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Chemical Name: N-Valeraldehyde
Synonyms: Pentanal, Valeral
Chemical Formula: C5H10O
Appearance: Clear, colorless liquid with a pungent odor
Uses: Flavors, fragrances, chemical synthesis intermediates
Classification: Flammable liquid, harmful if inhaled or swallowed
Acute Health Hazards: Irritation of eyes, skin, respiratory tract; potential for central nervous system depression
Chronic Health Hazards: Prolonged exposure sometimes triggers dermatitis or may aggravate pre-existing respiratory conditions
Environmental Hazards: Toxic to aquatic life, especially if spilled in large quantities
Main Ingredient: N-Valeraldehyde, concentration about 97-99% in technical-grade samples
Impurities: Trace levels of higher and lower aldehydes, small amounts of water
CAS Number: 110-62-3
Eye Contact: Rinse promptly with plenty of water for several minutes, consult medical advice if irritation persists
Skin Contact: Remove contaminated clothes, wash area thoroughly with soap and water
Inhalation: Move to fresh air, seek attention if breathing becomes difficult
Ingestion: Rinse mouth with water, medical attention is important, do not induce vomiting without advice
Suitable Extinguishing Media: Use dry chemical, alcohol-resistant foam, or carbon dioxide for small fires; water spray for larger volumes
Special Fire Hazards: Vapors can form explosive mixtures with air above flash point; combustion produces carbon monoxide and carbon dioxide
Protective Equipment: Firefighters need full protective gear including self-contained breathing apparatus
Personal Precautions: Evacuate unprotected personnel, avoid inhalation and skin contact by using gloves and splash goggles
Containment: Ventilate area, eliminate all ignition sources, contain spillage with non-combustible absorbent materials such as sand or earth
Cleanup: Collect residues in suitable containers for proper disposal, flush remaining traces with water detergent solution
Handling: Always keep containers closed, avoid direct contact or breathing vapors, use in well-ventilated locations
Storage: Store in tightly closed, properly labeled drums in a cool, dry, well-ventilated place away from heat sources and oxidizing agents
Storage Temperatures: Avoid temperatures above 30°C for bulk storage
Exposure Limits: Occupational limits for N-Valeraldehyde rarely get established, but maintain exposure as low as practical
Ventilation: Use local exhaust or general ventilation; open handling should always be minimal
Personal Protective Equipment: Wear chemical-resistant gloves, safety goggles, lab coats, and, if vapor levels rise, use organic vapor respirators
Hygiene Measures: Wash hands after handling, do not eat or smoke around the product
Boiling Point: Around 103°C
Melting Point: About -91°C
Flash Point: Near 22°C (closed cup)
Vapor Pressure: Moderate at room temperature
Solubility: Slightly soluble in water, easily mixes with organic solvents
Odor: Strong, pungent, characteristic of aliphatic aldehydes
Chemical Stability: Stable under recommended storage and handling practices
Reactivity: Reacts strongly with oxidizers, acids, bases, can polymerize on contact with strong alkalis
Hazardous Decomposition: Yields carbon monoxide, carbon dioxide, and possibly irritating vapors in a fire or decomposition situation
Acute Effects: Eye and mucous membrane irritation, narcosis in high concentrations, headaches, dizziness
Dermal Sensitization: May cause skin dryness or irritation upon repeated or prolonged exposure
Chronic Toxicity: Some reports suggest repeated exposure may aggravate existing skin or respiratory conditions, but comprehensive human studies remain limited
Aquatic Toxicity: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Readily biodegradable in soil and water, but large spills risk oxygen depletion in water courses
Bioaccumulation: Evidence does not suggest significant bioaccumulation
Waste Disposal: Incinerate or treat in accordance with regional, national, and local regulations
Packaging Disposal: Rinse empty drums, do not reuse for other chemicals, deliver to licensed recyclers or hazardous waste handlers
Environmental Release: Keep out of drains, waterways, and soil to avoid ecosystem harm
Shipping Name: Flammable liquid, N.O.S. (contains N-Valeraldehyde)
Hazard Class: Flammable Liquid
Packing Group: Usually II
Label Requirement: Standard flammable liquid labeling and handling protocols
Precautions: Transport in well-sealed containers, secure against tipping, keep away from food or feed products
Workplace Safety: N-Valeraldehyde often demands compliance with national chemical safety standards and hazardous material regulations
Environmental Regulation: Disposal must respect local waste management laws; reporting required for significant spills or releases in many countries
Labeling: Ensure hazard symbols and risk phrases are clear to handlers, including information on flammability, toxicity, and environmental risks
