Product Name: Bronopol
Chemical Name: 2-Bromo-2-nitro-1,3-propanediol
Common Synonyms: BNPD; Bronosol; Myacide
CAS Number: 52-51-7
Recommended Use: Industrial biocide and preservative in water treatment, paper, paints, personal care products
Supplier Details: Listed on the product packaging and invoices; contact accessible for emergency information
Emergency Contact: Refer to product-specific documentation; emergency numbers standardized on safety sheets
Classification: Acute oral toxicity, Skin/eye irritant, Environmental hazard
Signal Word: Warning
Hazard Statements: Harmful if swallowed; causes serious eye irritation; may cause skin irritation; toxic to aquatic life
Precautionary Statements: Avoid release to environment, use personal protective gear, wash exposed skin thoroughly after handling, avoid contact with eyes and skin
Symbols: Exclamation mark, Environment (dead fish/tree)
Component: Bronopol
Chemical Formula: C3H6BrNO4
Concentration: Pure Bronopol products contain up to 99% active ingredient; diluted preparations vary based on end-use
Impurities: Trace levels of process residuals possible, labeled on product specification sheets
Inhalation: Move affected person to fresh air; seek medical attention for symptoms such as coughing, sore throat, or breathing difficulties
Skin Contact: Remove contaminated clothing, rinse skin with water for at least 15 minutes, seek medical attention if irritation continues
Eye Contact: Immediately rinse eyes with water for several minutes, hold eyelids open, remove contact lenses if present, consult medical provider
Ingestion: Do not induce vomiting, rinse mouth, give water if person conscious, contact poison control and transport to hospital
Notes to Physician: Treatment supportive based on symptoms; consider bronchospasm, allergic symptoms, and eye irritation management
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Specific Hazards: Dangerous decomposition may release toxic gases including nitrogen oxides, bromine compounds, and carbon monoxide
Protective Equipment: Full protective suit, self-contained breathing apparatus
Advice for Firefighters: Move undamaged containers from fire area if safe; cool with water, prevent run-off from contaminating waterways
Personal Precautions: Wear gloves, eye protection, and protective clothing; maintain adequate ventilation
Environmental Precautions: Prevent liquid or powder from entering watercourses, storm drains, or soil
Cleanup Methods: Collect spilled product using non-sparking tools, deposit in sealable container for proper disposal, wash site with water and detergent, ventilate the area
Emergency Procedures: Evacuate unprotected personnel, restrict area, notify supervisors
Handling: Work in well-ventilated areas, minimize dust and direct contact, never eat or drink when using chemical, wash hands immediately after handling
Storage: Keep in tightly closed original container, store in cool, dry place away from incompatible substances such as alkalis, reducing agents, and strong acids, avoid direct sunlight and heat sources
Control Parameters: No established occupational exposure limit, but minimize exposure to dust or droplets
Engineering Controls: Local exhaust ventilation and containment
Personal Protective Equipment: Chemically resistant gloves (nitrile or neoprene), goggles or face shield, lab coat or coveralls
Hygiene Measures: Remove contaminated clothing and wash before reuse, regular handwashing, do not touch face or eyes while working
Appearance: White to off-white crystalline powder
Odor: Faint characteristic scent
Melting Point: 123-130°C
Boiling Point: Decomposes before boiling
Solubility: Highly soluble in water, limited solubility in organic solvents
pH (1% aqueous): Approximately 5.0-7.0
Flash Point: Not flammable
Vapor Pressure: Negligible at room temperature
Relative Density: 1.5–1.6 (water=1)
Partition Coefficient: log Pow: -0.64
Chemical Stability: Stable under recommended storage conditions
Reactivity: Avoid contact with alkaline substances and reducing agents
Decomposition Products: Nitrogen oxides, bromine, carbon monoxide, and carbon dioxide
Conditions to Avoid: Strong heat, moisture, incompatible materials
Acute Toxicity: LD50 Oral (rat): 305 mg/kg; inhalation and skin contact less common but possible with high exposures
Skin and Eye Contact: Irritant, may provoke redness, itching or severe eye injury
Chronic Effects: Extended contact may cause dermatitis or allergic skin reactions
Sensitization: Skin sensitizer, some workers may experience allergic reactions
Carcinogenicity: No evidence of carcinogenicity in standard tests
Target Organs: Skin, eyes, gastrointestinal tract
Symptoms of Overexposure: Burning sensation, headaches, abdominal discomfort, redness, tearing
Aquatic Toxicity: Highly toxic to aquatic organisms, LC50 (fish, 96h): 1.6 mg/L
Persistence and Degradability: Limited biodegradability in aquatic systems, some breakdown in soil
Bioaccumulation: Low potential for bioaccumulation
Mobility in Soil: Mobile in water, potential for leaching into groundwater
Other Adverse Effects: May contribute to longer-term disruption of aquatic food webs
Waste Treatment Methods: Dispose as hazardous chemical waste through licensed contractor
Product Disposal: Do not pour into drains or watercourses; keep waste in sealed container
Contaminated Packaging: Triple rinse, puncture, and send to appropriate disposal site
Local Regulations: Abide by local, regional, and national waste management regulations
UN Number: 3241
UN Proper Shipping Name: 2-Bromo-2-nitropropane-1,3-diol
Transport Hazard Classes: 6.1 (toxic substance)
Packing Group: III
Environmental Hazards: Marine pollutant
Special Precautions: Protect packaging from breakage, avoid contamination with incompatible chemicals during transit
Labeling Requirements: Complies with GHS, OSHA Hazard Communication regulations, and EU CLP guidelines
Chemical Inventory Status: Listed on US TSCA, EU REACH, Australia AICS, and other global registries
Restrictions: Use governed by biocide and pesticide guidelines; not intended for consumer use in some jurisdictions
Worker Protection: Employers must provide safety training and personal protective equipment
Other Regulatory Listings: Covered in chemical safety assessment reports, national poison center hotlines accessible for advice
