Description

Potassium Tetraborate Tetrahydrate is a versatile inorganic salt with significant utility across various industrial sectors. Its primary value lies in its role as a source of both potassium and borate ions, making it a key component in formulations requiring controlled release or specific chemical reactivity. This compound is essential for manufacturers in the glass, ceramics, agriculture, and specialty chemical industries seeking a reliable and consistent borate source. Potassium Tetraborate Tetrahydrate CAS NO 12045-78-2 is recognized for its specific hydrate form, which influences its handling and application properties.

Application

The unique chemical profile of Potassium Tetraborate Tetrahydrate enables its use in several critical industrial processes:

• Glass and Ceramics Manufacturing: Acts as a fluxing agent to lower melting temperatures and improve the thermal and chemical durability of glass, enamels, and glazes.
• Flame Retardants: Serves as a component in fire-retardant formulations for textiles, wood, and plastics, where it promotes char formation and suppresses smoke.
• Agriculture: Used as a micronutrient fertilizer and a boron source to correct soil deficiencies and promote healthy plant growth.
• Metal Treatment and Welding: Employed in metal finishing and as a component in welding and brazing fluxes to remove oxides and improve joint quality.
• Detergents and Cleaners: Functions as a builder and bleaching aid in industrial and institutional cleaning products, enhancing surfactant performance and stain removal.
• Laboratory and Chemical Synthesis: Utilized as a reagent or buffer in various chemical processes and analytical applications.

Basic Information

Product Name	Potassium Tetraborate Tetrahydrate
CAS No.	12045-78-2
Molecular Formula	K2B4O7·4H2O
Molecular Weight	305.50 g/mol
Synonyms	Dipotassium Tetraborate Tetrahydrate; Potassium Borate Tetrahydrate; Borax, Potassium; Tetrapotassium Octaborate Tetrahydrate; Potassium Pyroborate Tetrahydrate; K2O·2B2O3·4H2O; Dipotassium Tetrahydrogen Octaoxotetraborate
EINECS	234-949-9

Quality Control

Our Potassium Tetraborate Tetrahydrate is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. We provide a Certificate of Analysis (COA) with every shipment, detailing key parameters such as assay, impurity levels, and loss on drying. Our quality commitment ensures batch-to-batch consistency and reliability for your critical industrial processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can lead to caking or changes in composition.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (K2B4O7·4H2O)	≥ 98.0 %
Loss on Drying	22.0 - 24.5 %
pH (5% solution)	8.5 - 9.5
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.