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1. Chemical Identification

• Product Name: 2,6-Difluorobenzamide
• CAS No.: 18063-03-1
• EINECS No.: 241-972-8
• Molecular Formula: C₇H₅F₂NO
• Molecular Weight: 157.12 g/mol
• Appearance: White to off-white crystalline powder

2. Hazard Classification

• Physical Hazards: Not classified under GHS for flammability or explosivity.
• Health Hazards:
  • Acute Toxicity: Harmful if inhaled (R20) and causes irritation to eyes, respiratory system, and skin (R36/37/38).
  • Skin/Eye Contact: Corrosive; may cause severe burns (S26, S37/39).
• Environmental Hazards: No specific classification; avoid release into the environment.

3. Composition/Ingredients

• Active Ingredient: 2,6-Difluorobenzamide (≥98% purity).
• Impurities: Trace amounts of inorganic salts (e.g., sulfates) depending on synthesis method.

4. First-Aid Measures

• Inhalation: Move to fresh air; seek medical attention if symptoms persist.
• Skin Contact: Rinse with water for ≥15 minutes; remove contaminated clothing.
• Eye Contact: Flush eyes with water for ≥15 minutes; seek immediate medical care.
• Ingestion: Rinse mouth; do not induce vomiting; contact a poison control center.

5. Fire-Fighting Measures

• Extinguishing Media: Use water spray, foam, or dry chemical extinguishers.
• Special Hazards: Not combustible; no toxic fumes expected under normal conditions.

6. Accidental Release Measures

• Personal Precautions: Wear PPE (gloves, goggles, respirator).
• Environmental Precautions: Prevent entry into drains or watercourses; contain spill with absorbent materials.

7. Handling and Storage

• Handling: Avoid inhalation of dust; use in a fume hood.
• Storage: Store in a cool, dry, well-ventilated area away from acids and oxidizing agents.

8. Exposure Controls/Personal Protection

• Engineering Controls: Local exhaust ventilation.
• PPE:
  • Respiratory: Dust mask or respirator (NIOSH-approved).
  • Skin: Chemical-resistant gloves.
  • Eyes: Safety goggles or face shield.

9. Physical and Chemical Properties

• Melting Point: 144–148°C
• Boiling Point: 187.7°C at 760 mmHg
• Density: 1.348 g/cm³
• Solubility: Insoluble in water; soluble in organic solvents (e.g., ethanol, DMF).

10. Stability and Reactivity

• Stability: Stable under normal conditions.
• Incompatible Materials: Strong acids, oxidizing agents.
• Hazardous Decomposition: Emits toxic fumes (e.g., nitrogen oxides) if burned.

11. Toxicological Information

• Acute Toxicity:
  • Rat (Inhalation LC₅₀): >2100 mg/m³/4h
• Irritation: Corrosive to skin and eyes.
• Carcinogenicity: Not classified by IARC, NTP, or OSHA.

12. Ecological Information

• Aquatic Toxicity: No data; avoid discharge into water bodies.
• Biodegradability: Not readily biodegradable.

13. Disposal Considerations

• Waste Classification: Hazardous waste (EU Code: 07 02 13*).
• Disposal Methods: Incineration in a licensed facility; ensure complete combustion.

14. Transport Information

• UN Number: Not classified as dangerous goods for transport.
• Packaging Group: N/A
• Transport Hazard Class: N/A

15. Regulatory Information

• Compliance: Complies with REACH, RoHS, and GHS regulations.
• Safety Phrases: S26, S37/39
• Risk Phrases: R20, R36/37/38

16. Other Information

• Use: Intermediate in pesticide synthesis (e.g., flufenoxuron) and pharmaceuticals.
• Supplier Information: Available from chemical suppliers (e.g., Sigma-Aldrich, TCI Chemicals).