Product Name: Diquat Dibromide
Recommended Use: Herbicide for agricultural and non-crop settings
Manufacturer: Listed by select agrochemical companies
Emergency Telephone: Manufacturer’s 24-hour hotline
CAS Number: 85-00-7
Classification: Acute toxicity (oral, dermal, inhalation), eye irritation, aquatic toxicity
Hazard Statements: Toxic if swallowed, can cause skin and eye irritation, risk of serious damage to eyes, can harm aquatic life with long-term effects
Signal Word: Danger
Pictograms: Skull and crossbones, exclamation mark, environment
Precautionary Statements: Avoid contact with skin and eyes, do not breathe spray, use personal protection, avoid environmental release
Chemical Name: Diquat Dibromide
Chemical Formula: C12H12Br2N2
Concentration: 35-41% by weight (varies by formulation)
Other Ingredients: Water, inert additives, surfactants
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek immediate medical attention
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water, get medical advice if irritation persists
Inhalation: Move person to fresh air, if symptoms arise get medical attention
Ingestion: Do not induce vomiting, rinse mouth, get immediate medical help
Important Symptoms: Burning, irritation, headache, nausea, convulsions in severe cases
Suitable Extinguishing Media: Foam, dry chemical, carbon dioxide
Unsuitable Media: Direct water streams for larger fires
Hazardous Decomposition: May release toxic fumes including nitrogen oxides or bromine compounds
Protective Equipment: Full protective gear, self-contained breathing apparatus
Advice for Firefighters: Keep containers cool with water spray, prevent runoff to water bodies
Personal Precautions: Wear chemical-resistant gloves, goggles, boots, avoid breathing in dust or vapor
Environmental Precautions: Prevent entry into waterways, sewers, drains
Spill Cleanup: Absorb with earth or non-combustible material, collect into containers, wash spill site after material pickup
Disposal: Refer to disposal section, contaminated soil requires special handling
Safe Handling: Use only in well-ventilated spaces, avoid contact with skin, eyes, clothing, avoid inhaling mist
Storage Conditions: Store away from food and drink, keep container tightly closed and locked in dry, cool, well-ventilated area
Storage Incompatibilities: Separate from strong oxidizers, acids
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing before entering eating areas
Engineering Controls: Use in well-ventilated areas, safety showers and eye wash stations on site
Exposure Limits: Supplier recommendation or local guidelines (e.g., Occupational Exposure Limit, if applicable)
Personal Protective Equipment: Eye protection (goggles/face shield), chemical-resistant gloves, long-sleeved protective clothing, respiratory protection if mist present
Environmental Controls: Prevent chemical from entering water systems
Appearance: Clear amber to brown liquid
Odor: Slight, characteristic
pH: 4.5–7.0 (concentrate)
Boiling Point: Above 100°C (water-based solutions)
Melting Point: < 0°C
Solubility: Mixes completely with water
Flash Point: Not flammable
Vapor Pressure: Very low at 20°C
Density: About 1.2 g/cm³
Partition Coefficient (log Kow): -4.60 (low potential for bioaccumulation)
Chemical Stability: Stable under recommended storage, decomposes in alkaline conditions or on exposure to sunlight
Hazardous Reactions: None under normal conditions
Conditions to Avoid: Heat, sunlight, strong alkalis, strong acids, oxidizers
Hazardous Decomposition: Produces toxic fumes if heated to decomposition including nitrogen oxides, bromine compounds
Acute Toxicity: Oral LD50 in rats ~120 mg/kg, dermal LD50 >400 mg/kg
Chronic Toxicity: Repeated contact may cause dermatitis; animal studies show cataract formation from long-term exposure
Irritation: Causes eye damage, skin irritation
Sensitization: Not classified as a skin sensitizer
Symptoms of Overexposure: Headache, nausea, vomiting, tremors, in severe cases respiratory depression or convulsions
Toxicity to Aquatic Life: Highly toxic to aquatic organisms
Persistence and Degradability: Binds tightly to soil; breakdown is slow without light
Bioaccumulation Potential: Low, does not build up in living organisms
Mobility in Soil: Highly adsorbed to soil particles, little movement to groundwater
Other Effects: Large spills threaten fish and invertebrates in water bodies
Product Disposal: Do not pour into drains or watercourses, incineration at authorized facility or as per local guidelines
Container Disposal: Triple rinse containers, puncture and send to recycling or landfill by regulations
Contaminated Materials: Dispose as hazardous waste
Precautions: Follow national and local regulations, prevent environmental contamination
UN Number: 1760 (Corrosive liquid, n.o.s. - Diquat Dibromide solution)
Proper Shipping Name: Diquat Solution
Transport Hazard Class: 8 (corrosive)
Packing Group: III
Label: Corrosive
Marine Pollutant: Yes
Special Precautions: Keep separate from edible cargo, notify receiving parties of hazards
Registration: Approved for use in many countries under pesticide control regulators
Risk Phrases: R22 (Harmful if swallowed), R36/38 (Irritating to eyes and skin), R50/53 (Very toxic to aquatic organisms)
Safety Phrases: S2 (Keep out of reach of children), S28 (After contact with skin, wash immediately), S35 (Dispose of material appropriately)
US EPA: Registered as a restricted use pesticide
Other Standards: Covered under workplace chemical safety laws, environmental protection acts, and pesticide labeling requirements
