Ammonium Dichromate CP – 500G

Section 1: Identification

• Product Name: Ammonium Dichromate CP
• Synonyms: Ammonium bichromate, Diammonium dichromate
• CAS Number: 7789-09-5
• Chemical Formula: (NH₄)₂Cr₂O₇
• Recommended Use: Laboratory reagent

Section 2: Hazard Identification

• Classification: Oxidizing solid (Category 2), Carcinogenicity (Category 1B), Reproductive toxicity (Category 2), Specific target organ toxicity – single exposure (Category 3)
• Label Elements: Oxidizer, Carcinogen

Section 3: Composition/Information on Ingredients

• Chemical Name: Ammonium Dichromate
• CAS Number: 7789-09-5
• Concentration: Typically pure

Section 4: First Aid Measures

• Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention if irritation persists.
• Skin Contact: Wash skin thoroughly with soap and water. Remove contaminated clothing. Seek medical attention if irritation develops or persists.
• Inhalation: Remove to fresh air. If breathing is difficult, give oxygen. Seek medical attention.
• Ingestion: Rinse mouth. Do NOT induce vomiting. Immediately seek medical attention.

Section 5: Firefighting Measures

• Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical, carbon dioxide (CO2).
• Specific Hazards: May emit toxic fumes under fire conditions (e.g., nitrogen oxides, chromium oxides).
• Special Protective Equipment and Precautions for Firefighters: Wear self-contained breathing apparatus and full protective gear.

Section 6: Accidental Release Measures

• Personal Precautions: Wear protective equipment. Evacuate personnel to safe areas. Avoid dust formation. Avoid contact with skin and eyes.
• Environmental Precautions: Prevent entry into waterways, sewers, basements, or confined areas. Inform relevant authorities if large spillages occur.
• Methods for Cleaning Up: Sweep up or vacuum up spillage and collect in suitable container for disposal.

Section 7: Handling and Storage

• Handling: Handle with care. Avoid contact with skin and eyes. Use in a well-ventilated area. Wash thoroughly after handling.
• Storage: Store in a cool, dry, well-ventilated area away from incompatible materials (e.g., reducing agents, organic materials).

Section 8: Exposure Controls/Personal Protection

• Engineering Controls: Use local exhaust ventilation if there is risk of inhalation.
• Personal Protective Equipment: Wear chemical splash goggles, chemical-resistant gloves, and appropriate clothing to prevent skin contact. Use respiratory protection if ventilation is inadequate.

Section 9: Physical and Chemical Properties

• Appearance: Orange-red crystals
• Odor: Odorless
• Melting Point: Decomposes above 180°C (356°F)
• Solubility in Water: Soluble

Section 10: Stability and Reactivity

• Stability: Stable under normal conditions.
• Conditions to Avoid: Heat, flames, sparks, and other ignition sources.
• Incompatible Materials: Reducing agents, organic materials, strong acids.

Section 11: Toxicological Information

• Acute Toxicity: LD50 (oral, rat) = 51 mg/kg
• Skin Corrosion/Irritation: May cause skin irritation.
• Serious Eye Damage/Irritation: Causes serious eye irritation.

Section 12: Ecological Information

• Ecotoxicity: Toxic to aquatic life with long-lasting effects. Avoid release into the environment.

Section 13: Disposal Considerations

• Disposal Methods: Dispose of in accordance with local, regional, and national regulations. Consult appropriate regulatory agencies.

Section 14: Transport Information

• UN Number: UN 3288
• Shipping Name: Ammonium Dichromate
• Class: 6.1 (Toxic substances)
• Packing Group: III

Section 15: Regulatory Information

• EU Regulations: Complies with REACH Regulation (EC) No. 1907/2006.