MSDS Commentary: 2,6-Difluorobenzaldehyde

Identification

Name: 2,6-Difluorobenzaldehyde
Chemical Family: Aromatic aldehyde, fluorinated benzaldehyde derivative
Molecular Formula: C7H4F2O
Appearance: Pale to light-yellow crystalline solid
Common Application: Used as an intermediate in organic synthesis, particularly for pharmaceuticals and fine chemicals

Hazard Identification

Hazard Classification: Classified as harmful if inhaled or ingested, may cause respiratory irritation, and can be corrosive to the eyes
Labelling Elements: May display warnings about skin and respiratory irritation; GHS labels may feature an exclamation mark
Main Health Risks: Exposure may lead to headaches, irritation of the nose and throat, burning sensation in eyes, and nausea
Environmental Risks: Can exhibit toxicity toward aquatic life, especially with long-term exposure
Flammable Potential: Flammable under certain conditions, with risk of fire if exposed to open flame or heat

Composition / Information on Ingredients

Chemical Identity: 2,6-Difluorobenzaldehyde
CAS Number: 385-07-5
Purity: Generally available at high purity levels when used in laboratory settings
Substance Type: Single-substance organic compound, not a mixture

First Aid Measures

Inhalation: Move to fresh air, seek immediate medical help if symptoms like coughing, shortness of breath, or throat irritation are present
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing; persistent irritation or rash warrants medical attention
Eye Contact: Rinse eyes with plenty of cool water for at least fifteen minutes; keep eyelids open and seek emergency care for burning or impaired vision
Ingestion: Seek immediate medical attention, avoid inducing vomiting; provide water if person is conscious
Special Advice for First Responders: Use protective gloves and goggles, keep sufficient ventilation when responding to any exposure event

Fire-Fighting Measures

Suitable Extinguishers: Dry chemical, foam, or carbon dioxide recommended for small fires; water spray to cool containers
Hazardous Combustion Byproducts: Forms hydrogen fluoride, carbon oxides, and other toxic gases from incomplete burning
Firefighter Protection: Full protective gear with self-contained breathing apparatus
Special Hazards: Dust from solid forms can create explosion risk in confined spaces

Accidental Release Measures

Personal Precautions: Wear eye protection, gloves, long sleeves, and approved respiratory protection
Environmental Precautions: Block run-off into soil or waterways using absorbents or barriers
Clean-Up Methods: Sweep up spilled material gently to avoid dust; place in sealed container for disposal; ventilate area fully
Decontamination: Wash surfaces with water and mild detergent after removal of bulk material

Handling and Storage

Handling Practices: Don’t eat, drink, or smoke while working with this compound; use in well-ventilated areas
Storage Conditions: Keep container tightly sealed in a dry, cool, well-ventilated place; away from heat, ignition sources, acids, or oxidizers
Transfer Procedures: Minimize dust formation, use tools dedicated to this chemical to avoid cross-contamination

Exposure Controls and Personal Protection

Engineering Controls: Chemical fume hood or well-functioning ventilation key to keeping airborne levels low
Personal Protective Equipment: Nitrile or neoprene gloves, chemical safety goggles, lab coat or apron
Respiratory Protection: Use particulate respirators for dust or if working outside a fume hood
Workplace Hygiene: Avoid touching face, clean hands and surfaces after use, keep food and personal items out of workspaces

Physical and Chemical Properties

Form: Crystalline solid with low to moderate solubility in water
Odor: Characteristic aromatic, may smell slightly pungent or sweet
Melting Point: Typically between 40 and 44°C
Boiling Point: About 210°C
Vapor Pressure: Low at room temperature, but dust can become airborne during handling
Solubility: Limited in water, higher in many organic solvents such as ethanol and ether

Stability and Reactivity

Chemical Stability: Stable under recommended storage and handling conditions
Reactive Hazards: Reacts with strong oxidizers, acids, and bases; may form unstable products if heated excessively or under light exposure
Decomposition: Forms hazardous byproducts including hydrogen fluoride and irritating vapors on decomposition

Toxicological Information

Acute Effects: Inhalation leads to respiratory discomfort, dizziness, or headache; ingestion may irritate the stomach, mouth, and throat
Chronic Effects: Extended or repeated exposure can trigger skin and respiratory sensitivity; eye exposure can result in persistent irritation
Target Organs: Lungs, eyes, skin; possible liver or kidney stress in extreme cases
Toxicity Data: Animal studies show significant irritation and some systemic toxicity at moderate doses

Ecological Information

Environmental Persistence: Moderately persistent in soil or water under typical conditions
Aquatic Toxicity: Poses hazards for aquatic organisms, especially in concentrated spills
Bioaccumulation: Risk of bioaccumulating in organisms exposed over time
Degradability: Can undergo slow breakdown by natural processes, but residues linger after accidental releases

Disposal Considerations

Disposal Methods: Collect and deliver to licensed chemical waste disposal facility; avoid pouring down drains
Contaminated Packaging Disposal: Triple-rinse containers before discarding, follow hazardous waste protocols
Legal Compliance: Manage all residuals per local regulations for hazardous organic chemicals

Transport Information

Hazard Class: Recognized as hazardous for road, rail, and air shipping based on potential for toxicity and environmental risk
Packing Recommendations: Use UN-approved containers free from leaks or contamination; keep upright and clearly labeled
Transport Remarks: Avoid shaking or rough handling during transit; carriers should be informed of spill response steps

Regulatory Information

Occupational Guidelines: Exposure limits may be guided by local chemical safety authorities, though specific figures for this compound might be lacking
Environmental Rules: Regulation may fall under broader environmental statutes governing toxic organic compounds and fluorinated chemicals
Workplace Labeling: Containers need durable hazard signs and written warnings accessible in clear sight
Compliance Standing: Regular workplace review and recordkeeping can reduce risks of oversight under occupational safety laws