Description

Sodium Metaborate is an important inorganic borate compound with the chemical formula NaBO₂. This versatile chemical serves as a key source of borate ions and acts as an effective buffering and fluxing agent in numerous industrial processes. It is essential for manufacturers in the glass, ceramics, detergent, and metallurgy industries seeking reliable, high-purity raw materials.

Application

• As a fluxing agent in glass and ceramic production to lower melting temperatures and improve product quality.
• As a corrosion inhibitor and buffering agent in industrial cleaning formulations and detergent powders.
• In the metallurgical industry for metal surface treatment and as a component in welding and brazing fluxes.
• As a fire retardant synergist in plastics, textiles, and wood treatment applications.
• In the formulation of herbicides and pesticides as a stabilizing and buffering component.
• For water treatment processes to control pH and mitigate scaling.
• As a laboratory reagent and analytical standard in chemical synthesis and research.

Basic Information

Product Name	Sodium Metaborate
CAS No.	7775-19-1
Molecular Formula	NaBO₂
Molecular Weight	65.80 g/mol
Synonyms	Sodium Borate (Metaborate); Boron Sodium Oxide (NaBO₂); Sodium Metaborate Tetrahydrate; Metaboric Acid Sodium Salt; Sodium Oxoboranolate; Boric Acid (HBO₂), Sodium Salt; Caswell No. 771
EINECS	231-891-6

Quality Control

Our Sodium Metaborate is manufactured under a strict 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 quality assurance requirements.

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) and must be kept in original packaging or a suitable moisture-proof container to prevent caking and degradation.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (as NaBO₂)	≥ 98.0 %
pH (5% solution)	10.0 - 11.5
Loss on Drying	≤ 2.0 %
Water Insoluble Matter	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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