Tetraethylammonium hydrogen sulfate

CAS 16873-13-5(C2H5)4N(HSO4)Chemical Synthesis

Tetraethylammonium hydrogen sulfate (CAS: 16873-13-5) is a quaternary ammonium salt with the linear formula (C2H5)4N(HSO4). It has a molecular weight of 227.32 g/mol. This compound functions as a phase transfer catalyst and is employed in various chemical synthesis applications. TSS supplies this reagent with an assay of ≥98.0% purity.

Email us

Tetraethylammonium hydrogen sulfate ((C2H5)4N(HSO4)) — chemical structure, CAS 16873-13-5; Chemistry, fine chemical supplied by Tech Serve Solutions

Ammonium SaltsChemical SynthesisPhase Transfer CatalystsSynthetic Reagents

01 /Applications

Phase Transfer Catalysis

Tetraethylammonium hydrogen sulfate is a quaternary ammonium salt frequently utilised as a phase transfer catalyst. It facilitates reactions between reactants in immiscible phases, enhancing reaction rates and yields in organic synthesis.

Chemical Synthesis

This compound serves as a versatile reagent in diverse chemical synthesis pathways. Its properties make it suitable for various organic transformations where controlled cation transfer is beneficial.

Laboratory Reagent

As a well-defined chemical entity, Tetraethylammonium hydrogen sulfate is employed in research and development laboratories for experimental procedures requiring specific ionic properties.

02 /Properties

Molecular weight	227.32
Linear formula	(C2H5)4N(HSO4)
Assay	≥98.0% (T)
Impurities tested	≤2% water
Melting point	240-245 °C

03 /Safety & handling

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

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

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

04 /Identifiers & registry

CAS number

16873-13-5

MDL number

MFCD00036150

PubChem substance

24888714

Beilstein registry

6590581

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 Tetraethylammonium hydrogen sulfate used for?

Tetraethylammonium hydrogen sulfate (CAS: 16873-13-5) is primarily used as a phase transfer catalyst in chemical synthesis and as a general laboratory reagent.

What is the CAS number and formula for Tetraethylammonium hydrogen sulfate?

The CAS number is 16873-13-5, and its linear formula is (C2H5)4N(HSO4).

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Tetraethylammonium hydrogen sulfate with an assay of ≥98.0% (T), containing ≤2% water. We do not represent this product as meeting pharmacopoeia standards such as USP, BP, or EP.

How should Tetraethylammonium hydrogen sulfate be handled safely?

Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified as an irritant to skin, eyes, and respiratory tract (H315-H319-H335).

How is this chemical packed, shipped, and exported?

Tetraethylammonium hydrogen sulfate is carefully packed to ensure integrity during transit and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations.

How can I request a sample or quote for Tetraethylammonium hydrogen sulfate?

To request a sample or a detailed quote, please contact our sales team through the website or by direct inquiry, providing your contact information and the quantity required.