Potassium titanium oxalate (CAS 14481-26-6), also known as potassium titanyl oxalate or dipotassium titanium oxide dioxalate dihydrate, is a versatile inorganic titanium complex widely used across industrial, textile, and laboratory applications. This white crystalline powder serves as an effective mordant, catalyst, surface treatment agent, and analytical reagent, delivering reliable performance in demanding processes where titanium-based chemistry is essential.
Key Chemical Properties and Specifications
It features excellent water solubility and controlled reactivity, making it ideal for aqueous formulations.
| Property | Specification |
|---|---|
| CAS Number | 14481-26-6 |
| Molecular Formula | K₂[TiO(C₂O₄)₂]·2H₂O |
| Molecular Weight | 354.15 g/mol |
| Appearance | White crystalline powder |
| Purity (Content) | ≥99.0% |
| Titanium Dioxide (TiO₂) Content | ≥22.3% |
| pH (1% aqueous solution) | 2.8–3.4 |
| Water Insoluble Matter | ≤0.05% |
| Sulfate (SO₄) | ≤0.05% |
| Chloride (Cl) | ≤0.05% |
| Heavy Metals (as Pb) | ≤0.0005% |
| Iron (Fe) | ≤0.001% |
| Solubility | Soluble in water; insoluble in alcohol |
This high-purity grade ensures minimal impurities, supporting consistent results in sensitive applications.
Primary Applications
Textile and Dyeing Industry It acts as a highly effective mordant for natural and synthetic fibers, including silk, wool, cotton, and leather. It enhances dye fixation, improves color fastness to washing and light, and produces brighter, more durable shades. It also functions as a whitening agent in printing and dyeing processes.
Metal Surface Treatment and Corrosion Protection Used in passivation and conversion coatings for aluminum, steel, and other metals, it provides an eco-friendly alternative to traditional phosphating. The compound forms protective titanium-based layers that significantly improve corrosion resistance and paint adhesion.
Catalysis and Organic Synthesis As a titanium catalyst precursor, It facilitates oxidation of aromatic compounds, synthesis of carboxylic acids and acid anhydrides, and three-component condensations (e.g., chromene derivatives). It is also employed in ceramics and advanced materials manufacturing.
Analytical Chemistry Serves as a reliable reagent for the detection, quantification, and complexation of titanium and other metal ions in laboratory analysis.
Additional Uses Electroplating baths, leather tanning, thin-film deposition, optical materials research, and precursor for titanium dioxide nanoparticles or coatings.
Benefits of Choosing High-Purity Potassium Titanium Oxalate
- Superior mordanting performance for vibrant, long-lasting colors in textiles
- Eco-friendly metal surface treatment with low environmental impact
- Versatile catalyst with high selectivity in organic reactions
- Stable under normal storage conditions with low impurity levels
- Excellent batch-to-batch consistency for industrial-scale production
Handling, Storage, and Safety
Store in a cool, dry, well-ventilated area away from strong bases or oxidizers. Use appropriate personal protective equipment (gloves, goggles, dust mask) during handling to avoid skin or eye irritation. It is classified as a mild irritant; refer to the Safety Data Sheet for complete first-aid and disposal guidelines.
Frequently Asked Questions (FAQs)
What is potassium titanium oxalate CAS 14481-26-6 primarily used for?
It is most commonly used as a mordant in textile dyeing, a passivation agent for metal surfaces, and a catalyst in organic synthesis.
Is it soluble in water?
Yes, it dissolves readily in water while remaining insoluble in alcohol, making it suitable for aqueous industrial processes.
What purity level is available for potassium titanium oxalate?
Technical and high-purity grades with ≥99.0% content are standard, meeting requirements for laboratory and industrial applications.
Can potassium titanium oxalate be used as a mordant for natural dyes?
Absolutely. It excels with natural dyes on wool, silk, cotton, and leather, significantly improving wash and light fastness.
What are the storage requirements for this compound?
Keep in tightly sealed containers in a cool, dry place. Avoid exposure to moisture and incompatible substances.
Is potassium titanium oxalate hazardous?
It is a mild irritant to skin and eyes. Standard laboratory safety practices and PPE are recommended. It is not classified as highly toxic or flammable.
What is the difference between potassium titanium oxalate and titanium dioxide?
Potassium titanium oxalate is a soluble titanium complex used as a precursor or reagent, whereas titanium dioxide is an insoluble pigment or photocatalyst.
Does potassium titanium oxalate contain heavy metals beyond specified limits?
High-purity grades maintain heavy metals (as Pb) below 0.0005%, ensuring compliance with strict industrial standards.
What packaging options are available?
Standard packaging includes 25 kg drums or customized sizes to meet bulk and small-order requirements.
Where can I purchase high-quality potassium titanium oxalate CAS 14481-26-6?
Contact a trusted supplier for competitive pricing, technical support, and fast global delivery.
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