Description

Boric Acid (H3BO3), Ammonium Salt is an inorganic ammonium salt derivative of boric acid, identified by CAS No. 27522-09-4. This compound serves as a versatile source of both boron and ammonium ions, making it valuable for applications requiring controlled nutrient release or flame-retardant properties. It is primarily utilized by manufacturers in the agricultural, chemical synthesis, and specialty materials industries.

Application

• As a micronutrient and nitrogen source in specialized agricultural fertilizers and hydroponic solutions.
• As a flame retardant synergist in polymers, textiles, and wood treatment formulations.
• As a precursor or catalyst in the synthesis of other boron-containing chemicals and ceramic materials.
• In the formulation of metal treatment solutions and corrosion inhibitors.
• For use in glass and enamel production to modify thermal and chemical resistance.
• As a laboratory reagent in analytical chemistry and research applications.

Basic Information

Product Name	Boric Acid (H3BO3), Ammonium Salt
CAS No.	27522-09-4
Molecular Formula	H3BO3 · xNH3 (commonly NH4B5O8·4H2O or related)
Molecular Weight	Contact for details (varies by specific hydrate/composition)
Synonyms	Ammonium Borate; Ammonium Pentaborate; Ammonium Tetraborate; Ammonium Biborate; Boron Ammonium Oxide; Boric Acid Ammonium Salt; Ammonium Hydrogen Borate; Ammonium Metaborate
EINECS	Contact for details

Quality Control

Our Boric Acid (H3BO3), Ammonium Salt is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, boron content, ammonium content, and impurity levels are available upon request to support your quality assurance protocols.

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 initial use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (as B2O3)	≥ 95.0%
Ammonium (NH4+) Content	Contact for details
Water Solubility	Clear solution
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm

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