Hexadecyltrimethylammonium p-toluenesulfonate

About Hexadecyltrimethylammonium p-toluenesulfonate

Hexadecyltrimethylammonium p-toluenesulfonate is an amine building block carrying the CAS registry number 138-32-9. The compound has the formula C26H49NO3S, corresponding to a molecular weight of 455.7 g/mol. Common synonyms include Cetyltrimethylammonium p-toluene sulfonate and Cetyltrimethylammonium p-toluenesulfonate.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Hexadecyltrimethylammonium p-toluenesulfonate
Catalogue No.	VQ-040026
CAS Number	138-32-9
IUPAC name	hexadecyl(trimethyl)azanium;4-methylbenzenesulfonate
Molecular formula	C₂₆H₄₉NO₃S
Molecular weight	455.7 g/mol
Exact mass	455.3433
InChIKey	MZMRZONIDDFOGF-UHFFFAOYSA-M
SMILES	CCCCCCCCCCCCCCCC[N+](C)(C)C.CC1=CC=C(C=C1)S(=O)(=O)[O-]
PubChem CID	9868636

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 3
TPSA	65.6 Å²
Synonyms	Cetyltrimethylammonium p-toluene sulfonate, Cetyltrimethylammonium p-toluenesulfonate, Trimethylcetylammonium p-toluenesulfonate, N,N,N-Trimethyl-1-hexadecanaminium, salt with 4-methylbenzenesulfonic acid (1:1), Cetrimonium tosylate, 1-Hexadecanaminium, N,N,N-trimethyl-, 4-methylbenzenesulfonate (1:1), N,N,N-Trimethylhexadecan-1-aminium 4-methylbenzenesulfonate, cetyltrimethylammonium tosylate, Hexadecyltrimethylammonium toluene-p-sulphonate, hexadecyltrimethylazanium 4-methylbenzene-1-sulfonate, 1-Hexadecanaminium, N,N,N-trimethyl-, salt with 4-methylbenzenesulfonic acid (1:1), Hexadecyltrimethylammonium p-toluolsulfonate

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Hexadecyltrimethylammonium p-toluenesulfonate?

The CAS Registry Number of Hexadecyltrimethylammonium p-toluenesulfonate is 138-32-9. It is also known as Cetyltrimethylammonium p-toluene sulfonate, Cetyltrimethylammonium p-toluenesulfonate, Trimethylcetylammonium p-toluenesulfonate.

What is the molecular formula and molecular weight of Hexadecyltrimethylammonium p-toluenesulfonate?

Hexadecyltrimethylammonium p-toluenesulfonate has the molecular formula C26H49NO3S and a molecular weight of 455.7 g/mol.

Which grade and pack sizes of Hexadecyltrimethylammonium p-toluenesulfonate can I order?

We supply Hexadecyltrimethylammonium p-toluenesulfonate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hexadecyltrimethylammonium p-toluenesulfonate?

Yes. Every lot of Hexadecyltrimethylammonium p-toluenesulfonate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Hexadecyltrimethylammonium p-toluenesulfonate be shipped internationally?

Yes. Hexadecyltrimethylammonium p-toluenesulfonate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.