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Zinc Powder Extra Pure
Original price was: $ 17.55.$ 17.43Current price is: $ 17.43.
Zinc Powder Extra Pure is a high-purity, finely divided form of elemental zinc, appearing as a gray to bluish-gray metallic powder. It is widely used in chemical laboratories, metallurgical operations, and industrial formulations for its strong reducing properties, electrical conductivity, and reactivity with acids to release hydrogen gas. In analytical chemistry, it serves as a critical reagent in redox titrations and hydrogen-generating reactions, and plays a key role in electroplating studies and corrosion analysis.
In industry, Zinc Powder is essential in the production of galvanic coatings, batteries, specialty paints, and pyrotechnic mixtures. Its high surface area makes it particularly reactive, which enhances its utility in hydrogenation, alloy production, and wastewater treatment via cementation. Due to its flammable dust nature and tendency to react with acids and oxidizers, strict precautions are needed during storage and handling. Zinc Powder Extra Pure is especially valued for applications that demand consistent purity, high reactivity, and compliance with laboratory-grade specifications.
Zinc Powder Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications:
- Used in qualitative and quantitative chemical analysis, especially in redox reactions
- Functions as a reducing agent in analytical chemistry and organic synthesis
- Employed in preparation of hydrogen gas in laboratory demonstrations and reactions
- Involved in electroplating and electrodeposition studies in academic and industrial labs
- Pharmaceutical & Cosmetic Industry:
- Used in topical formulations for its skin-healing and antimicrobial properties
- Incorporated into antiseptic ointments, creams, and calamine-type preparations
- Serves as a zinc source in certain nutraceutical and medicinal applications under strict standards
- Metal Processing & Metallurgy:
- Critical in galvanization (zinc coating of iron and steel to prevent corrosion)
- Used in the production of brass and other zinc alloys
- Applied in thermal spraying and metallization processes for corrosion resistance
SECONDARY USES
- Pyrotechnics & Explosives:
- Acts as a fuel component in fireworks, explosives, and propellants
- Used in smoke-generating compositions and signal flares
- Battery & Electrical Applications:
- Utilized in the manufacture of zinc-carbon and zinc-air batteries
- Functions as an electrode material and current collector in electrochemical cells
- Paint & Coatings Industry:
- Used in zinc-rich primers and corrosion-resistant coatings for steel structures
- Applied in anti-corrosion paints for marine and industrial environments
- Water Treatment & Environmental Remediation:
- Applied in removal of heavy metals from industrial wastewater through precipitation or cementation
- Used in filtration systems for contaminant capture and reduction
1. Basic Identification Attributes
- Chemical Name: Zinc
- CAS Number: 7440-66-6
- HS Code: 7903.10.00
- Molecular Formula: Zn
- Synonyms:
- Zinc dust
- Zinc metal powder
- Finely divided zinc
2. Physical & Chemical Properties
- Physical State: Solid (fine powder or dust)
- Color & Odor: Gray to bluish-gray, odorless
- Melting Point: ~419.5 °C
- Boiling Point: ~907 °C
- Density/Specific Gravity: ~7.1 g/cm³
- Solubility:
- Insoluble in water
- Soluble in acids and alkalis with gas evolution (H₂)
- pH Level: Not applicable (metallic solid)
- Vapor Pressure & Volatility: Low at room temperature
- Flash Point: Not applicable (non-volatile)
- Autoignition Temperature: ~460–580 °C (dependent on particle size and dispersion in air)
- Viscosity: Not applicable
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Flammable solid (Category 2)
- Specific target organ toxicity – single exposure (Category 3, respiratory tract irritation)
- Acute aquatic toxicity (Category 1)
- Chronic aquatic toxicity (Category 1)
- NFPA Ratings:
- Health: 1
- Flammability: 3
- Reactivity: 1
- Exposure Limits:
- OSHA PEL: 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction)
- ACGIH TLV: 2 mg/m³ (respirable fraction, as zinc oxide fume)
- Reactivity:
- Stable under normal storage conditions
- Reacts with acids to produce flammable hydrogen gas
- May react violently with oxidizing agents
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, well-ventilated area away from ignition sources
- Use spark-proof tools and explosion-proof equipment if handling large quantities
- Incompatible Materials:
- Acids
- Strong oxidizers (e.g., chlorates, nitrates, peroxides)
- Water/moisture (in presence of acids or heat)
- Container Type:
- Antistatic polyethylene containers or sealed metal drums with inert atmosphere
- Shelf Life & Expiration Date:
- Indefinite if kept dry and inerted
- Special Handling Requirements:
- Use non-sparking tools
- Ground containers and equipment to prevent static buildup
- Avoid dispersion of dust into air
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed in REACH, TSCA, and other major chemical inventories
- Regulated under workplace exposure limits for metal dusts
- Transportation Restrictions:
- May be classified as a flammable solid (UN 3089) depending on particle size and packaging
- Waste Disposal Method:
- Dispose of as hazardous metal-containing waste
- Follow local environmental regulations for collection and treatment
6. Environmental & Health Impact
- Ecotoxicity:
- Highly toxic to aquatic life in powdered form
- Can bioaccumulate in aquatic organisms if released in large quantities
- Persistence in Environment:
- Metal; does not degrade but may persist in sediments
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
- Biodegradability:
- Inorganic, non-biodegradable; however, low environmental mobility in solid form
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear chemical-resistant gloves (e.g., nitrile or neoprene)
- Use safety goggles or face shield to prevent eye exposure
- Wear a lab coat or flame-resistant protective clothing
- Use a dust mask or respirator approved for metal dusts
Handling:
- Handle in well-ventilated areas away from heat, sparks, and open flames
- Avoid breathing dust or fumes (especially during heating)
- Avoid skin and eye contact
- Ground all equipment when transferring powder to avoid static discharge
Storage:
- Store in tightly sealed containers in cool, dry, and inert conditions
- Protect from moisture, acids, and oxidizers
- Keep away from sources of ignition
FIRST AID MEASURES
Inhalation:
- Move victim to fresh air immediately
- Seek medical attention if coughing, shortness of breath, or irritation persists
Skin Contact:
- Wash with soap and water
- Remove contaminated clothing
- Seek medical attention if irritation develops
Eye Contact:
- Rinse immediately with plenty of water for at least 15 minutes
- Seek medical attention if irritation persists
Ingestion:
- Rinse mouth thoroughly
- Do not induce vomiting
- Seek medical attention immediately
FIRE FIGHTING MEASURES
Flammability:
- Flammable in fine powder form, especially when dispersed in air
Extinguishing Media:
- Use dry chemical, Class D fire extinguisher, or sand
- Do NOT use water or foam (may react and release hydrogen)
Hazardous Combustion Products:
- Zinc oxide fumes (toxic if inhaled)
Firefighter Protection:
- Use self-contained breathing apparatus (SCBA)
- Wear full protective gear and avoid inhaling combustion fumes
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