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
Potassium Chromate Extra Pure
$ 17.20
Potassium Chromate Extra Pure is a high-purity, bright yellow crystalline compound known for its reliability in precise laboratory analyses. It is commonly used as an indicator in argentometric titrations, particularly for the detection of chloride ions in solution. Its strong oxidizing nature also makes it valuable in various industrial processes, including metal passivation, pigment manufacturing, and dyeing applications. In educational and research laboratories, it serves as a dependable reagent for redox reactions and chemical demonstrations. Given its toxicity and environmental hazards, it should be stored securely and handled using proper protective equipment to ensure safety and compliance with regulatory standards.
Potassium Chromate Extra Pure
PRIMARY USES
- Analytical Chemistry:
- Used as a reagent in titration, especially for detecting chloride ions using the Mohr method.
- Acts as an oxidizing agent and indicator in redox and precipitation reactions.
- Laboratory Reagent:
- Used for preparing chromate-based solutions and standard reference materials.
- A common source of chromate ions (CrO₄²⁻) for synthesis and research.
- Pigment Manufacturing:
- Serves as a precursor in producing yellow pigments and anti-corrosion coatings.
SECONDARY USES
- Textile & Dye Industry:
- Involved in dye mordanting processes to help fix dyes to fibers.
- Glass & Ceramic Manufacturing:
- Contributes to the coloration of glass and glazes in decorative ceramics.
- Corrosion Inhibition:
- Used in chromate conversion coatings for metal surface treatment (especially aluminum).
1. Basic Identification Attributes
- Chemical Name: Potassium Chromate
- CAS Number: 7789-00-6
- HS Code: 2841.50.00
- Molecular Formula: K₂CrO₄
- Synonyms:
- Dipotassium chromate
- Chromic acid, dipotassium salt
- Yellow potassium chromate
2. Physical & Chemical Properties
- Physical State: Solid (crystalline powder)
- Color & Odor: Bright yellow, odorless
- Boiling Point & Melting Point:
- Melting Point: ~975 °C (decomposes)
- Boiling Point: Not applicable (decomposes before boiling)
- Density/Specific Gravity: ~2.73 g/cm³
- Solubility:
- Soluble in water (~62 g/L at 20 °C)
- Insoluble in alcohol
- pH Level: Alkaline (~8.6 in aqueous solution)
- Vapor Pressure & Volatility: Negligible vapor pressure
- Flash Point: Not flammable
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Oxidizing, Carcinogenic, Toxic, Environmentally Hazardous
- NFPA Ratings:
- Health: 3
- Flammability: 0
- Reactivity: 1
- Exposure Limits:
- OSHA PEL (as Cr(VI)): 0.005 mg/m³ (TWA)
- ACGIH TLV: 0.05 mg/m³ (as Cr)
- Reactivity:
- Incompatible with reducing agents, organic materials, strong acids
- Reacts with acids to produce toxic chromium compounds
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, well-ventilated area away from light and reducing agents
- Incompatible Materials:
- Organic substances, acids, reducing agents, combustible materials
- Container Type:
- Corrosion-resistant sealed containers (e.g., glass or HDPE)
- Shelf Life & Expiration Date:
- Stable under recommended conditions; check regulatory expiration guidance
- Special Handling Requirements:
- Use in fume hood
- Wear chemical-resistant gloves, goggles, lab coat, and appropriate respiratory protection
5. Regulatory & Compliance Attributes
- Regulatory Status:
- REACH Registered, OSHA regulated (Cr VI compound)
- Listed by IARC as Group 1 Carcinogen
- Subject to SARA Title III, TSCA, RCRA
- Transportation Restrictions:
- UN Number: UN 3288
- Hazard Class: 6.1 (Toxic substances)
- Waste Disposal Method:
- Dispose as hazardous waste per EPA and RCRA guidelines
- Use licensed chemical waste disposal contractor
6. Environmental & Health Impact
- Ecotoxicity:
- Highly toxic to aquatic life (LC50 < 1 mg/L for fish and invertebrates)
- Persistence in Environment:
- Persistent and non-biodegradable; Cr(VI) form is environmentally mobile
- Carcinogenicity/Mutagenicity:
- Known human carcinogen (IARC Group 1)
- Mutagenic and teratogenic risks with chronic exposure
- Biodegradability:
- Not biodegradable; requires chemical reduction to Cr(III) for detoxification
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear chemical-resistant gloves (nitrile or butyl rubber).
- Use tightly fitting safety goggles or a face shield.
- Lab coat with full coverage is essential.
- Use a dust mask or respirator if ventilation is insufficient.
- Handle in a fume hood due to toxic and carcinogenic properties.
Handling:
- Avoid all contact with skin, eyes, and clothing.
- Do not breathe dust.
- Do not ingest.
- Handle with extreme care due to its oxidizing and carcinogenic nature.
- Use only in well-ventilated areas.
Storage:
- Store in a tightly closed, corrosion-resistant container.
- Keep in a cool, dry, and well-ventilated location.
- Store away from combustible materials and reducing agents.
FIRST AID MEASURES
Inhalation:
- Move the exposed person to fresh air immediately.
- Seek urgent medical attention.
- If not breathing, give artificial respiration.
Skin Contact:
- Immediately wash skin with soap and water for at least 15 minutes.
- Remove contaminated clothing.
- Seek immediate medical assistance.
Eye Contact:
- Rinse cautiously with water for 15–20 minutes.
- Lift eyelids occasionally.
- Get medical help without delay.
Ingestion:
- Do not induce vomiting.
- Rinse mouth with water.
- Seek emergency medical care immediately.
FIRE FIGHTING MEASURES
Flammability:
- Not flammable, but a powerful oxidizer—enhances the burning of other materials.
Extinguishing Media:
- Use water spray, foam, dry chemical, or CO₂ depending on the surrounding fire.
Hazardous Combustion Products:
- Emits toxic fumes including chromium oxides and potassium oxides when heated.
Firefighter Protection:
- Full protective gear and self-contained breathing apparatus (SCBA) required.
- Keep containers cool with water spray.
- Avoid breathing vapors or dust during fire.
Related products
Acetone Extra Pure
Acetone Extra Pure is a highly volatile, flammable, and colorless liquid widely used as a powerful solvent in laboratory and industrial applications. Known for its exceptional ability to dissolve a wide range of substances, it is commonly employed for cleaning laboratory glassware, thinning resins, and removing organic residues. In the cosmetics and pharmaceutical industries, acetone is used in nail polish removers and formulation processes. Its high evaporation rate and purity make it suitable for analytical procedures and synthesis work, especially where contaminant-free solvents are essential. With a distinct odor and low boiling point, Acetone Extra Pure is an indispensable reagent for both routine and specialized chemical operations.
Aluminium Nitrate Extra Pure
Aluminium Nitrate Extra Pure is a high-purity, white crystalline compound that is highly soluble in water and widely used in laboratory chemistry for analytical, synthesis, and research purposes. It serves as a reliable source of aluminum ions in solution, making it valuable in qualitative analysis, coordination chemistry, and materials science studies. This compound is often utilized in the preparation of other aluminum salts, as a nitrating agent, and in controlled oxidation reactions. Its extra pure grade guarantees minimal interference from contaminants, ensuring accurate, reproducible results in sensitive experimental work. Aluminium Nitrate should be stored in tightly sealed containers, away from moisture and incompatible substances, due to its oxidizing nature and hygroscopicity.
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.
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.
Ammonium Chloride Extra Pure
Ammonium Chloride Extra Pure is a high-purity, white crystalline salt widely used in laboratory chemistry as a source of ammonium ions and chloride ions for analytical, inorganic, and biochemical applications. It plays a key role in preparing buffer solutions, especially in conjunction with ammonia, and is commonly used in qualitative analysis, electrochemical studies, and metal treatment experiments. In addition, it serves as a reagent in synthesis reactions and as a nitrogen source in microbial culture media. The extra pure grade ensures high consistency and minimal contaminants, making it suitable for precise and sensitive laboratory work. It should be stored in a cool, dry place in well-sealed containers to maintain stability and prevent moisture absorption.
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.
Ammonium Formate Extra Pure
Ammonium Formate Extra Pure is a high-purity, white crystalline compound commonly used in laboratory chemistry as a buffering agent, reducing agent, and reagent in organic synthesis. It plays a significant role in catalytic hydrogenation reactions, particularly in transfer hydrogenation using palladium or platinum catalysts. In analytical chemistry, it is frequently used in HPLC and mass spectrometry applications due to its volatility and compatibility with aqueous and organic mobile phases. The extra pure grade ensures extremely low levels of impurities, making it suitable for high-precision and instrument-sensitive applications. It should be stored in a cool, dry, and tightly sealed container to preserve its stability and prevent moisture uptake.
Potassium Chromate
Potassium Chromate is an inorganic chemical compound and a bright yellow crystalline solid commonly used as an oxidizing agent and pigment. It serves as a source of chromate ions in various chemical, industrial, and laboratory applications. Due to its toxic and carcinogenic nature, careful handling and strict regulatory compliance are essential. Potassium Chromate is widely used in corrosion inhibition, dyeing, and chemical synthesis processes.
