Methyl-P-Toluenesulfonate

Name: Methyl-P-Toluenesulfonate
Brand: Vaqora Chemicals
SKU: VQ-010904

About Methyl-P-Toluenesulfonate

Vaqora Chemicals supplies Methyl-P-Toluenesulfonate, an organosulfur compound registered under CAS number 80-48-8. Its molecular formula is C8H10O3S and its molecular weight is 186.23 g/mol. Systematically, it is named methyl 4-methylbenzenesulfonate. Common synonyms include p-Toluenesulfonic Acid Methyl Ester and Methyl p-Methylbenzenesulfonate.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, 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.

Vaqora Chemicals supplies Methyl-P-Toluenesulfonate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl-P-Toluenesulfonate
Catalogue No.	VQ-010904
CAS Number	80-48-8
IUPAC name	methyl 4-methylbenzenesulfonate
Molecular formula	C₈H₁₀O₃S
Molecular weight	186.23 g/mol
Exact mass	186.0351
Grade	Reference Standard
InChIKey	VUQUOGPMUUJORT-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)OC
PubChem CID	6645

Physical properties
Physical form	Other
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
Synonyms	p-Toluenesulfonic Acid Methyl Ester, Methyl p-Methylbenzenesulfonate, Methyl p-Tosylate, Methyl Toluene-4-sulfonate, Methyl Toluenesulfonate, Methyl Tosylate, Toluene-4-sulfonic Acid Methyl Ester, p-Methylbenzenesulfonic Acid Methyl Ester, Methyl p-toluenesulfonate, Methyl toluene-4-sulphonate, Benzenesulfonic acid, 4-methyl-, methyl ester, p-Toluenesulfonic acid, methyl ester

Safety & hazard information (GHS)

Corrosive

Toxic

Harmful / irritant

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P262, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317

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 80-48-8

Puriss

Methyl p-toluenesulphonate, 98%

CAS: 80-48-8
Formula: C₈H₁₀O₃S
MW: 186.23 g/mol

VQ-010897

Frequently asked questions

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

The CAS Registry Number of Methyl-P-Toluenesulfonate is 80-48-8. It is also known as p-Toluenesulfonic Acid Methyl Ester, Methyl p-Methylbenzenesulfonate, Methyl p-Tosylate.

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

Methyl-P-Toluenesulfonate has the molecular formula C8H10O3S and a molecular weight of 186.23 g/mol. Its IUPAC name is methyl 4-methylbenzenesulfonate.

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

We supply Methyl-P-Toluenesulfonate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

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

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

Yes. Methyl-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.