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MSDS Commentary: 3-Aminobenzofuran-2-Carboxamide

Identification

Chemical Name: 3-Aminobenzofuran-2-carboxamide
Synonyms: No well-known synonyms in published chemical registries
CAS Number: Not widely standardized or cited in major chemical databases as of this writing
Appearance: Crystalline powder, light beige or tan in most laboratory settings due to trace impurities or sample preparation
Odor: Not strong or distinctive, common among heterocyclic compounds

Hazard Identification

Health Hazards: Unstudied in large populations, but aromatic amines often bring skin and eye irritation, possible allergy risk, and some concern for mutagenicity based on structure-activity analysis
Fire Hazards: Not classified as flammable under standard GHS definitions, though fine powders of organic compounds always raise some dust explosion potential
Environmental Hazards: No published evidence for environmental persistence or bioaccumulation, but benzofuran rings generally stand up to microbial degradation processes poorly, so persistence can't be ruled out
GHS Classification: Most similar chemicals end up with warning labels around chronic health hazard, irritant, or acute toxicity categories

Composition / Information on Ingredients

Main Ingredient: 3-Aminobenzofuran-2-carboxamide
Purity: Research-grade samples usually clock above 96 percent purity
Impurities: Trace benzofuran derivatives, minor synthetic byproducts typical of amide coupling reactions

First Aid Measures

Inhalation: Move to fresh air if exposed to dust or fumes, monitor for respiratory tract irritation; seek care if symptoms linger
Skin Contact: Wash immediately with soap and plenty of water, especially after spills
Eye Contact: Flush eyes for at least 15 minutes under running water, keep eyelids open
Ingestion: Rinse mouth, avoid throwing up intentionally; call poison control if significant ingestion suspected

Fire-Fighting Measures

Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam all work for lab-scale fires
Hazardous Combustion Products: Aromatic amines often release toxic gases including carbon monoxide, oxides of nitrogen, and potentially unsaturated fragments under heat
Protective Equipment: Firefighters gear up with self-contained breathing apparatus and full protective clothing, since unknown organic chemicals often evolve unpredictable smoke

Accidental Release Measures

Personal Precautions: Use gloves, lab coat, goggles; avoid breathing dust
Environmental Precautions: Prevent powder from washing into drains, as trace organics always risk aquatic toxicity and water treatment hassles
Cleanup Methods: Scoop up dry powder gently, use damp paper towels to avoid dust, collect in sealable containers; make sure to clean surface with mild detergent rinse

Handling and Storage

Handling: Open containers in well-ventilated fume hood to limit airborne dust exposure
Storage: Keep in tightly closed vials away from moisture and incompatible chemicals such as strong oxidizers or bases; cool, dry environment best
Hygiene Practices: No eating, drinking, or smoking in the laboratory, frequent hand washing remains best protection

Exposure Controls and Personal Protection

Engineering Controls: Fume hoods work well for powders or procedures involving dust, especially for synthetic reactions
Personal Protection: Wear nitrile gloves, chemical goggles, and lab coat; for prolonged use, choose respiratory mask with particulate filter
Exposure Guidelines: No established occupational exposure limits set, use recommended chemical hygiene guidelines common in academic labs

Physical and Chemical Properties

Physical State: Solid at room temperature
Color: Off-white to tan crystalline powder
Solubility: Modest in polar organic solvents, limited in water due to aromatic core
Melting Point: Range not available from public sources but likely above 150°C based on related carboxamide compounds
Odor Threshold: Not characterized in technical literature

Stability and Reactivity

Chemical Stability: Stable when dry, away from sunlight and heat
Reactivity: Not reactive toward common laboratory solvents; reacts with strong acids or bases only at elevated temperature
Hazardous Decomposition: Thermal breakdown expected to produce aromatic fumes, carbon oxides, amines
Incompatible Materials: Strong oxidants, strong bases, and certain metals under reactive conditions

Toxicological Information

Likely Routes of Exposure: Dust inhalation and skin contact
Acute Toxicity: Data not published, but similar benzofuranamines often show moderate oral or dermal toxicity in animal studies
Chronic Effects: No long-term epidemiological studies available, users should assume risk for skin sensitization, possible genetic effects
Carcinogenicity: No classification by IARC or NTP; structurally related aromatic amines do raise some flags, so limit unnecessary exposure

Ecological Information

Persistence: Aromatic core typically resists rapid microbial breakdown, slow decay likely
Bioaccumulation: No firm data reported, but moderate lipophilicity suggests some bioaccumulation potential
Aquatic Toxicity: No laboratory data available; similar amides sometimes show moderate toxicity to fish or aquatic invertebrates

Disposal Considerations

Waste Treatment: Treat as hazardous organic chemical waste; collect powders and contaminated materials in sealed containers
Incineration: Preferred for destruction because aromatic residues break down more completely at high temperature
Regulatory Status: Dispose through licensed chemical waste contractor—never pour down the drain or throw in regular trash

Transport Information

UN Numbers or Shipping Name: Not assigned by UN Dangerous Goods List as of this writing
Transport Hazard Class: Not regulated for ground or air transport under standard international rules for small research quantities
Packing and Labeling: Store in robust sealed containers with secondary containment to reduce chance of release

Regulatory Information

Lab Safety Rules: Handle under standard good laboratory safety practices; use chemical hygiene plans
Workplace Labeling: Use GHS pictograms for irritant, health hazard for lab-scale usage
Local and National Regulation: No specific rules published in US, Europe, or Japan for this compound; treat using precautionary handling as with novel aromatic amides in research