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Zinc Oxide Extra Pure
Original price was: $ 19.11.$ 18.98Current price is: $ 18.98.
Zinc Oxide Extra Pure is a high-purity, white, fine powder used extensively in laboratory, research, and pharmaceutical-grade formulations. Renowned for its amphoteric character, it reacts with both acids and bases, making it highly versatile in chemical synthesis and pH-related experiments. In laboratory research, it plays a key role in analytical chemistry, photocatalysis, pigment studies, and semiconducting material research. It is also valued in pharmaceutical and cosmetic R&D for its antimicrobial, UV-reflective, and healing properties. In environmental and materials science labs, Zinc Oxide is studied for its potential in pollutant degradation, corrosion resistance, and nanomaterial development. Its Extra Pure grade ensures suitability for applications demanding precise, consistent purity and low impurity levels. Although generally safe to handle, care should be taken to avoid inhaling fine dust or releasing large amounts into aquatic environments due to its toxicity to aquatic life.
Zinc Oxide Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications:
- Used in qualitative and quantitative chemical analysis, including gravimetric analysis of zinc and as a reference oxide in materials testing
- Serves as a precursor or reagent in the synthesis of organozinc compounds and other zinc-based salts
- Employed in laboratory demonstrations of amphoteric behavior, reacting with both acids and bases
- Functions as a component in gas sensors and semiconducting material research in academic and industrial R&D
- Studied in photocatalytic degradation experiments due to its UV-activated properties
- Pharmaceutical & Cosmetic Research:
- Used in lab-scale formulation studies for ointments, creams, and lotions due to its antimicrobial and UV-reflecting properties
- Studied for its skin-protective properties, including anti-inflammatory and wound-healing activity
- Investigated as a UV filter in sunblock formulations under research-grade testing
- Included in microbiological experiments for evaluating antimicrobial efficacy against skin pathogens
- Material Science & Ceramics Research:
- Used in the development and testing of ceramic glazes, enamel coatings, and advanced ceramics
- Acts as a flux and opacifier in lab-scale glass and ceramic formulations
- Studied for structural and electrical properties in research on piezoelectric materials and ferrites
SECONDARY USES
- Pigments & Coating Research:
- Studied as a white pigment in coating systems for opacity, brightness, and corrosion resistance
- Used in anticorrosive paint formulations, especially in marine and industrial surface coatings
- Investigated for photocatalytic self-cleaning coatings and protective films
- Environmental & Green Chemistry Research:
- Studied for its photocatalytic applications in wastewater treatment and air purification
- Evaluated for heavy metal remediation and removal of organic pollutants via UV degradation pathways
- Nanotechnology & Advanced Materials:
- Employed in the synthesis and study of ZnO nanoparticles for research on nanomaterials, nanophotonics, and nanomedicine
- Used in thin-film development for electronics, sensors, solar cells, and optoelectronic applications
- Investigated for piezoelectric and semiconductor behavior in MEMS/NEMS device research
1. Basic Identification Attributes
Chemical Name: Zinc Oxide
CAS Number: 1314-13-2
HS Code: 2817.00.00
Molecular Formula: ZnO
Synonyms:
- Zinc white
- Calamine (in some contexts)
- Zinc monoxide
2. Physical & Chemical Properties
Physical State: Solid (fine powder or soft agglomerates)
Color & Odor: White, odorless
Melting Point: ~1975 °C (with decomposition)
Boiling Point: Sublimes at ~2360 °C
Density/Specific Gravity: ~5.6 g/cm³
Solubility:
- Practically insoluble in water
- Soluble in acids and alkalis, forming zinc salts and complexes
pH Level: ~7.0 in aqueous dispersion
Vapor Pressure & Volatility: Negligible at room temperature
Flash Point: Not applicable
Autoignition Temperature: Not applicable
Viscosity: Not applicable
3. Safety & Hazard Attributes
Hazard Class (GHS Classification):
- Hazardous to aquatic environment, acute and chronic (Category 1)
- May cause mechanical eye and respiratory irritation
NFPA Ratings: - Health: 1
- Flammability: 0
- Reactivity: 0
Exposure Limits: - OSHA PEL: 5 mg/m³ (respirable fraction, as zinc oxide fume)
- ACGIH TLV: 2 mg/m³ (respirable), 10 mg/m³ (STEL, fume)
Reactivity: - Stable under normal conditions
- Incompatible with strong acids, strong bases, and aluminum at high temperatures
4. Storage & Handling Attributes
Storage Conditions:
- Store in a cool, dry, and well-ventilated area
- Protect from moisture and contamination
Incompatible Materials: - Strong acids
- Strong bases
- Reactive metals such as aluminum or magnesium (especially at elevated temperatures)
Container Type: - Sealed polyethylene or HDPE containers
Shelf Life & Expiration Date: - Stable indefinitely if stored properly
Special Handling Requirements: - Avoid generating dust
- Use appropriate dust extraction or filtration in processing areas
5. Regulatory & Compliance Attributes
Regulatory Status:
- Listed under REACH, TSCA, and major chemical inventories
- Approved for use in pharmacopeial applications (USP, FCC, BP — subject to grade and purity)
Transportation Restrictions: - Not regulated as a hazardous material for transport
Waste Disposal Method: - Dispose in accordance with local environmental regulations
- Avoid release to waterways due to aquatic toxicity
6. Environmental & Health Impact
Ecotoxicity:
- Toxic to aquatic life even in small quantities (particularly nanoparticulate forms)
Persistence in Environment: - Insoluble and persistent in soils and sediments
Carcinogenicity/Mutagenicity: - Not classified as carcinogenic or mutagenic
Biodegradability: - Inorganic; not biodegradable, but environmentally stable under most conditions
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear chemical-resistant gloves
- Use safety goggles or face shield
- Wear a lab coat or protective clothing
- Use a dust mask or approved respirator if powder is airborne
Handling:
- Handle in well-ventilated areas
- Avoid breathing dust
- Avoid contact with eyes and prolonged skin exposure
- Wash hands thoroughly after handling
Storage:
- Store in a tightly sealed container
- Keep in a dry, cool, stable location
- Avoid exposure to acids and incompatible substances
FIRST AID MEASURES
Inhalation:
- Move to fresh air
- Seek medical attention if irritation or symptoms persist
Skin Contact:
- Wash skin with soap and water
- Remove contaminated clothing
- Seek medical attention if irritation develops
Eye Contact:
- Rinse with plenty of water for at least 15 minutes
- Seek medical advice if irritation persists
Ingestion:
- Rinse mouth with water
- Do not induce vomiting
- Seek medical attention immediately
FIRE FIGHTING MEASURES
Flammability:
- Non-flammable solid
Extinguishing Media: - Use water spray, dry chemical, foam, or CO₂
Hazardous Combustion Products: - May emit zinc oxide fumes if strongly heated or involved in fire
Firefighter Protection: - Wear full protective gear and self-contained breathing apparatus (SCBA)
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