Description

Diazanium Hexafluorosilicon is an inorganic salt primarily known for its role as a source of fluoride and silicon ions. This compound is valued for its high purity and reactivity, making it a critical precursor in advanced material synthesis and surface treatment processes. It is essential for manufacturers and R&D facilities in the electronics, glass etching, and specialty chemical industries seeking reliable, high-grade inorganic reagents.

Application

• As a fluoridating agent in the production of specialty glasses and optical fibers.
• As a precursor for chemical vapor deposition (CVD) processes to deposit silicon-containing thin films in semiconductor manufacturing.
• In surface treatment and etching formulations for silicon wafers and micro-electromechanical systems (MEMS).
• As a catalyst or catalyst support in specific organic synthesis and polymerization reactions.
• For research and development of advanced ceramic materials and inorganic composites.
• In the formulation of specialized cleaning and pickling solutions for metal surfaces.

Basic Information

Product Name	Diazanium Hexafluorosilicon
CAS No.	53238-22-5
Molecular Formula	(NH₄)₂[SiF₆]
Molecular Weight	178.15 g/mol
Synonyms	Ammonium Hexafluorosilicate; Ammonium Fluosilicate; Diammonium Hexafluorosilicate; Ammonium Silicon Fluoride; (NH4)2SiF6; Silicon Hexafluoride Diammonium Salt; Ammonium Silicofluoride
EINECS	258-349-5

Quality Control

Our Diazanium Hexafluorosilicon is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

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 material is hygroscopic (moisture-sensitive) and should be kept in a dry environment. Keep away from strong alkalis.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (as (NH₄)₂[SiF₆])	≥ 98.0 %
Water Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 0.5 %

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