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Salicylic Acid Extra Pure
Original price was: $ 19.00.$ 18.76Current price is: $ 18.76.
Silica Gel Self Indicator Coarse Extra Pure
Original price was: $ 18.00.$ 17.67Current price is: $ 17.67.
Sand Acid Washed Extra Pure
Original price was: $ 19.00.$ 18.67Current price is: $ 18.67.
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Sand Acid Washed Extra Pure is a highly purified silica sand, treated with acid to remove impurities such as iron oxides and organic materials. It is an off-white granular solid primarily composed of silicon dioxide (SiO₂), characterized by its high purity and inertness. The acid washing process improves its adsorption capacity and surface cleanliness, making it ideal for use as a drying agent, filtration medium, and catalyst support in both laboratory and industrial applications. Due to its low solubility and high thermal stability, it serves in high-temperature processes and sensitive purification techniques. While chemically inert, the fine dust generated can pose respiratory hazards due to crystalline silica content; hence, proper handling precautions are essential. It remains stable under normal storage conditions, requiring dry and sealed containment to preserve its properties.
Description
Sand Acid Washed Extra Pure
PRIMARY USES
Laboratory Applications:
- Used extensively as a desiccant and drying agent for gases and liquids to remove moisture.
- Applied in chromatography to improve separation by removing impurities and moisture.
- Utilized as a purification medium for chemical samples and reagents.
- Serves as a catalyst support in chemical reactions requiring inert filler materials.
Industrial Applications:
- Used in water filtration and purification systems due to its high adsorption capacity for impurities.
- Functions as an abrasive and filler in various industrial processes, including paints and coatings.
- Acts as a filter aid in sugar refining and chemical manufacturing.
Environmental Uses:
- Employed in soil remediation and wastewater treatment to adsorb heavy metals and organic pollutants.
- Used in air filtration systems to trap dust and contaminants.
SECONDARY USES
Construction Industry:
- Used as a sandblasting medium after acid washing to remove contaminants and improve abrasiveness.
- Incorporated in the production of specialty concretes and mortars to improve durability.
Cosmetics & Personal Care:
- Added to exfoliating products as a natural abrasive.
PRODUCT KEY FEATURES
-
Basic Identification Attributes
- Chemical Name: Sand Acid Washed
- CAS Number: Not applicable (mixture of predominantly silica)
- HS Code: 2506.10.00
- Molecular Formula: Primarily SiO₂ (silicon dioxide)
- Synonyms:
- Acid-Washed Silica Sand
- Washed Quartz Sand
- Purified Silica
-
Physical & Chemical Properties
- Physical State: Granular solid
- Color & Odor: Off-white to light beige, odorless
- Melting Point: Approximately 1710 °C (pure silica)
- Boiling Point: Not applicable (decomposes)
- Density/Specific Gravity: About 2.65 g/cm³
- Solubility: Insoluble in water and organic solvents
- pH Level: Slightly acidic to neutral depending on washing procedure
- Vapor Pressure: Negligible (non-volatile)
- Flash Point: Not applicable (non-flammable)
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable
-
Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- May cause respiratory tract irritation if inhaled as fine dust (contains crystalline silica)
- NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- OSHA Permissible Exposure Limit (PEL) for respirable crystalline silica: 0.05 mg/m³ over 8-hour TWA
- Reactivity:
- Chemically inert under normal conditions
- Not reactive with acids or bases in typical uses
- Potential Health Risks:
- Chronic inhalation of respirable crystalline silica dust may cause silicosis, a serious lung disease
- Avoid generation of respirable dust
-
Storage & Handling Attributes
- Storage Conditions:
- Store in a dry, well-ventilated place
- Keep containers tightly sealed to prevent moisture contamination and dust release
- Incompatible Materials:
- Avoid strong alkalies that may alter surface chemistry
- Container Type:
- Heavy-duty plastic or metal drums with sealed lids
- Shelf Life & Expiration:
- Stable indefinitely when stored properly
- Special Handling:
- Use dust suppression methods (e.g., wetting) during transfer
- Wear appropriate PPE to avoid inhalation and eye contact
-
Regulatory & Compliance Attributes
- Regulatory Status:
- Not classified as hazardous under most chemical regulations
- Compliant with REACH and OSHA standards regarding silica-containing materials
- Transportation Restrictions:
- No special transportation requirements
- Waste Disposal:
- Dispose as non-hazardous inert solid according to local regulations
- Avoid dust release during disposal
-
Environmental & Health Impact
- Ecotoxicity:
- Environmentally inert with minimal aquatic toxicity
- Persistence:
- Non-biodegradable but physically stable and inert
- Carcinogenicity:
- Respirable crystalline silica dust is classified as a human carcinogen by IARC when inhaled
- Biodegradability:
- Not biodegradable
- Not biodegradable
SAFETY HANDLING PRECAUTIONS
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Use NIOSH-approved respirators for silica dust exposure.
- Wear safety goggles or face shields to prevent eye irritation.
- Use gloves and protective clothing to reduce skin contact.
Handling Instructions:
- Work in well-ventilated areas or use local exhaust ventilation.
- Avoid creating dust clouds; apply wetting agents if necessary.
- Wash hands thoroughly after handling.
Storage Instructions:
- Keep container sealed tightly.
- Store away from moisture and incompatible substances.
FIRST AID MEASURES
Inhalation:
- Remove affected person to fresh air immediately.
- Seek medical attention if coughing, difficulty breathing, or chest discomfort develops.
Skin Contact:
- Wash with soap and water thoroughly.
- Seek medical attention if irritation persists.
Eye Contact:
- Rinse eyes with plenty of clean water for at least 15 minutes.
- Seek medical advice if irritation continues.
Ingestion:
- Rinse mouth with water.
- Seek medical help if discomfort occurs.
FIRE FIGHTING MEASURES
Flammability:
- Non-flammable and non-combustible material
Extinguishing Media:
- Use extinguishing agents suitable for surrounding materials if involved in fire
Hazardous Combustion Products:
- None from the sand itself
Firefighter Protection:
- Wear full protective gear and self-contained breathing apparatus if exposed to other burning materials
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