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Zinc Dust Extra Pure
Original price was: $ 17.21.$ 17.09Current price is: $ 17.09.
Zinc Dust Extra Pure is a fine bluish-silver metallic powder primarily composed of elemental zinc with minimal impurities. It serves as a critical reagent and raw material in laboratories and industries, especially in metallurgical, chemical synthesis, and galvanizing applications. Its high surface area and reactivity make it valuable for redox reactions, zinc assays, and protective coatings. The dust form requires careful handling due to potential dust explosion hazards and reactivity with acids producing flammable hydrogen gas. Storage in dry, controlled conditions with appropriate PPE is essential for safe use. This zinc dust meets high purity standards suitable for research, manufacturing, and environmental applications such as water treatment and soil conditioning.
Zinc Dust Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications:
- Used as a reducing agent in chemical synthesis and analytical reactions
- Employed in laboratory scale metallurgical studies and zinc quantification
- Utilized in galvanic and electrochemical experiments
- Acts as a reagent in organic chemistry for synthesis and catalyst preparation
- Industrial Applications:
- Key raw material in galvanizing processes to provide corrosion protection on steel
- Used in the production of zinc-based alloys and powders
- Important in manufacturing rubber additives, paints, and coatings
- Utilized as an anti-corrosion pigment in coatings and primers
- Pharmaceutical & Cosmetic Industry:
- Source material in pharmaceutical zinc formulations and topical ointments (after refinement)
Secondary Uses
- Environmental Applications:
- Applied in water treatment processes to precipitate heavy metals
- Used in soil remediation to amend zinc-deficient soils
- Agricultural Chemicals:
- Used in micronutrient fertilizers and soil conditioners for zinc supplementation
1. Basic Identification Attributes
Chemical Name: Zinc Dust
CAS Number: 7440-66-6
HS Code: 7901.11.00
Molecular Formula: Zn
Synonyms:
- Zinc powder
- Zinc flakes
- Zinc dust powder
2. Physical & Chemical Properties
Physical State: Fine to coarse powder or flakes
Color & Odor: Bluish-silver metallic appearance, odorless
Melting Point: 419.5 °C
Boiling Point: 907 °C
Density/Specific Gravity: 7.14 g/cm³
Solubility:
- Insoluble in water
- Soluble in acids forming zinc salts and hydrogen gas
pH Level: Neutral in solid form; aqueous suspensions slightly alkaline due to hydrolysis
Vapor Pressure & Volatility: Negligible
Flash Point: Not flammable but fine dust can be combustible under certain conditions
Autoignition Temperature: Not applicable
Viscosity: Not applicable
3. Safety & Hazard Attributes
Hazard Class (GHS Classification):
- May form combustible dust concentrations in air
- Harmful if inhaled in large amounts (dust exposure)
- Skin and eye irritant due to mechanical abrasion
NFPA Ratings: - Health: 1
- Flammability: 1 (due to dust)
- Reactivity: 0
Exposure Limits: - OSHA PEL: 5 mg/m³ (respirable dust)
- ACGIH TLV: 2 mg/m³ (respirable fraction)
Reactivity: - Reacts with acids releasing hydrogen gas (flammable)
- Stable under normal conditions
4. Storage & Handling Attributes
Storage Conditions:
- Store in tightly sealed containers in a cool, dry, well-ventilated area
- Protect from ignition sources and moisture
Incompatible Materials: - Strong oxidizers
- Acids (react vigorously)
- Moisture (may cause slight oxidation)
Container Type: - Metal drums or heavy-duty plastic containers with tight sealing
Shelf Life & Expiration Date: - Stable for years if kept dry and protected from contaminants
Special Handling Requirements: - Use dust control measures to prevent airborne accumulation
- Avoid inhalation and contact with eyes and skin
- Use antistatic measures to prevent dust ignition
5. Regulatory & Compliance Attributes
Regulatory Status:
- Listed under OSHA, EPA, and REACH inventories
- Not classified as hazardous but subject to dust explosion regulations
Transportation Restrictions: - Not classified as hazardous for transport but handle as combustible dust
Waste Disposal Method: - Dispose according to local hazardous waste regulations if contaminated
6. Environmental & Health Impact
Ecotoxicity:
- Low to moderate toxicity to aquatic organisms depending on concentration
Persistence in Environment: - Metallic zinc slowly oxidizes and dissolves, bioavailable as zinc ions
Carcinogenicity/Mutagenicity: - Not classified as carcinogenic or mutagenic
Biodegradability: - Inorganic, not biodegradable
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Use dust mask or respirator to avoid inhalation
- Wear safety goggles and gloves
- Use protective clothing to prevent skin contact
Handling:
- Work in well-ventilated area
- Avoid creating dust clouds
- Ground containers and equipment to prevent static discharge
Storage:
- Keep container tightly closed
- Store away from ignition sources, acids, and oxidizers
FIRST AID MEASURES
Inhalation:
- Move to fresh air immediately
- Seek medical attention if breathing difficulty occurs
Skin Contact:
- Wash with soap and water to remove dust
- Seek medical advice if irritation persists
Eye Contact:
- Rinse immediately with plenty of water for 15 minutes
- Seek medical attention if irritation continues
Ingestion:
- Rinse mouth with water
- Seek medical attention if large amounts swallowed
FIRE FIGHTING MEASURES
Flammability:
- Not flammable as bulk but fine dust may ignite or explode under certain conditions
Extinguishing Media: - Use dry sand, CO₂, or dry chemical extinguishers
- Avoid water streams which may spread dust or react violently with zinc dust
Hazardous Combustion Products: - Zinc oxide fumes, toxic if inhaled
Firefighter Protection: - Use self-contained breathing apparatus (SCBA) and protective clothing
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