Ethyl-P-Toluenesulfonate

Name: Ethyl-P-Toluenesulfonate
Brand: Vaqora Chemicals
SKU: VQ-010878

About Ethyl-P-Toluenesulfonate

Listed under CAS 80-40-0, Ethyl-P-Toluenesulfonate is an organosulfur compound available from Vaqora Chemicals. Its molecular formula is C9H12O3S and its molecular weight is 200.26 g/mol. Systematically, it is named ethyl 4-methylbenzenesulfonate. Common synonyms include Ethyl p-Tosylate and p-Toluenesulfonic Acid Ethyl Ester.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, 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	Ethyl-P-Toluenesulfonate
Catalogue No.	VQ-010878
CAS Number	80-40-0
IUPAC name	ethyl 4-methylbenzenesulfonate
Molecular formula	C₉H₁₂O₃S
Molecular weight	200.26 g/mol
Exact mass	200.0507
Grade	Reference Standard
InChIKey	VRZVPALEJCLXPR-UHFFFAOYSA-N
SMILES	CCOS(=O)(=O)C1=CC=C(C=C1)C
PubChem CID	6638

Physical properties
Physical form	Other
LogP (XLogP3)	1.8
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
Synonyms	Ethyl p-Tosylate, p-Toluenesulfonic Acid Ethyl Ester, Ethyl 4-toluenesulfonate, Ethyl p-methylbenzenesulfonate, Ethyl p-toluenesulfonate, Ethyl toluenesulfonate, Ethyl tosylate, Toluene-4-sulfonic acid ethyl ester, 2,6-ditert-butyl-4-(hydroxymethyl)phenol, 1,3,5-trimethylbenzene, Benzenesulfonic acid, 4-methyl-, ethyl ester, Ethyl p-TS

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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

Other grades of CAS 80-40-0

Ethyl p-toluenesulphonate, 98%

CAS: 80-40-0
Formula: C₉H₁₂O₃S
MW: 200.26 g/mol

VQ-010876

Frequently asked questions

What is the CAS number of Ethyl-P-Toluenesulfonate?

The CAS Registry Number of Ethyl-P-Toluenesulfonate is 80-40-0. It is also known as Ethyl p-Tosylate, p-Toluenesulfonic Acid Ethyl Ester, Ethyl 4-toluenesulfonate.

What is the molecular formula and molecular weight of Ethyl-P-Toluenesulfonate?

Ethyl-P-Toluenesulfonate has the molecular formula C9H12O3S and a molecular weight of 200.26 g/mol. Its IUPAC name is ethyl 4-methylbenzenesulfonate.

Which grade and pack sizes of Ethyl-P-Toluenesulfonate can I order?

We supply Ethyl-P-Toluenesulfonate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ethyl-P-Toluenesulfonate?

Yes. Every lot of Ethyl-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 Ethyl-P-Toluenesulfonate be shipped internationally?

Yes. Ethyl-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.