Potassium Oxalate is an inorganic salt of oxalic acid commonly supplied as a crystalline solid and used as a chelating agent, reducing agent component, and analytical reagent in laboratory and industrial applications.
Potassium Oxalate is widely used in analytical chemistry, metal treatment, and specialized process formulations where oxalate complexation of metal ions is required.
Potassium Oxalate is valued for high water solubility, strong complexing behavior with many metals, and usefulness as a controlled oxalate source in aqueous systems.
CAS Number: 583-52-8 (commonly for dipotassium oxalate; grade dependent)
EC Number: 209-506-8
Molecular Formula: K2C2O4
Molecular Weight: 184.23 g/mol
Synonyms: Potassium Oxalate, Dipotassium Oxalate, Potassium Ethanedioate, Oxalic Acid Dipotassium Salt, K2C2O4, Potassium Oxalate Monohydrate (when applicable), Potassium Oxalate Reagent, Potassium Oxalate Analytical Grade, Potassium Oxalate Chelating Agent, Potassium Oxalate Salt, Dipotassium Oxalate Powder, Potassium Oxalate Laboratory Reagent, Potassium Oxalate, Dipotassium Oxalate, Oxalic Acid Dipotassium Salt, Oxalic Acid Potassium Salt, Ethanedioic Acid Dipotassium Salt, Ethanedioate Dipotassium, Potassium Ethanedioate, Potassium Oxalate Anhydrous, Potassium Oxalate Monohydrate, Dipotassium Oxalate Monohydrate, Potassium Oxalate K2C2O4, K2 Oxalate, Oxalate of Potassium, Potassium Salt of Oxalic Acid, Potassium Oxalate USP, Potassium Oxalate Reagent Grade, Potassium Oxalate Analytical Grade, Potassium Oxalate Laboratory Grade, Potassium Oxalate Technical Grade, Potassium Oxalate Industrial Grade, Potassium Oxalate High Purity, Potassium Oxalate 99%, Potassium Oxalate Crystalline, Potassium Oxalate Powder, Potassium Oxalate White Crystals, Potassium Oxalate ACS Grade, Potassium Oxalate LR Grade, Potassium Oxalate AR Grade, Potassium Oxalate Photographic Grade, Potassium Oxalate Developer Grade, Potassium Oxalate Buffer Salt, Potassium Oxalate Complexing Agent, Potassium Oxalate Precipitant, Potassium Oxalate Reducing Agent, Potassium Oxalate Mordant Grade, Potassium Oxalate Textile Grade, Potassium Oxalate Electroplating Grade, Potassium Oxalate Cleaning Grade, Potassium Oxalate Metal Treatment Grade, Potassium Oxalate Rust Removal Grade, Potassium Oxalate Descaling Agent, Potassium Oxalate Chelating Salt, Potassium Oxalate Sequestering Salt, Potassium Oxalate pH Buffer, Potassium Oxalate Standard Solution Salt, Potassium Oxalate Titration Grade, Potassium Oxalate Volumetric Grade
APPLICATIONS
Potassium Oxalate is used in analytical chemistry as a reagent for preparing standard solutions and controlled oxalate concentrations.
Potassium Oxalate is used in titration and complexation experiments where oxalate chemistry supports measurement and calibration.
Potassium Oxalate is incorporated into laboratory protocols to complex metal ions and improve analytical selectivity.
Potassium Oxalate is used in hematology as an anticoagulant component in blood collection tubes in selected systems and validated protocols.
Potassium Oxalate is used in clinical laboratory sample handling to prevent clotting where oxalate anticoagulants are specified.
Potassium Oxalate is incorporated into diagnostic workflows where controlled potassium oxalate dosage supports sample integrity.
Potassium Oxalate is used in metal treatment processes to form oxalate complexes that influence solubility and deposition.
Potassium Oxalate is applied in metal cleaning and descaling where complexation assists in removal of certain metal residues.
Potassium Oxalate is used in surface preparation steps where oxalate chemistry supports controlled metal-ion behavior.
Potassium Oxalate is used in electroplating and metal finishing as a complexing agent in selected bath chemistries.
Potassium Oxalate is incorporated into plating baths to help control free metal ion concentration and deposition behavior.
Potassium Oxalate is used in bath maintenance and adjustment where oxalate complexation improves stability.
Potassium Oxalate is used in chemical synthesis as a source of oxalate ions for precipitation and complex formation reactions.
Potassium Oxalate is incorporated into reactions where insoluble oxalates are formed for separation or purification steps.
Potassium Oxalate is used in inorganic chemistry to prepare metal oxalate intermediates for downstream conversion.
Potassium Oxalate is used in photographic and imaging chemistry as a component in selected historical and specialty processing solutions.
Potassium Oxalate is used in specialty developer or buffer solutions where oxalate contributes ionic strength and complexation.
Potassium Oxalate is used in restoration and research contexts where traditional photographic chemistry is replicated.
Potassium Oxalate is used in textile processing in selected dye and finishing systems where metal-ion control affects shade and reproducibility.
Potassium Oxalate is incorporated into process baths where oxalate complexes reduce unwanted metal-catalyzed reactions.
Potassium Oxalate is used where controlled complexation supports consistent wet processing performance.
Potassium Oxalate is used in water treatment and cleaning systems as a chelant in compatible formulations where oxalate chemistry is appropriate.
Potassium Oxalate is incorporated into formulations to bind calcium and other metal ions under controlled pH conditions.
Potassium Oxalate is used in specialized scale management steps where oxalate precipitation or complexation is desired.
Potassium Oxalate is used in laboratory crystallization to produce metal oxalate crystals for materials research.
Potassium Oxalate is applied in precursor production for metal oxide powders via thermal decomposition of oxalates.
Potassium Oxalate is used in academic experiments demonstrating coordination chemistry and precipitation principles.
Potassium Oxalate is used in cleaning and maintenance of certain equipment where oxalate solutions assist in removing metal stains.
Potassium Oxalate is incorporated into formulations for removing rust stains and metal discoloration in controlled applications.
Potassium Oxalate is used where oxalate chemistry provides a targeted approach to metal-related staining issues.
Potassium Oxalate is used in chemical manufacturing where oxalate ions are required as intermediates for downstream products.
Potassium Oxalate is used in process chemistry where controlled solubility and precipitation behavior support separation steps.
Potassium Oxalate is valued in many applications because it provides a reliable, soluble oxalate source for complexation chemistry.
Potassium Oxalate is used in analytical chemistry as a complexing and precipitating reagent.
Potassium Oxalate is used to prepare and standardize solutions for laboratory titrations.
Potassium Oxalate supports controlled reactions with metal ions in aqueous media.
Potassium Oxalate is employed in hematology as an anticoagulant in blood collection.
Potassium Oxalate prevents clotting by binding calcium ions in blood samples.
Potassium Oxalate helps preserve sample integrity for certain laboratory measurements.
Potassium Oxalate is used in clinical laboratories for glucose testing workflows.
Potassium Oxalate is combined with other additives to help maintain analyte stability during transport.
Potassium Oxalate supports reproducible results when protocols specify oxalate anticoagulation.
Potassium Oxalate is used in photographic and imaging chemistry for specialty processing baths.
Potassium Oxalate can participate in metal complexation steps in certain photographic formulations.
Potassium Oxalate helps control ionic strength and complex equilibria in processing solutions.
Potassium Oxalate is applied in metal finishing and surface treatment.
Potassium Oxalate can be used to complex dissolved metal ions during cleaning or etching steps.
Potassium Oxalate supports more consistent bath performance by reducing uncontrolled precipitation.
Potassium Oxalate is used in electroplating bath maintenance as a chelating agent in specific systems.
Potassium Oxalate can help manage trace metal contaminants in plating solutions.
Potassium Oxalate supports deposit quality by moderating unwanted metal-ion interactions.
Potassium Oxalate is used in textile processing for controlled metal-ion sequestration.
Potassium Oxalate can reduce interference from hardness metals during dyeing and finishing.
Potassium Oxalate supports more uniform shade development in certain dye systems.
Potassium Oxalate is used in paper and pulp operations where metal-ion control is needed.
Potassium Oxalate can help bind multivalent ions that affect brightness or process stability.
Potassium Oxalate supports cleaner process water loops by limiting scale precursors.
Potassium Oxalate is used in water treatment studies and laboratory simulation of scale formation.
Potassium Oxalate helps model calcium binding behavior under controlled conditions.
Potassium Oxalate supports evaluation of antiscalants and inhibition strategies in bench tests.
Potassium Oxalate is used as a reagent for preparing metal oxalate salts in synthesis.
Potassium Oxalate reacts with soluble metal salts to form sparingly soluble oxalate precipitates.
Potassium Oxalate enables isolation of metal oxalates used as catalyst precursors or intermediates.
Potassium Oxalate is used in ceramics and advanced materials research to prepare oxide precursors.
Potassium Oxalate helps produce uniform metal oxalates that calcine to metal oxides.
Potassium Oxalate supports controlled particle formation prior to thermal processing.
DESCRIPTION
Potassium Oxalate is typically a white crystalline powder or granular solid with little to no odor.
Potassium Oxalate is the dipotassium salt of oxalic acid and dissolves readily in water to form clear solutions.
Potassium Oxalate provides oxalate ions that can strongly complex metal ions and can also form insoluble oxalate salts with certain metals.
Potassium Oxalate can be toxic if ingested and can contribute to oxalate-related health risks, so it should be handled with care.
Potassium Oxalate dust can irritate eyes and respiratory tract, and good dust control practices should be used during handling.
Potassium Oxalate solutions are typically used under controlled pH conditions because oxalate complexation and precipitation behavior is pH dependent.
Potassium Oxalate should be stored in tightly closed containers in a cool, dry place to prevent moisture pickup and caking.
Potassium Oxalate should be kept away from strong acids and incompatible reactive chemicals to avoid uncontrolled reactions.
Potassium Oxalate should be used with appropriate training and safety controls due to toxicity and potential irritation.
Potassium Oxalate is an inorganic salt composed of potassium cations and oxalate anions.
Potassium Oxalate is typically supplied as a white crystalline solid or powder.
Potassium Oxalate is odorless and generally stable under normal ambient conditions.
Potassium Oxalate is soluble in water and forms clear aqueous solutions at typical laboratory concentrations.
Potassium Oxalate solution behavior depends on concentration, temperature, and water quality.
Potassium Oxalate contributes oxalate ions that readily interact with multivalent metal ions.
Potassium Oxalate is a strong chelating and precipitating agent for calcium and certain transition metals.
Potassium Oxalate can form sparingly soluble calcium oxalate under appropriate conditions.
Potassium Oxalate can change metal speciation by forming soluble or insoluble oxalate complexes.
Potassium Oxalate is commonly encountered in laboratory and industrial settings as a reagent rather than a bulk commodity.
Potassium Oxalate is used where control of calcium ions is required.
Potassium Oxalate is also used where oxalate-based precipitation is desired.
Potassium Oxalate should be handled with care because oxalate salts can be toxic.
Potassium Oxalate can be harmful if swallowed and may cause irritation to eyes or skin.
Potassium Oxalate exposure should be minimized by using gloves, goggles, and good ventilation.
Potassium Oxalate should be stored in tightly closed containers to prevent moisture uptake and contamination.
Potassium Oxalate should be kept away from strong acids that can liberate oxalic acid.
Potassium Oxalate should be segregated from incompatible oxidizers and reactive chemicals.
Potassium Oxalate solutions can interfere with calcium-dependent biochemical processes.
Potassium Oxalate is therefore used intentionally to inhibit coagulation by reducing free calcium.
Potassium Oxalate is selected in protocols that specify oxalate anticoagulation chemistry.
PROPERTIES
Chemical Formula: K2C2O4
Molecular Weight: 184.23 g/mol
Common Name: Potassium Oxalate (Dipotassium Oxalate)
Chemical Nature: Inorganic oxalate salt (metal-complexing agent)
Appearance: White crystalline powder or granules
Odor: Odorless
Solubility: Soluble in water; forms clear solutions
pH (1% solution): Typically mildly alkaline to near neutral (grade dependent)
Stability: Stable under normal storage; reacts with strong acids to release oxalic acid
Hygroscopicity: Slightly hygroscopic (grade dependent)
Flash Point: Not applicable (non-volatile solid)
Storage Temperature: 15–30°C, dry, tightly closed
Shelf Life: Typically 24 months in original sealed packaging (supplier dependent)
FIRST AID
Inhalation:
Move to fresh air if dust is inhaled.
Seek medical attention if coughing or respiratory irritation persists.
Avoid breathing dust during handling and transfer.
Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water and do not induce vomiting.
Seek immediate medical attention due to toxicity risk.
Never give anything by mouth to an unconscious person.
Note to Physicians:
Treat symptomatically and supportively.
Consider oxalate toxicity and potential electrolyte disturbances.
Monitor renal function and calcium balance depending on exposure severity.
HANDLING AND STORAGE
Handling:
Use appropriate PPE including gloves and safety goggles.
Avoid generating dust during weighing, pouring, or conveying.
Wash hands after handling and before eating, drinking, or smoking.
Ventilation:
Use local exhaust or general ventilation where dust may be generated.
Maintain good airflow during charging and mixing operations.
Minimize airborne particulate accumulation in enclosed areas.
Storage:
Store in a cool, dry place away from moisture and humidity.
Keep containers tightly sealed and properly labeled.
Keep away from strong acids and incompatible reactive chemicals.
Spill and Leak Procedures:
Sweep or vacuum spilled material using methods that minimize dust generation.
Collect in suitable containers for disposal according to local regulations.
Clean residue with water while preventing slip hazards on wet surfaces.
Handling Precautions:
Avoid ingestion and avoid creating airborne dust because oxalate salts can be harmful if swallowed or inhaled.
Use clean, dedicated equipment for laboratory and production environments to prevent cross-contamination.
Rotate stock using FIFO practices to maintain consistent quality and performance.