materials: Strong oxidizing agents, strong bases
Special Storage Needs: Designated chemical cabinet, away from foodstuffs and combustible materials
Engineering Controls: Fume hood, local exhaust ventilation, safety shower and eyewash station nearby
Personal Protection: Nitrile gloves, lab coat or disposable suit, chemical safety goggles
Respiratory Protection: NIOSH-approved respirator in dusty environments or insufficient ventilation
Hygiene Measures: Do not eat or drink in work areas, change contaminated clothing, wash hands and exposed skin thoroughly after handling
Appearance: Off-white to yellowish powder
Odor: Sulfurous, faint or none
pH: Acidic in solution
Melting Point: Approximately 165-170°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in most polar solvents such as methanol or ethanol, sparingly soluble in water
Vapor Pressure: Not significant at ambient temperature
Density: Around 1.4-1.5 g/cm³
Flash Point: Not applicable;
Auto-ignition Temperature: Data not available
Explosive Properties: Not known to be explosive
Partition Coefficient (n-octanol/water): No data available
Chemical Stability: Stable at recommended storage temperatures, decomposes on strong heating
Possible Reactions: May react with oxidizers, bases
Hazardous Decomposition Products: Sulfur oxides, carbon dioxide, carbon monoxide, other toxic fumes
Conditions to Avoid: Incompatible materials, extreme temperatures, moisture, prolonged exposure to light
Polymerization: Not reported
Likely Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Harmful if ingested, may irritate mucous membranes
Skin Corrosion/Irritation: Irritating to skin on prolonged or repeated contact
Eye Damage/Irritation: Causes eye irritation
Chronic Effects: Not fully studied, may cause dermatitis or respiratory issues on prolonged exposure
Carcinogenicity, Mutagenicity, Reproductive Toxicity: No conclusive data; not listed by IARC, NTP, or OSHA
Other Data: Handle cautiously, assuming potential for harm until data becomes available
Ecotoxicity: No comprehensive studies; avoid discharging untreated into the environment
Persistence and Degradability: Likely to decompose slowly in environment
Bioaccumulative Potential: Lacks data, structure suggests low risk
Mobility in Soil: Expected to be mobile due to polar character
Aquatic Toxicity: Not evaluated, avoid release into watercourses
Other Adverse Effects: Take appropriate steps to prevent chemical runoff
Waste Disposal Methods: Collect waste in compatible, sealed containers, contact licensed chemical disposal provider
Contaminated Packaging: Rinse thoroughly, treat as hazardous waste
Special Precautions: Do not dispose to sewers, surface water, or soil
Legal Requirements: Comply with local, regional, and national waste management regulations for hazardous substances
UN Number: Not regulated as hazardous for ground, air, or sea transport
Transport Hazard Class: Not assigned
Packing Group: Not assigned
Environmental Hazards: None assigned
Special Precautions for User: Ensure container integrity, prevent package breakage, keep away from incompatible materials during transit
Proper Shipping Name: Thiophene-3-Malonic Acid
Other Information: Always follow up-to-date regional and national transport regulations
US TSCA: Subject to TSCA regulations
Canada DSL/NDSL: Listed/anticipated
EU REACH: Registration, evaluation status may apply
Labeling Requirements: GHS labeling, hazard and precautionary statements
Other Country Regulations: Observe specific rules in regions such as Japan, Australia, China
Workplace Safety: OSHA, ACGIH, or national workplace exposure limits may apply
Other Information: Review all user, workplace, and environmental safety guidelines prior to use
