Ascorbic Acid

Ascorbic Acid, commonly known as Vitamin C, is a water-soluble vitamin found in various fruits and vegetables.

1. Identification

• Product Name: Ascorbic Acid
• Synonyms: Vitamin C, L-Ascorbic Acid,
• Recommended Use: Dietary supplement, antioxidant, laboratory chemical.

2. Hazard Identification

• Classification of the substance or mixture: Not classified as hazardous according to GHS.
• Label Elements:
  • Signal Word: None
  • Hazard Statements: Not applicable
  • Precautionary Statements: Not applicable
• Other Hazards: May cause slight irritation to eyes and skin.

3. Composition/Information on Ingredients

• Substance:
  • Chemical Name: L-Ascorbic Acid
  • CAS No.: 50-81-7
  • EINECS No.: 200-066-2
  • Purity: ≥ 99%

4. First-Aid Measures

• Inhalation: Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention if symptoms persist.
• Skin Contact: Wash off with soap and plenty of water. Seek medical advice if irritation develops.
• Eye Contact: Rinse thoroughly with plenty of water for at least 15 minutes. Seek medical advice if irritation persists.
• Ingestion: Rinse mouth with water. Seek medical attention if symptoms occur.

5. Fire-Fighting Measures

• Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.
• Specific Hazards: Combustible. Emits toxic fumes under fire conditions.
• Protective Equipment: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

6. Accidental Release Measures

• Personal Precautions: Use personal protective equipment. Avoid dust formation. Ensure adequate ventilation.
• Environmental Precautions: Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
• Methods for Containment and Cleaning Up: Sweep up and shovel. Keep in suitable, closed containers for disposal.

7. Handling and Storage

• Handling: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Provide appropriate exhaust ventilation at places where dust is formed.
• Storage: Store in a cool, dry, well-ventilated place. Keep container tightly closed. Protect from light and moisture.

8. Exposure Controls/Personal Protection

• Control Parameters:
  • Occupational Exposure Limits: No data available.
• Engineering Controls: Use adequate general or local exhaust ventilation to keep airborne concentrations below permissible exposure limits.
• Personal Protective Equipment:
  • Eye Protection: Safety glasses with side shields.
  • Skin Protection: Protective gloves.
  • Respiratory Protection: Use NIOSH/MSHA-approved respirators if ventilation is inadequate.

9. Physical and Chemical Properties

• Appearance: White to light yellow crystalline powder.
• Odor: Odorless.
• pH: 2.1 – 2.6 (50 g/L water solution at 25°C)
• Melting Point: 190 – 192°C
• Boiling Point: Decomposes
• Flash Point: Not applicable
• Evaporation Rate: Not applicable
• Flammability: Not flammable
• Vapor Pressure: Not applicable
• Vapor Density: Not applicable
• Density: 1.65 g/cm³
• Solubility: Soluble in water (330 g/L at 20°C)

10. Stability and Reactivity

• Reactivity: No specific test data related to reactivity available for this product or its ingredients.
• Chemical Stability: Stable under recommended storage conditions.
• Possibility of Hazardous Reactions: Hazardous polymerization does not occur.
• Conditions to Avoid: Exposure to light, heat, and moisture.
• Incompatible Materials: Strong oxidizing agents, bases, copper, iron.
• Hazardous Decomposition Products: Carbon oxides.

11. Toxicological Information

• Acute Toxicity:
  • Oral LD50: > 2000 mg/kg (rat)
• Skin Corrosion/Irritation: May cause skin irritation.
• Serious Eye Damage/Irritation: May cause eye irritation.
• Respiratory or Skin Sensitization: Not classified.
• Germ Cell Mutagenicity: Not classified.
• Carcinogenicity: Not classified.
• Reproductive Toxicity: Not classified.
• STOT-Single Exposure: Not classified.
• STOT-Repeated Exposure: Not classified.
• Aspiration Hazard: Not classified.

12. Ecological Information

• Ecotoxicity: Not classified as environmentally hazardous.
• Persistence and Degradability: Readily biodegradable.
• Bioaccumulative Potential: No data available.
• Mobility in Soil: No data available.
• Other Adverse Effects: No data available.

13. Disposal Considerations

• Waste Treatment Methods: Dispose of contents/container in accordance with local/regional/national/international regulations.