Description

Ammonium Hydrogentetraborate is an inorganic ammonium salt of tetraboric acid, known for its utility as a source of boron and ammonium ions. This compound is valued for its role in specialized chemical synthesis and as a fluxing agent in high-temperature applications. It is primarily sought by manufacturers in the ceramics, glass, and metallurgical industries, as well as by chemical producers for formulating flame retardants and corrosion inhibitors.

Application

• As a fluxing agent in the production of specialty glasses and ceramic glazes.
• In the formulation of fire retardant and intumescent coatings for materials.
• As a corrosion inhibitor in aqueous systems and cooling water treatments.
• For use as a boron source in the synthesis of other boron-containing compounds and catalysts.
• In metallurgical processes, including brazing and soldering fluxes.
• As a stabilizer or additive in specific polymer and adhesive formulations.

Basic Information

Product Name	Ammonium Hydrogentetraborate
CAS No.	12007-57-7
Molecular Formula	H4BN2O7 or (NH4)2B4O7•H2O
Molecular Weight	191.32 g/mol (for H4BN2O7)
Synonyms	Ammonium Tetraborate; Diammonium Tetraborate; Ammonium Biborate; Ammonium Borate; Tetraboric Acid Diammonium Salt; (NH4)2B4O7; Ammonium Pyroborate
EINECS	234-513-6

Quality Control

Our Ammonium Hydrogentetraborate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (as (NH4)2B4O7•H2O)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Water Insoluble Matter	≤ 0.5 %
pH (5% solution)	7.5 - 9.5

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