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Fluorosilic acid

Fluorosilic acid

CAS Number: 16961-83-4

Molecular Formula: H2SiF6

About Fluorosilic acid

Fluorosilicic acid (CAS 16961-83-4) serves as a critical inorganic intermediate in the United States, predominantly recovered as a high-volume byproduct from phosphate fertilizer manufacturing to satisfy 25% to 40% technical grade requirements for municipal water fluoridation and industrial pH adjustment. Hexafluorosil...

Fluorosilic acid Specifications

CAS Number
16961-83-4
Molecular Formula
H2SiF6
Molecular Weight
144.09 g/mol
IUPAC Name
Hexafluorosilicic acid
Canonical SMILES
[H+].[H+].F[Si-2](F)(F)(F)(F)F
InChI Key
OHORFAFFMDIQRR-UHFFFAOYSA-P
Molecular Weight
144.09 g/mol

Water Fluoridation Agent

A primary chemical additive used in municipal water treatment systems to adjust fluoride levels for the prevention of dental caries in public water supplies

Chemical Intermediate

A versatile precursor used in the industrial synthesis of aluminum fluoride, synthetic cryolite, and various metal fluorosilicates

Metal Surface Treatment

An effective agent for electroplating, electrolytic lead refining, and as a corrosion inhibitor or cleaner for ferrous and non-ferrous metals

Construction and Ceramic Hardener

A critical processing aid utilized for hardening masonry, concrete, and ceramics, as well as for etching glass and stoneware

Wood Preservative

A potent biocidal formulation used to protect timber against fungal decay and insect infestation by forming stable metal fluoride complexes within the wood structure.

Fluorosilic acid FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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