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Aniline Acetate MSDS

Identification

Product Name: Aniline Acetate
Chemical Name: Aniline acetate
Synonyms: Acetic acid anilide
Chemical Formula: C8H9NO2
CAS Number: 628-46-6
Recommended Use: Laboratory reagent, chemical analysis, synthesis of dyes
Manufacturer Details: Contact local supplier or chemical distributor for source information
Emergency Contact Number: Access Poison Control or chemical incident hotlines listed on shipment container

Hazard Identification

Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes skin irritation, causes serious eye irritation, may cause respiratory irritation
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
Precautionary Statements: Avoid breathing dust/fume/gas/mist/vapors/spray, wash hands thoroughly after handling, wear protective gloves, eye protection, face protection, call a poison center in case of significant exposure
Potential Health Effects: Inhalation leads to respiratory tract discomfort, skin contact can leave redness and soreness, eye contact causes stinging or watering, ingestion brings nausea, headache, possibly serious poisoning

Composition / Information on Ingredients

Chemical Composition: Single substance
Aniline Acetate: >98% by weight
Impurities: Less than 2% (often unlisted, consult product label)
Additives: No additives reported
Mixture: Not a mixture, pure compound for chemical use

First Aid Measures

Inhalation: Remove individual to fresh air, keep comfortable and at rest, seek medical advice if symptoms like coughing or shortness of breath persist
Skin Contact: Take off contaminated clothing, wash skin with soap and plenty of water, do not rub affected area, get medical attention if irritation persists
Eye Contact: Rinse thoroughly with plenty of water, lift eyelids, continue washing for at least 15 minutes, remove contact lenses if present and easy to do, seek immediate medical care
Ingestion: Rinse mouth, do not give anything by mouth to an unconscious person, do not induce vomiting, seek medical attention promptly
Most Important Symptoms/Effects: Red or irritated eyes, sore throat, headache, drowsiness, shortness of breath, possibly cyanosis (bluish color to skin or lips in severe cases)

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical, carbon dioxide, water spray, foam
Special Hazards: Burning releases toxic fumes of nitrogen oxides, carbon oxides
Firefighter Protection: Wear approved self-contained breathing apparatus and chemical-resistant turnout gear
Hazardous Combustion Products: Nitrogen oxides, carbon monoxide, carbon dioxide, possibly other unidentified toxic gases

Accidental Release Measures

Personal Precautions: Put on gloves, goggles, and a lab coat or chemical-resistant apron, ensure good ventilation, avoid breathing dust or vapors
Environmental Precautions: Keep out of drains, surface water, and soil, contain spill with non-combustible absorbents such as sand or vermiculite
Cleanup Methods: Scoop up with non-sparking tools, place in a labeled, sealable container, clean area with plenty of water, ventilate area after containment
Disposal: See disposal section for hazardous waste handling

Handling and Storage

Handling: Use in a chemical fume hood, avoid dust generation, do not breathe vapors or dust, wear appropriate chemical-resistant gloves, goggles, use appropriate transfer tools
Storage Conditions: Store in a tightly closed container, keep in a well-ventilated, dry, cool place, shield from direct sunlight and incompatible materials such as oxidizers, acids, strong bases
Container Requirements: Use glass or chemical-resistant plastics, keep upright and avoid impacts, store away from food and drink
Incompatibilities: Keep separate from oxidizing agents, acids, and alkalis

Exposure Controls and Personal Protection

Occupational Exposure Limits: No established OSHA, ACGIH, or NIOSH exposure limits for aniline acetate
Engineering Controls: Work in chemical fume hood or area with effective local ventilation
Personal Protective Equipment (PPE): Chemical-resistant gloves (nitrile, neoprene), safety goggles or face shield, lab coat with long sleeves, respiratory protection if dust or vapors become excessive, use specific workplace respirator safety guidelines
Hygiene Practices: Wash hands and forearms thoroughly after handling, do not eat, drink, or smoke in work area, rinse PPE after use, store away from children and unauthorized personnel

Physical and Chemical Properties

Appearance: Colorless or pale yellow crystalline solid or powder
Odor: Slightly sweet or faint aromatic
Molecular Weight: 151.16 g/mol
Melting Point: 110–113°C (230–235°F)
Boiling Point: Decomposes before boiling
Solubility: Soluble in water, ethanol, and ether
Density: Approximately 1.18 g/cm³
pH: Not applicable for solid; slightly acidic in solution
Flash Point: Not available
Partition Coefficient: log Kow not available

Stability and Reactivity

Chemical Stability: Stable under normal temperatures and pressures
Possible Hazardous Reactions: May react with strong oxidizing agents, acids, and alkalis
Conditions to Avoid: Exposure to moisture, prolonged heating, and incompatible chemicals
Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide
Polymerization: Not expected under recommended storage and handling conditions

Toxicological Information

Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Acute Effects: Irritation to eyes, skin, respiratory tract, digestive tract
Chronic Effects: Prolonged exposure can affect liver, kidney, and blood (methemoglobinemia), overexposure might cause headache, dizziness, convulsions, cyanosis
LD50 (Oral, rat): Not precisely reported for acetate, aniline base around 250–500 mg/kg
Carcinogenicity: No classification from IARC, NTP, or OSHA as carcinogenic
Mutagenicity/Reproductive Toxicity: No specific data; analogs (anilines) have shown potential for reproductive system effects with chronic exposure, always minimize exposure and practice proper safety

Ecological Information

Aquatic Toxicity: Expected harmful to aquatic organisms, avoid as runoff or waste
Persistence and Degradability: May degrade in presence of sunlight and bacterial action but not considered readily biodegradable
Bioaccumulative Potential: Estimated low, limited data for the acetate salt
Mobility in Soil: Moderate, soluble; can leach into soil and groundwater streams, especially near chemical disposal sites
Other Adverse Effects: Careless handling impacts local aquatic life; lowering oxygen environments due to oxidation of breakdown products

Disposal Considerations

Disposal Methods: Collect in a tightly sealed chemical waste container, label and store for hazardous waste pickup
Recommended Disposal: Incinerate under controlled conditions in accordance with federal, state, or local environmental regulations
Special Instructions: Do not flush to drains, land, or regular trash, do not re-use empty containers, handle residues as chemical waste
Regulatory Waste Codes: Consult EPA or local waste authority

Transport Information

UN Number: Not assigned specifically for aniline acetate; check shipment-specific data
UN Proper Shipping Name: Not regulated internationally as hazardous
Transport Hazard Class: Not classified
Packing Group: Not assigned
Special Precautions: Package to prevent leaks, avoid accidental mixing with other reactive chemicals, confirm labeling on all packages before shipment

Regulatory Information

US Regulations: Not specifically listed under SARA, CERCLA, or RCRA, but all anilines considered hazardous; report unintentional releases to proper authorities
TSCA: Listed on inventory
EU Regulations: Complies with REACH as an industrial chemical; safety and exposure limited depending on use
Canada: DSL/NDSL listed
Labeling Requirements: Follow GHS/OSHA and local chemical labeling laws with hazard pictograms, warning signs, emergency contact information
Worker Training: All users should undergo chemical safety training for hazardous substances