Aluminium Potassium Sulphate Hydrated Extra Pure
$ 19.00 Original price was: $ 19.00.$ 18.74Current price is: $ 18.74.
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.
Aluminium Potassium Sulphate Hydrated Extra Pure
Primary Uses
- Reagent in Qualitative Inorganic Analysis
- Used to identify hydroxide and sulfate reactions; ideal for testing amphoteric behavior of aluminum salts.
- Educational Demonstrations in Crystallization
- Classic material for growing large, clear single crystals; used in teaching crystallography and solubility.
- Preparation of Other Aluminium Compounds
- Source of aluminum ions in synthesis of aluminum hydroxide, aluminum oxide, or other lab reagents.
- Buffering Agent in Lab-Scale Formulations
- Helps maintain mildly acidic pH in specific analytical or biological tests.
- Fixative and Mordant in Histology and Microscopy
- Used in preparing biological samples for staining and as a mordant in dye-binding studies.
Secondary Uses
- Flocculation Studies in Environmental Chemistry
- Simulates coagulation behavior in lab-scale water and wastewater treatment models.
- Ionic Conductivity and Electrolyte Studies
- Serves as a stable ionic compound for demonstrating conductivity in aqueous systems.
- Food Chemistry and Additive Testing (Research Only)
- Studied in lab environments for its behavior as a preservative or firming agent in food testing.
- Antimicrobial Testing and Antiperspirant Research
- Evaluated in lab-based screening of antimicrobial and astringent effects on biological samples.
- Teaching Reactions of Double Salts
- Demonstrates thermal decomposition, hydration/dehydration, and dual-ion behavior in classroom labs.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Aluminium Potassium Sulphate Dodecahydrate
- CAS Number: 10043-67-1
- HS Code: 28333000 (Alums)
- Molecular Formula: KAl(SO₄)₂·12H₂O
- Synonyms:
- Potassium alum
- Potash alum
- Alum
- Kalinite
- Aluminium potassium sulfate dodecahydrate
2. Physical & Chemical Properties
- Physical State: Solid (crystalline powder or transparent crystals)
- Color & Odor: Colorless or white; odorless
- Boiling Point: Decomposes before boiling
- Melting Point: ~92.5°C (loses water of crystallization)
- Density/Specific Gravity: ~1.75 g/cm³
- Solubility:
- Water: Soluble (~15 g/100 mL at 20°C)
- Alcohol: Insoluble
- pH Level: ~3.0–4.5 (in 5% aqueous solution)
- Vapor Pressure: Negligible
- Flash Point: Not flammable
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable (solid)
3. Safety & Hazard Attributes
- Hazard Class (GHS):
- Eye Irritation (Category 2)
- Skin Irritation (Category 2)
- Not classified as hazardous in most lab scenarios
- NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- No specific OSHA or ACGIH limits
- Use general nuisance dust guidelines
- Reactivity:
- Stable under normal conditions
- Incompatible with strong bases (may release ammonia or aluminium hydroxide)
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry place
- Avoid exposure to moisture (hygroscopic)
- Incompatible Materials:
- Strong bases, reducing agents
- Container Type:
- Glass or plastic containers with tight seals
- Shelf Life & Expiration Date:
- Stable for several years if stored dry and sealed
- Special Handling Requirements:
- Use gloves and eye protection
- Avoid inhalation of dust; use fume hood if necessary
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed in TSCA, REACH
- Widely accepted in academic and industrial laboratory settings
- Transportation Restrictions:
- Not regulated for transport
- Waste Disposal Method:
- Dilute with water and neutralize if needed
- Dispose of according to local and institutional non-hazardous waste guidelines
6. Environmental & Health Impact
- Ecotoxicity:
- Low toxicity; moderately harmful to aquatic life in high concentrations
- Persistence in Environment:
- Dissociates into potassium, aluminium, and sulfate ions; not persistent
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
- Biodegradability:
- Inorganic; not biodegradable, but breaks down into environmentally manageable ions
SAFETY PRECAUTIONS
- Personal Protective Equipment (PPE):
- Wear a lab coat, safety goggles, and chemical-resistant gloves (e.g., nitrile).
- Use a dust mask or operate under a fume hood if powder becomes airborne.
- Handling:
- Handle with care to avoid dust generation.
- Avoid contact with eyes, skin, and clothing.
- Use in a well-ventilated laboratory or under a fume hood.
- Avoid mixing with strong bases or reactive metals.
- Storage:
- Store in a tightly sealed, moisture-proof container in a cool, dry, and well-ventilated area.
- Keep away from strong oxidizers and bases.
- Label container clearly and prevent contamination.
- Hygiene Measures:
- Wash hands and face thoroughly after handling.
- Avoid touching face or eyes while handling.
- Do not eat, drink, or apply cosmetics in laboratory areas.
FIRST AID MEASURES
- Inhalation:
- Move person to fresh air.
- Rinse mouth and nose with water if dust was inhaled.
- Seek medical attention if irritation or breathing discomfort occurs.
- Skin Contact:
- Rinse skin thoroughly with soap and water.
- Remove contaminated clothing.
- Seek medical advice if irritation develops.
- Eye Contact:
- Flush eyes with plenty of clean water for at least 15 minutes.
- Lift eyelids occasionally while rinsing.
- Seek medical attention if irritation persists.
- Ingestion:
- Rinse mouth with water.
- Give water to dilute if the person is conscious.
- Do not induce vomiting.
- Seek medical attention, especially if large amounts are ingested.
FIRE FIGHTING MEASURES
- Suitable Extinguishing Media:
- Use water spray, dry chemical powder, carbon dioxide (CO₂), or foam.
- Specific Hazards:
- Non-flammable, but may release sulfur oxides and potassium/aluminum oxides upon thermal decomposition.
- Can contribute to corrosive runoff when heated in a fire.
- Protective Equipment for Firefighters:
- Wear self-contained breathing apparatus (SCBA) and full protective gear.
- Firefighting Instructions:
- Contain runoff to prevent environmental contamination.
- Cool fire-exposed containers with water spray.
- Avoid inhaling dust or thermal decomposition products.
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 Sulphate Anhydrous Extra Pure
Aluminium Sulphate Anhydrous Extra Pure is a high-purity, white crystalline or powdery solid commonly used in laboratory chemistry as a source of aluminum ions for precipitation, titration, and coordination studies. Its anhydrous form provides a concentrated and stable option for applications requiring precise control over water content, such as analytical reagent preparation, pH adjustment, and synthesis of other aluminum salts. This compound is also used in paper sizing experiments, dye fixation, and water treatment research. The extra pure grade ensures very low levels of contaminants, supporting accurate and reproducible results in sensitive experimental work. It should be stored in airtight containers in a dry area to prevent moisture absorption and preserve its chemical integrity.
Ammonia Solution Extra Pure
Ammonia Solution Extra Pure is a high-purity, clear, colorless liquid composed of ammonia gas dissolved in water, emitting a strong, characteristic pungent odor. Widely used in laboratory chemistry, it serves as a crucial reagent in acid-base titrations, complexometric analysis, and the preparation of ammonium salts and metal-ammonia complexes. Its alkaline nature makes it valuable for pH adjustment, cleaning of laboratory glassware, and as a reducing agent in certain analytical procedures. The extra pure grade ensures low levels of impurities, supporting reliable results in sensitive experimental work. Due to its volatility and corrosiveness, it should be handled in well-ventilated areas and stored in tightly sealed, chemically resistant containers.
Ammonium Carbonate Extra Pure
Ammonium Carbonate Extra Pure is a high-quality, white crystalline solid widely used across various scientific, industrial, and food-related applications. Manufactured to stringent purity standards, this compound is ideal for laboratories and processes that demand high-grade reagents. With its characteristic ammonia-like odor and ability to decompose upon heating, ammonium carbonate plays a versatile role in both chemical reactions and physical processes.
In aqueous solution, ammonium carbonate breaks down into ammonium bicarbonate and ammonium carbamate, further releasing ammonia (NH₃) and carbon dioxide (CO₂) upon heating. This property makes it especially useful in applications that require controlled gas release or temporary pH modification.
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 Cupric Chloride Extra Pure
Ammonium Cupric Chloride Extra Pure is a high-purity, greenish-blue crystalline compound composed of ammonium and copper(II) ions combined with chloride. It is primarily used in laboratory chemistry for etching, electroplating studies, and as a reagent in qualitative analysis and coordination chemistry. This compound is particularly valuable in experiments involving complex ion formation and redox behavior of transition metals. Its extra pure grade ensures high consistency and low levels of interfering impurities, supporting precise analytical and research work. Due to its sensitivity to light and moisture, it should be stored in tightly sealed, opaque containers in a cool, dry environment to maintain stability and reactivity.
Ammonium Ferric Sulphate Extra Pure
Ammonium Ferric Sulphate Extra Pure, also known as ferric ammonium sulfate or iron alum, is a high-purity, violet to light purple crystalline compound used extensively in laboratory settings for analytical and inorganic chemistry. It serves as a reliable oxidizing agent and a standard in redox titrations, particularly in permanganometry. Its stable and non-hygroscopic nature makes it ideal for preparing standard iron solutions, studying coordination complexes, and teaching laboratory procedures involving iron(III) salts. The extra pure grade ensures minimal interference from impurities, enabling accurate and reproducible results in sensitive experiments. It should be stored in a dry, cool environment in well-sealed containers to preserve its chemical integrity.
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.

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