Ammonium Sulphate Extra Pure
$ 19.00 Original price was: $ 19.00.$ 18.34Current price is: $ 18.34.
Ammonium Sulphate Extra Pure is a high-purity, white crystalline compound widely used in laboratory settings for biochemical, analytical, and inorganic chemistry applications. It is especially renowned for its role in protein purification through salting-out techniques, where it helps to selectively precipitate proteins without denaturing them. In analytical chemistry, it is used as a source of ammonium and sulfate ions in standard solution preparation and as a supporting electrolyte in various reactions. Its extra pure grade guarantees minimal contaminants, making it suitable for sensitive experiments and research involving enzymes, buffers, and molecular biology. It should be stored in a tightly sealed container in a cool, dry environment to prevent caking and moisture absorption.
Ammonium Sulphate Extra Pure
Primary Uses
- Protein Precipitation via “Salting Out”
- Most common lab use — exploits decreased protein solubility at high ionic strength, allowing selective protein fractionation and purification.
- Buffering Agent and Ionic Strength Modifier
- Used in enzyme and protein assays to stabilize biomolecules and control ionic conditions.
- Reagent in Qualitative Inorganic Analysis
- Supplies NH₄⁺ and SO₄²⁻ ions for cation group analysis, and for preparing double salts and testing precipitation reactions.
- Nutrient Source in Microbiological Media
- Provides a readily available nitrogen source in defined media for bacteria, yeast, and fungi.
- Demonstration of Salt Solubility and Ionic Behavior
- Ideal for student experiments exploring colligative properties, pH effects, or crystal formation.
Secondary Uses
- Crystallization of Macromolecules (e.g., X-ray Crystallography)
- Used to grow crystals of proteins or enzymes by gradually increasing salt concentration to induce nucleation.
- Simulated Soil Chemistry and Nutrient Transport
- Applied in environmental and agricultural lab studies to model nitrogen availability and leaching behavior.
- Component in Sample Preservation and Storage Buffers
- Stabilizes proteins or enzymes by reducing water activity and microbial growth during long-term storage.
- Teaching Reagent in Thermodynamic and Equilibrium Studies
- Suitable for lab demonstrations of entropy-driven precipitation and common ion effect.
- Salt Bridge or Electrolyte in Electrochemical Cells
- Occasionally used in galvanic cell experiments to maintain ionic contact between half-cells.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Ammonium Sulphate
- CAS Number: 7783-20-2
- HS Code: 31022100 (Ammonium sulphate)
- Molecular Formula: (NH₄)₂SO₄
- Synonyms:
- Diammonium sulfate
- Sulfuric acid diammonium salt
- Mascagnite (natural mineral form)
- Ammonium sulfate
2. Physical & Chemical Properties
- Physical State: Solid (crystalline powder or granules)
- Color & Odor: White crystals; odorless
- Boiling Point: Decomposes before boiling
- Melting Point: ~235–280 °C (decomposes)
- Density/Specific Gravity: ~1.77 g/cm³
- Solubility:
- Water: Highly soluble (~75.4 g/100 mL at 20 °C)
- Alcohol: Insoluble
- pH Level: ~5.0–6.0 (in 5% aqueous solution; mildly acidic)
- Vapor Pressure: Negligible
- Flash Point: Not flammable
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable
3. Safety & Hazard Attributes
- Hazard Class (GHS):
- Not classified as hazardous under GHS
- May cause mild eye or respiratory irritation if dust is inhaled
- NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- No specific OSHA/ACGIH limits; general dust limits apply
- Reactivity:
- Stable under normal conditions
- Incompatible with strong bases and oxidizing agents
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, well-ventilated area
- Keep container tightly closed to prevent moisture uptake
- Incompatible Materials:
- Strong oxidizers, alkalis, nitrates
- Container Type:
- Plastic or glass containers with airtight seals
- Shelf Life & Expiration Date:
- ~3–5 years in dry, sealed storage
- Special Handling Requirements:
- Use gloves, lab coat, goggles
- Minimize dust generation; handle in ventilated space if large amounts used
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed in TSCA, REACH
- Also used in food, pharmaceutical, and agricultural grades (not lab-specific)
- Hazard Symbols (GHS Pictograms):
- None required for laboratory-grade use
- Transportation Restrictions:
- Not classified as hazardous material for transport
- Waste Disposal Method:
- Dilute and dispose of via laboratory wastewater system
- Avoid large-scale disposal into aquatic environments
6. Environmental & Health Impact
- Ecotoxicity:
- Can contribute to eutrophication in aquatic environments
- Persistence in Environment:
- Dissociates to ammonium and sulfate ions; may alter soil and water chemistry
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
- Biodegradability:
- Inorganic; not biodegradable but naturally occurring and assimilable
SAFETY PRECAUTIONS
- Personal Protective Equipment (PPE):
- Wear lab coat, safety goggles, and chemical-resistant gloves (e.g., nitrile).
- Use in a well-ventilated area or under a fume hood to avoid dust inhalation.
- Handling:
- Handle with care to avoid forming dust.
- Avoid inhalation, ingestion, and contact with skin or eyes.
- Do not mix with strong alkalis or oxidizing agents.
- Storage:
- Store in a tightly closed container in a cool, dry, well-ventilated area.
- Protect from moisture—the salt is hygroscopic.
- Keep away from acids and incompatible substances.
- Hygiene Measures:
- Wash hands thoroughly after handling.
- Do not eat, drink, or smoke in the lab.
- Clean all equipment and surfaces after use.
FIRST AID MEASURES
- Inhalation:
- Move to fresh air immediately.
- If symptoms like coughing or breathing difficulty occur, seek medical attention.
- Use oxygen if necessary.
- Skin Contact:
- Wash skin with plenty of water and soap.
- Remove contaminated clothing.
- Seek medical attention if irritation develops.
- Eye Contact:
- Flush eyes with clean water for at least 15 minutes.
- Hold eyelids apart to ensure thorough rinsing.
- Seek medical advice if irritation persists.
- Ingestion:
- Rinse mouth thoroughly with water.
- Do not induce vomiting.
- If conscious, give water to dilute.
- Seek medical attention if large amounts are swallowed.
FIRE FIGHTING MEASURES
- Suitable Extinguishing Media:
- Use dry chemical, carbon dioxide (CO₂), foam, or water spray, depending on the surroundings.
- Specific Hazards:
- Not flammable, but may decompose at high temperatures to release:
- Ammonia
- Sulfur oxides (SOₓ)
- Nitrogen oxides (NOₓ)
- Not flammable, but may decompose at high temperatures to release:
- Protective Equipment for Firefighters:
- Wear self-contained breathing apparatus (SCBA) and full protective gear.
- Firefighting Instructions:
- Cool exposed containers with water spray.
- Avoid inhalation of thermal decomposition products.
- Contain runoff to prevent environmental contamination—may be harmful to aquatic life in high concentrations.
Related products
Aluminium Carbonate Extra Pure
Aluminium Carbonate Extra Pure is a high-purity, white, odorless powder primarily used as a reagent in laboratory settings for analytical and research applications. Though not commonly stable under standard conditions, it is valued in controlled experimental procedures involving the study of aluminum compounds, buffer systems, and inorganic reactions. Its extra pure grade ensures low levels of contaminants, making it suitable for precise qualitative and quantitative analysis. Due to its sensitivity to moisture and tendency to decompose into aluminum hydroxide and carbon dioxide, it must be handled with care and stored in airtight containers under dry conditions to maintain chemical integrity during laboratory use.
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 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 Acetate Extra Pure
Ammonium Acetate Extra Pure is a high-purity, white crystalline solid that is highly soluble in water and commonly used as a buffer component in laboratory and analytical chemistry. It is especially valuable in high-performance liquid chromatography (HPLC), mass spectrometry, and biochemical assays where pH control and minimal ionic interference are essential. This compound also serves as a reagent in organic synthesis, particularly in the preparation of acetamides and other nitrogen-containing compounds. Its extra pure grade ensures excellent consistency, low contaminant levels, and compatibility with sensitive instrumentation. To maintain stability and prevent moisture absorption, it should be stored in a tightly sealed container in a cool, dry environment.
Ammonium Chromate Extra Pure
Ammonium Chromate Extra Pure is a high-purity, yellow crystalline compound primarily used in laboratory settings for analytical and inorganic chemistry applications. It serves as a strong oxidizing agent and is commonly utilized in qualitative analysis, particularly in the detection of cations, and in the preparation of chromate-based reagents. Its high solubility in water and ability to act as a corrosion inhibitor also make it useful in material science and electrochemical experiments. Due to the presence of hexavalent chromium, it is toxic and environmentally hazardous, requiring strict handling procedures and protective equipment. The extra pure grade ensures minimal impurities, making it suitable for high-precision research. It must be stored in tightly sealed containers, away from light, heat, and incompatible substances.
Ammonium Hydrogen Carbonate Extra Pure
Ammonium Hydrogen Carbonate Extra Pure, also known as ammonium bicarbonate, is a high-purity, white crystalline powder widely used in laboratory settings as a buffering agent, leavening agent, and source of ammonia and carbon dioxide in thermal decomposition studies. It is particularly useful in analytical chemistry for preparing buffer solutions and in gas evolution experiments due to its ability to decompose readily upon heating. In protein and enzyme work, it serves as a volatile buffer compatible with mass spectrometry. The extra pure grade ensures minimal contamination, supporting accurate and reproducible results in sensitive applications. It should be stored in tightly sealed containers in a cool, dry environment to prevent premature decomposition and loss of efficacy.
Barium Hydroxide Hydrate Extra Pure
Barium Hydroxide Hydrate Extra Pure is a high-purity, white crystalline compound containing eight molecules of water of crystallization. It is widely used in laboratory chemistry as a strong base in titration, qualitative analysis, and inorganic synthesis. Its high solubility in water and strong alkalinity make it valuable for neutralization reactions, preparation of barium salts, and as a reagent for detecting sulfates, carbonates, and phosphates. In analytical applications, it is often used where precise pH control and minimal contamination are critical. The extra pure grade ensures consistent performance in high-accuracy experiments. It should be handled with care and stored in a tightly sealed container in a cool, dry place, as it is caustic and sensitive to carbon dioxide in the air, which can lead to carbonate formation.
Barium Sulphate Extra pure
Barium Sulphate Extra Pure is a high-purity, white, odorless crystalline powder known for its extreme insolubility in water and chemical inertness, making it highly useful in laboratory settings for qualitative analysis and gravimetric determinations. It is commonly employed in the detection and quantification of sulfate ions through precipitation reactions, as well as in studies involving solubility equilibria and surface chemistry. Its high density and stability also make it valuable in preparing calibration standards and radiopaque materials in research. The extra pure grade ensures minimal contamination, providing consistent and reliable results in sensitive analytical procedures. It should be stored in a dry, tightly sealed container to maintain its quality and prevent contamination.

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