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Zinc Hydroxide Extra Pure
Original price was: $ 17.99.$ 17.87Current price is: $ 17.87.
Zinc Hydroxide Extra Pure is a high-purity, white, odorless powder used extensively in laboratory applications involving zinc chemistry. It acts as a key reagent in qualitative and quantitative analyses and the synthesis of zinc compounds. Insoluble in water but soluble in acids, it plays an important role in precipitation and buffering reactions. The Extra Pure grade ensures minimal impurities for sensitive experimental work. Zinc Hydroxide is also studied in pharmaceutical and environmental research for its bioactivity and water treatment potential. It requires careful handling to avoid dust inhalation and moisture exposure, and is stable under standard laboratory storage conditions.
Zinc Hydroxide Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications:
- Used as a reagent for qualitative and quantitative chemical analysis
- Employed in synthesis of zinc-based compounds and coordination complexes
- Utilized in precipitation reactions for zinc ion detection and separation
- Acts as a standard reagent in laboratory preparation of zinc salts
- Used in pH buffering and neutralization studies involving zinc chemistry
- Pharmaceutical & Cosmetic Research:
- Applied in formulation studies for topical and dermatological products
- Used in research on zinc compounds’ bioavailability and therapeutic properties
SECONDARY USES
- Environmental & Water Treatment Research:
- Used to study zinc hydroxide’s role in water purification and heavy metal removal
1. Basic Identification Attributes
Chemical Name: Zinc Hydroxide
CAS Number: 20427-58-1
HS Code: 2815.20.00
Molecular Formula: Zn(OH)₂
Synonyms:
- Zinc dihydroxide
- Basic zinc hydroxide
- Zinc hydrate
2. Physical & Chemical Properties
Physical State: Solid powder or fine crystalline powder
Color & Odor: White, odorless
Melting Point: Decomposes at approximately 125 °C releasing water
Boiling Point: Not applicable (decomposes)
Density/Specific Gravity: ~3.4 g/cm³
Solubility:
- Insoluble in water
- Soluble in acids forming zinc salts
pH Level: Slightly alkaline in suspension (pH ~7.5 - 8.5)
Vapor Pressure & Volatility: Not volatile
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable
3. Safety & Hazard Attributes
Hazard Class (GHS Classification):
- Eye irritation (Category 2A)
- May cause mild skin irritation
NFPA Ratings: - Health: 1
- Flammability: 0
- Reactivity: 0
Exposure Limits: - No specific OSHA PEL or ACGIH TLV established for zinc hydroxide powder
Reactivity: - Stable under normal laboratory conditions
- Reacts with acids releasing heat and zinc salts
4. Storage & Handling Attributes
Storage Conditions:
- Store in a dry, cool, well-ventilated place
- Keep container tightly closed to avoid moisture absorption
Incompatible Materials: - Strong acids (reacts releasing heat)
- Strong oxidizing agents
Container Type: - Plastic or glass containers with tight seals
Shelf Life & Expiration Date: - Stable for years when stored properly
Special Handling Requirements: - Use gloves and eye protection
- Avoid inhaling dust and prolonged skin contact
5. Regulatory & Compliance Attributes
Regulatory Status:
- Listed in chemical inventories such as REACH and TSCA
- Approved for laboratory use; not classified as hazardous for transport
Transportation Restrictions: - No special transportation requirements
Waste Disposal Method: - Dispose according to local regulations for inorganic chemical waste
6. Environmental & Health Impact
Ecotoxicity:
- Low toxicity to aquatic organisms at typical environmental concentrations
Persistence in Environment: - Zinc hydroxide slowly dissolves to release zinc ions; low persistence as solid
Carcinogenicity/Mutagenicity: - Not classified as carcinogenic or mutagenic
Biodegradability: - Inorganic compound; not biodegradable but low environmental impact
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear nitrile or other chemical-resistant gloves
- Use safety goggles or face shield
- Wear lab coat or protective clothing
- Use dust mask if powder dust is generated
Handling:
- Work in well-ventilated area
- Avoid inhaling dust
- Avoid skin and eye contact
- Wash hands thoroughly after handling
Storage:
- Keep containers tightly sealed
- Store in dry, cool, well-ventilated area
- Protect from moisture and incompatible materials
FIRST AID MEASURES
Inhalation:
- Move to fresh air immediately
- Seek medical attention if irritation persists
Skin Contact:
- Wash affected area with soap and water
- Remove contaminated clothing
- Seek medical advice if irritation develops
Eye Contact:
- Rinse thoroughly with water for at least 15 minutes
- Keep eyelids open during rinsing
- Obtain medical attention promptly
Ingestion:
- Rinse mouth with water
- Do not induce vomiting unless advised
- Seek medical attention if symptoms occur
FIRE FIGHTING MEASURES
Flammability:
- Non-flammable solid
Extinguishing Media: - Use water spray, foam, dry chemical or CO₂
Hazardous Combustion Products: - May release zinc oxide fumes if heated to decomposition
Firefighter Protection: - Wear full protective gear and self-contained breathing apparatus
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