Fluoroantimonic acid hexahydrate

CAS 72121-43-8HSbF6 · 6H2OSalts

Fluoroantimonic acid hexahydrate (CAS 72121-43-8) is a highly acidic and reactive chemical compound with the linear formula HSbF6 · 6H2O. It is a solid form of fluoroantimonic acid, one of the strongest known superacids. Its exceptional acidity makes it a valuable reagent in specialised chemical synthesis, particularly for the preparation of highly reactive intermediates.

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Fluoroantimonic acid hexahydrate (HSbF6 · 6H2O) — chemical structure, CAS 72121-43-8; Chemistry, fine chemical supplied by Tech Serve Solutions

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01 /Applications

Preparation of Alkylidene Oxonium Salts

Fluoroantimonic acid hexahydrate serves as an excellent medium for the synthesis of alkylidene oxonium salts. This application leverages its strong acidic properties to facilitate specific organic transformations.

Superacidic Reagent in Organic Synthesis

As a potent superacid, it can be employed in specialised organic reactions where extremely high acidity is required to promote or catalyse reactions that are unachievable with conventional acids.

Research and Development

Utilised in research laboratories for investigating novel chemical reactions and developing new synthetic methodologies that benefit from superacidic conditions.

02 /Properties

Molecular weight	344.85
Linear formula	HSbF6 · 6H2O
Form	solid
Vapour pressure	8 mmHg (47 °C)
Application	HF/SbF5 is an excellent medium for the preparation of alkylidene oxonium salts.1

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

GHS hazard pictogram: Environmental hazard (GHS09) — Environmental hazard

Warning

Hazard statements

H302Harmful if swallowed
H332Harmful if inhaled
H411Toxic to aquatic life with long-lasting effects

Precautionary statements

P273Avoid release to the environment

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Transport (UN / ADR)	UN 2922 6.1(8) / PGII
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xn,N
Risk statements (R)	20/22-51/53
Safety statements (S)	61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

72121-43-8

MDL number

MFCD00149905

PubChem substance

24860618

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Fluoroantimonic acid hexahydrate used for?

Fluoroantimonic acid hexahydrate is primarily used as a medium for preparing alkylidene oxonium salts and as a superacidic reagent in specialised organic synthesis and research.

What is the CAS number and formula for Fluoroantimonic acid hexahydrate?

The CAS number is 72121-43-8 and the linear formula is HSbF6 · 6H2O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Fluoroantimonic acid hexahydrate as a research-grade chemical. We do not represent this product as meeting USP, BP, EP, or any other pharmacopoeial standards.

How should Fluoroantimonic acid hexahydrate be handled safely?

Handling requires stringent safety measures. Personnel must wear eyeshields, a full-face respirator, and protective gloves. It is harmful if swallowed or inhaled and can cause skin irritation. Due to its corrosive nature, appropriate personal protective equipment as indicated by the safety data sheet is mandatory.

Is this chemical shipped internationally?

Yes, Tech Serve Solutions exports fine chemicals globally, adhering to all relevant international shipping regulations for hazardous materials.

How can I request a sample or quote?

To request a sample or a quote for Fluoroantimonic acid hexahydrate, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.