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Product Name: Methylbenzoquate
Chemical Family: Quinolone Derivative
CAS Number: 3562-84-3
Recommended Use: Laboratory reagent, chemical synthesis
Manufacturer/Supplier Contact: Emergency telephone numbers and address provided by the specific distributor or manufacturer for emergencies involving spills, exposure, or fire.
Synonyms: Methyl benzoquate, Quinoxalinemethanol derivative
Classification: Acute toxicity (oral), Eye irritation, Skin irritation, Environmental hazard
GHS Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes skin and eye irritation; potentially harmful to aquatic life with long-lasting effects
Pictograms: Exclamation mark, Environment
Precautionary Statements: Avoid contact with eyes and skin; wash hands thoroughly after use; prevent release to the environment; use approved personal protective equipment.
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Substance: Methylbenzoquate
CAS Number: 3562-84-3
Concentration: 98% and above
Molecular Formula: C11H10N2O2
Impurities/Other Components: Typically low, may include trace solvents or byproducts from manufacturing process
Inhalation: Move person to fresh air; seek medical attention if symptoms develop such as cough or difficulty breathing.
Skin Contact: Remove contaminated clothing; wash skin thoroughly with soap and water for several minutes; seek medical attention for persistent irritation.
Eye Contact: Rinse cautionsly with lukewarm water for at least 15 minutes; remove contact lenses if present; seek immediate medical care if redness, pain, or visual changes occur.
Ingestion: Rinse mouth with water; do not induce vomiting unless instructed by medical personnel; call poison control and seek immediate professional attention.
Most Important Symptoms: Irritation to eyes and skin, gastrointestinal discomfort, respiratory irritation.
Suitable Extinguishing Media: Use water spray, dry chemical, foam, or carbon dioxide.
Specific Hazards: Fire may produce toxic fumes including oxides of nitrogen and carbon.
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and full protective gear.
Special Procedures: Prevent run-off from entering drains or waterways; cool adjacent containers with water spray to prevent overheating.
Combustion Products: Carbon monoxide, carbon dioxide, nitrogen oxides
Spill Response: Evacuate area; contain spill with inert absorbent material; avoid generating dust.
Personal Precautions: Wear protective clothing, gloves, eye protection, and respiratory mask.
Environmental Precautions: Prevent further leakage; do not allow product to enter drains, surface, or soil.
Cleanup Methods: Sweep or scoop up and place in chemical waste container; ventilate area.
Disposal Containment: Waste must be handled according to local and national regulations.
Handling: Avoid breathing dust or fumes; avoid contact with eyes, skin, and clothing; use only in well-ventilated areas.
Storage Conditions: Store in tightly closed original container in a cool, dry, and ventilated area away from incompatible substances like strong acids and bases.
Incompatibilities: Strong oxidizing agents, reducing agents, acids, alkalis.
Safe Handling Advice: Do not eat, drink, or smoke during use; wash hands thoroughly after handling.
Special Storage Requirements: Protect from sunlight and sources of ignition.
Occupational Exposure Limits: No established TLV or PEL for this material; minimize exposure as much as possible.
Engineering Controls: Use fume hoods, exhaust ventilation, or other engineering controls to keep airborne levels low.
Personal Protective Equipment: Gloves resistant to chemicals, safety goggles, lab coat, and approved respirator for routine handling; emergency showers and eyewash fountains accessible.
Hygiene Practices: Remove contaminated clothing and wash before reuse; maintain clean work area.
Appearance: White to off-white crystalline powder
Odor: Mild, characteristic
pH: Not available
Melting Point/Freezing Point: 180–190 °C (approximate, variation may occur)
Boiling Point: Not established
Flash Point: Not readily flammable
Solubility: Sparingly soluble in water; soluble in methanol, ethanol, DMSO
Vapor Pressure: Not available
Density: Approx. 1.3 g/cm3
Partition Coefficient (n-octanol/water): Not available
Autoignition Temperature: Data not available
Chemical Stability: Stable under normal handling and storage conditions.
Reactivity: May react with strong oxidizers and reducing agents.
Hazardous Reactions: None known under normal use; avoid exposure to strong acids, bases, and oxidizers.
Decomposition Products: Can produce hazardous gases such as nitrogen oxides, carbon monoxide, carbon dioxide at high temperatures.
Conditions to Avoid: High temperatures, exposure to oxidizing or reducing substances.
Acute Toxicity: Oral LD50 in animal studies ranges between 300–2000 mg/kg (species-dependent); data may change with new research.
Skin Irritation: Can cause local irritation and redness with prolonged or repeated contact.
Eye Irritation: May cause redness, tearing, and pain.
Sensitization: No evidence of sensitization in limited studies.
Mutagenicity/Carcinogenicity: Not classified as mutagenic or carcinogenic based on available data; further studies may be required for confirmation.
Other Effects: Nausea, dizziness, gastrointestinal discomfort possible upon exposure.
Toxicity to Aquatic Life: Harmful if released into aquatic environments; LC50 values for fish and daphnia typically within low ppm range.
Mobility: Moderately mobile in soil; significant risk of leaching to water systems.
Persistence and Degradability: Likely to persist under normal environmental conditions due to limited biodegradability reported.
Bioaccumulative Potential: Moderate potential, not expected to bioaccumulate significantly but data is sparse.
Other Adverse Effects: No known ozone depletion; avoid uncontrolled environmental release.
Waste Management: Dispose of as hazardous chemical waste in accordance with federal, state, and local regulations; use licensed disposal contractor.
Container Disposal: Triple-rinse and deliver to approved waste facility; do not reuse containers.
Disposal Methods: Incineration under controlled conditions preferred; avoid landfill whenever possible to protect groundwater.
Special Precautions: Prevent dispersal of spilled material, do not allow entering drains, surface or ground water.
UN Number: Unassigned for this specific substance, may ship as a regulated chemical under UN 3077 (Environmentally Hazardous Substance, Solid, N.O.S.)
Transport Hazard Class: 9 (Miscellaneous Dangerous Substances and Articles if applicable)
Packing Group: III (refer to specific shipment and regulations by country)
Labels Required: Environmentally Hazardous, as appropriate
Special Transport Precautions: Protect against physical damage; keep separately from foodstuffs, acids, and bases.
Marine Pollutant: Classified as a marine pollutant when transported in bulk; follow IMDG Code.
OSHA Hazard Communication: Classified as hazardous per OSHA regulation for toxicity and irritation.
TSCA Inventory Status: May require listing, manufacturer and importer must verify.
SARA Title III – Section 313: Substance not listed, but check for generic reporting requirements based on use.
REACH Status: Registration may be required within the European Union.
WHMIS Classification (Canada): D2B (toxic material causing other toxic effects)
Other Local, State, Federal Regulations: Must be reviewed per jurisdiction, including waste regulations, emissions, and worker safety.
