Calcium Carbonate Extra Pure
$ 18.00 Original price was: $ 18.00.$ 17.30Current price is: $ 17.30.
Calcium Carbonate Extra Pure is a high-purity, fine white powder widely used in laboratory settings as a buffering agent, a source of calcium ions, and a standard for acid-base titrations. It plays a key role in chemical analysis, gravimetric studies, and as a neutralizing agent in various reactions. In educational and research laboratories, it is also used to demonstrate decomposition reactions upon heating, releasing carbon dioxide and forming calcium oxide. The extra pure grade guarantees minimal impurities, making it suitable for precise analytical applications. It should be stored in tightly sealed containers in a dry environment to maintain its stability and reactivity.
Calcium Carbonate Extra Pure
Primary Uses
- Standard for Acid-Base Titrations
- Commonly used as a primary standard or solid reactant in acid-base titration demonstrations involving hydrochloric acid:
CaCO3+2HCl→CaCl2+H2O+CO2\text{CaCO}_3 + 2\text{HCl} \rightarrow \text{CaCl}_2 + \text{H}_2\text{O} + \text{CO}_2CaCO3+2HCl→CaCl2+H2O+CO2
- Commonly used as a primary standard or solid reactant in acid-base titration demonstrations involving hydrochloric acid:
- CO₂ Generation for Gas Collection Experiments
- Reacted with acids (like HCl) to produce carbon dioxide gas for gas collection, reaction rate studies, or limewater tests.
- Demonstration of Thermal Decomposition
- Heated in high-temperature setups to demonstrate decomposition of carbonates:
CaCO3→ΔCaO+CO2\text{CaCO}_3 \xrightarrow{\Delta} \text{CaO} + \text{CO}_2CaCO3ΔCaO+CO2 - Useful for studying metal reactivity, thermogravimetric analysis, and mass loss upon heating.
- Heated in high-temperature setups to demonstrate decomposition of carbonates:
Secondary Uses
- Buffering Agent
- Occasionally used to stabilize pH in controlled experiments involving acidic reactions.
- Component in Simulated Biological Systems
- Mimics natural biomineralization in bone or shell modeling in educational labs.
- Neutralization Reactions
- Used to study neutralization of acids and observe effervescence, often in teaching or classroom demonstrations.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Calcium Carbonate
- Chemical Formula: CaCO₃
- CAS Number: 471-34-1
- HS Code: 2836.50.00
- Grade: Extra Pure (Laboratory Grade)
- Synonyms: Precipitated Calcium Carbonate, Calcite, Marble Powder, Limestone
2. Physical & Chemical Properties
- Appearance: White, odorless, fine powder or crystalline solid
- Odor: Odorless
- Molar Mass: 100.09 g/mol
- Melting Point: Decomposes at ~825 °C (to calcium oxide and CO₂)
- Solubility:
- Practically insoluble in water
- Soluble in dilute acids with effervescence
- Density: ~2.71 g/cm³
- pH (saturated solution): ~9.4
- Stability: Stable under normal laboratory conditions
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- GHS Pictograms: ⚠️ (only if in large amounts as dust)
- Hazard Statements:
- May cause mild mechanical irritation via dust inhalation
- NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a tightly sealed container in a dry area
- Avoid moisture and strong acids
- Packaging: HDPE jars, plastic-lined fiber drums, or moisture-proof containers
- Handling Precautions:
- Avoid inhaling dust
- Use appropriate PPE (dust mask, goggles, gloves) when handling bulk quantities
5. Regulatory & Compliance Attributes
- Transport Classification (UN): Not regulated as a hazardous material
- Disposal:
- Can typically be disposed of as non-hazardous waste
- Follow institutional or local regulations for disposal of lab reagents
6. Environmental & Health Impact
- Toxicity:
- Low toxicity
- May cause respiratory irritation in powder form
- Ecotoxicity:
- Minimal impact on aquatic or terrestrial life
- Biodegradability: Not applicable – inorganic mineral
SAFETY PRECAUTIONS
- Personal Protective Equipment (PPE):
- Wear safety goggles, dust mask or respirator, gloves, and lab coat.
- Handling:
- Avoid generating or inhaling dust.
- Use in a well-ventilated area or under a fume hood.
- Storage:
- Store in a tightly closed container in a cool, dry location.
- Keep away from acids (e.g., hydrochloric acid) as it may react to produce CO₂ gas.
- Incompatibilities:
- Strong acids, ammonium salts, aluminum.
FIRST AID MEASURES
- Inhalation:
- Move the person to fresh air.
- Seek medical attention if respiratory irritation persists.
- Skin Contact:
- Wash skin with plenty of water and soap.
- Remove contaminated clothing.
- Eye Contact:
- Rinse immediately with plenty of water for at least 15 minutes.
- Seek medical attention if irritation continues.
- Ingestion:
- Rinse mouth with water.
- Non-toxic in small quantities, but seek medical advice if large amounts are ingested.
FIRE FIGHTING MEASURES
- Flammability:
- Not flammable and does not support combustion.
- Extinguishing Media:
- Use extinguishing media appropriate for surrounding materials (e.g., CO₂, dry chemical, water spray).
- Hazardous Combustion Products:
- Decomposes at very high temperatures to release carbon dioxide (CO₂).
- Firefighting Instructions:
- Wear protective equipment and self-contained breathing apparatus (SCBA) if exposure to dust or decomposition products is possible.
- Wear protective equipment and self-contained breathing apparatus (SCBA) if exposure to dust or decomposition products is possible.
Related products
Aluminium Chloride Anhydrous Extra Pure
Aluminium Chloride Anhydrous Extra Pure is a high-purity, white to yellowish crystalline compound that is highly hygroscopic and fuming in moist air. It is extensively used in laboratory chemistry as a powerful Lewis acid catalyst, particularly in Friedel-Crafts alkylation and acylation reactions, as well as in the synthesis of organometallic compounds. Its anhydrous form ensures optimal reactivity and effectiveness in moisture-sensitive processes, including polymerization and halogenation studies. Due to its corrosive nature and tendency to react violently with water, it must be handled in a dry, controlled environment using proper safety measures. This extra pure grade is ideal for high-precision analytical and preparative procedures in organic and inorganic chemistry research.
Aluminium Chloride Hydrated Extra Pure
Aluminium Chloride Hydrated Extra Pure is a high-purity, white to pale yellow crystalline compound containing bound water molecules, making it less reactive than its anhydrous counterpart but still highly effective in various laboratory applications. It is commonly used in aqueous-phase reactions, coordination chemistry, and as a reagent for studying aluminum ion behavior in solution. The hydrated form offers enhanced stability and ease of handling, making it suitable for educational experiments, buffer formulations, and inorganic synthesis where precise aluminum content is required. Its extra pure grade ensures minimal interference from impurities, supporting accurate and reproducible results in analytical and research settings. Proper storage in a cool, dry place is essential to prevent further hydration or contamination.
Aluminium Ferric Sulphate Extra Pure
Aluminium Ferric Sulphate Extra Pure is a high-purity, yellowish to light brown crystalline solid composed of aluminum, iron, and sulfate ions, commonly used in laboratory settings for analytical, coordination, and inorganic chemistry research. Its dual-metal composition makes it valuable for studying metal ion interactions, flocculation processes, and as a reagent in qualitative analysis of phosphates and tannins. The compound also finds application in preparing standard solutions and in experiments related to coagulation and sedimentation. Its extra pure grade ensures consistent performance with minimal contamination, making it ideal for precise, controlled experimentation. It should be stored in tightly sealed containers in a dry, cool environment to maintain stability and prevent moisture uptake.
Aluminium Metal Fine Extra Pure
Aluminium Metal Fine Extra Pure is a high-purity, silvery-grey powder composed of finely divided aluminum particles, ideal for precision laboratory work and specialized chemical reactions. Known for its high surface area and excellent reactivity, it is widely used in thermite reactions, metallurgical experiments, and the synthesis of aluminum-based compounds. Its fine particle size enhances its role as a reducing agent in organic and inorganic chemistry, as well as in combustion and pyrotechnic research. The extra pure grade ensures minimal trace impurities, supporting consistent and accurate results in sensitive analytical and preparative procedures. Due to its flammability and potential for dust explosions, it must be handled with caution in well-ventilated areas and stored in sealed, moisture-free containers.
Aluminium Oxide Active Neutral Extra Pure
Aluminium Oxide Active Neutral Extra Pure is a high-purity, fine white powder known for its high surface area and neutral pH, making it ideal for chromatography, adsorption, and catalyst support in laboratory research. Its active form ensures excellent capacity for separating and purifying organic compounds without altering their chemical structure, especially in column chromatography applications. Commonly used in analytical, organic synthesis, and material science laboratories, it provides consistent performance in adsorption studies, drying of solvents, and reaction monitoring. The extra pure grade ensures extremely low levels of impurities, suitable for high-precision experimental work. To maintain its activity, it should be stored in airtight containers away from moisture and reactive chemicals.
Aluminium Oxide Extra Pure
Aluminium Oxide Extra Pure is a high-purity, white, odorless crystalline powder widely used in laboratory applications for its chemical stability, hardness, and high melting point. It serves as a reliable reagent in inorganic synthesis, a polishing and grinding medium in sample preparation, and a support material for catalysts in chemical reactions. This form of alumina is also used in adsorption studies, ceramic research, and as a desiccant in controlled drying processes. Its extra pure grade ensures minimal contamination, making it suitable for sensitive analytical work and high-precision experiments. For optimal performance, it should be stored in a dry, tightly sealed container to prevent moisture absorption and maintain its physical integrity.
Aluminium Potassium Sulphate Hydrated Extra Pure
Aluminium Potassium Sulphate Hydrated Extra Pure, commonly known as potash alum, is a high-purity, colorless to white crystalline compound containing water of crystallization. It is widely used in laboratory settings for analytical chemistry, especially in the preparation of standard solutions, precipitation reactions, and as a source of aluminum ions. Its astringent and antiseptic properties also make it useful in biochemical and pharmaceutical experiments. The hydrated form offers improved handling and solubility in water, which supports its use in buffer systems and crystal growth studies. With minimal impurities, the extra pure grade ensures consistent and reliable results in sensitive research applications. It should be stored in a dry, cool environment in well-sealed containers to preserve its quality and prevent moisture loss.
Ammonium Bromide Extra Pure
Ammonium Bromide Extra Pure is a high-purity, white crystalline powder highly soluble in water, widely used in laboratory settings for analytical, photographic, and synthetic applications. It serves as a reliable source of bromide ions in chemical reactions and is commonly used in preparing photographic emulsions, corrosion inhibitors, and certain pharmaceuticals. In analytical chemistry, it is employed in qualitative and quantitative analysis involving halide ion detection. The extra pure grade ensures minimal contamination, making it ideal for sensitive research and high-precision work. To preserve its stability and prevent moisture uptake, it should be stored in well-sealed containers in a cool, dry environment.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders