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Zinc Bromide Extra Pure
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Zinc Bromide Extra Pure is a high-purity inorganic compound with the formula ZnBr₂, appearing as a white to off-white crystalline solid. It is highly soluble in water, making it valuable in laboratory and industrial chemical processes requiring both zinc and bromide ions. This compound is widely used in analytical chemistry, organic synthesis, and as a high-density material for industrial applications such as drilling fluids and radiation shielding. Its Extra Pure grade guarantees minimal impurities, ensuring reproducibility and accuracy in research and formulation. Zinc Bromide is stable under normal conditions but requires careful handling due to its potential to cause irritation and its toxicity in aquatic environments. Proper storage involves protection from moisture and incompatible chemicals, with safety measures emphasizing PPE and environmental precautions.
Description
Zinc Bromide Extra Pure
PRIMARY USES
Analytical Reagent & Laboratory Applications:
- Used as a high-purity zinc and bromide ion source for chemical analysis and synthesis
- Employed in spectroscopic studies and chromatography as a reagent or standard
- Utilized in preparation of buffer solutions and complexation studies involving zinc ions
- Acts as a catalyst or reagent in organic synthesis, particularly in bromination reactions
- Used in titrations and quantitative analysis for bromide or zinc content determination
- Important in electrochemical research for studies involving bromide and zinc ions
- Applied in preparation of solutions for density gradient centrifugation and other lab separation techniques
Industrial & Chemical Manufacturing:
- Utilized in production of photographic chemicals and specialty chemical intermediates
- Used as a Lewis acid catalyst in various organic transformations
- Important in the manufacture of flame retardants, drilling fluids, and oil field chemicals
- Used in formulation of transparent radiation shielding materials due to its high density
SECONDARY USES
Oil and Gas Industry:
- Component of high-density drilling and completion fluids for oil well operations
- Used for well stimulation and workover fluids to improve recovery
Pharmaceutical & Cosmetic Industry:
- Investigated as an antiseptic agent and in formulation of topical applications
- Used in certain niche pharmaceutical syntheses requiring zinc and bromide sources
Water Treatment & Environmental Applications:
- Used in limited water treatment formulations for microbial control
- Employed in research on halide chemistry in environmental systems
PRODUCT KEY FEATURES
- Basic Identification Attributes
Chemical Name: Zinc Bromide
CAS Number: 7646-85-7
HS Code: 2827.39.00
Molecular Formula: ZnBr₂
Synonyms:
- Zinc dibromide
- Zinc bromide anhydrous
- Zinc bromide crystalline
- Physical & Chemical Properties
Physical State: Solid crystalline or granular powder
Color & Odor: White to off-white, odorless
Melting Point: 394 °C (decomposes)
Boiling Point: Decomposes before boiling
Density/Specific Gravity: ~4.47 g/cm³ (anhydrous)
Solubility:
- Highly soluble in water (428 g/100 mL at 20 °C)
- Soluble in ethanol and acetone
pH Level: Slightly acidic to neutral in aqueous solution (pH ~5-7)
Vapor Pressure & Volatility: Low volatility
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable
- Safety & Hazard Attributes
Hazard Class (GHS Classification):
- Causes serious eye irritation (Category 2A)
- May cause skin irritation (Category 2)
- Harmful if swallowed (Category 4)
NFPA Ratings: - Health: 2
- Flammability: 0
- Reactivity: 1
Exposure Limits: - No specific OSHA PEL; handle as per standard zinc and bromide compound safety guidelines
Reactivity: - Stable under normal conditions
- Reacts with strong oxidizers and bases
- Storage & Handling Attributes
Storage Conditions:
- Store in a cool, dry, well-ventilated area
- Keep container tightly closed to avoid moisture absorption
Incompatible Materials: - Strong oxidizing agents
- Strong bases
- Avoid contact with water in large quantities (exothermic dissolution)
Container Type: - Plastic or glass containers recommended
- Tightly sealed drums or bottles
Shelf Life & Expiration Date: - Stable for several years if stored properly
Special Handling Requirements: - Use gloves, eye protection, and protective clothing
- Avoid dust generation and inhalation
- Regulatory & Compliance Attributes
Regulatory Status:
- Listed under REACH, TSCA, and other chemical inventories
- Approved for industrial and laboratory use
Transportation Restrictions: - Not classified as hazardous for transport but handle with care
Waste Disposal Method: - Dispose of in accordance with local environmental and hazardous waste regulations
- Environmental & Health Impact
Ecotoxicity:
- Toxic to aquatic organisms at high concentrations
- Avoid release to waterways
Persistence in Environment: - Soluble and mobile in water; may bioaccumulate in aquatic systems
Carcinogenicity/Mutagenicity: - Not classified as carcinogenic or mutagenic
Biodegradability: - Inorganic compound; not biodegradable
SAFETY HANDLING PRECAUTIONS
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear chemical-resistant gloves (nitrile or neoprene)
- Use safety goggles or face shield
- Wear lab coat or protective clothing
- Use dust mask or respirator if dust generation is possible
Handling:
- Work in a well-ventilated area
- Avoid inhalation and contact with skin and eyes
- Wash hands thoroughly after handling
Storage:
- Store in sealed containers away from incompatible substances
- Keep dry and protected from moisture
FIRST AID MEASURES
Inhalation:
- Move to fresh air immediately
- Seek medical attention if breathing difficulties occur
Skin Contact:
- Wash with soap and water
- Remove contaminated clothing
- Seek medical advice if irritation develops
Eye Contact:
- Rinse immediately with plenty of water for at least 15 minutes
- Seek medical attention promptly
Ingestion:
- Rinse mouth with water
- Do not induce vomiting unless directed
- Seek immediate medical attention
FIRE FIGHTING MEASURES
Flammability:
- Non-flammable solid
Extinguishing Media: - Use water spray, foam, dry chemical, or CO₂
Hazardous Combustion Products: - May release toxic bromine vapors and zinc oxide fumes if heated strongly
Firefighter Protection: - Wear full protective gear and self-contained breathing apparatus (SCBA)
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