Description

Hydroxylamine Dihydrofluoride is a specialized inorganic salt combining hydroxylamine and hydrofluoric acid moieties. This compound is valued for its dual functionality as a source of both hydroxylamine and fluoride ions in controlled chemical synthesis and surface treatment processes. It is primarily utilized in the electronics industry for silicon wafer etching and cleaning, as well as in organic synthesis as a versatile reagent.

Application

• Semiconductor Manufacturing: Critical for precision etching and cleaning of silicon wafers and other semiconductor surfaces.
• Glass & Ceramics Processing: Used in frosting, etching, and surface modification of glass and ceramic materials.
• Organic Synthesis: Serves as a reagent for the introduction of hydroxylamine groups and as a controlled fluoride source in specialized reactions.
• Metal Surface Treatment: Employed in pickling and surface preparation of metals prior to coating or plating.
• Laboratory Research: Used as a high-purity chemical intermediate and analytical reagent in R&D settings.
• Chemical Synthesis Intermediate: A precursor in the production of other fluorinated hydroxylamine derivatives and fine chemicals.

Basic Information

Product Name	Hydroxylamine Dihydrofluoride
CAS No.	68110-20-3
Molecular Formula	H4F2NO
Molecular Weight	87.04 g/mol
Synonyms	Hydroxylammonium Dihydrofluoride; Hydroxylamine Hydrofluoride; Hydroxylamine HF; Diammonium Hydrofluoride (related); HAF; Hydroxylammonium Fluoride; Hydroxylamine Fluoride Salt
EINECS	Contact for details

Quality Control

Our Hydroxylamine Dihydrofluoride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to relevant industrial standards, with comprehensive testing for assay, impurity profiles, and physical parameters. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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 must be kept in a dry environment. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC/Titration)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Fluoride Content	40.0 - 44.0 %
Insoluble Matter	≤ 0.1%

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