Methyl p-toluenesulphonate, 98%

Name: Methyl p-toluenesulphonate, 98%
Brand: Vaqora Chemicals
SKU: VQ-010897

About Methyl p-toluenesulphonate, 98%

Methyl p-toluenesulphonate is an organosulfur compound (Puriss grade) carrying the CAS registry number 80-48-8 at a purity of 98%. With the molecular formula C8H10O3S, it has a molar mass of 186.23 g/mol. Systematically, it is named methyl 4-methylbenzenesulfonate. It is also known as p-Toluenesulfonic acid methyl ester or Methyl p-toluenesulfonate.

The material typically appears as a colourless to yellow liquid or solid. Reported physical data include a melting point of 25-28 °C and a density of 1.234 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Danger” with 8 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis, catalysis, dyes and pigments manufacture and polymer and resin production. It is used across pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

Available in 250 g and 1 kg packs, Methyl p-toluenesulphonate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Catalysis
Dyes & pigments manufacture
Polymer & resin production

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl p-toluenesulphonate, 98%
Catalogue No.	VQ-010897
CAS Number	80-48-8
IUPAC name	methyl 4-methylbenzenesulfonate
Molecular formula	C₈H₁₀O₃S
Molecular weight	186.23 g/mol
Exact mass	186.0351
Grade	Puriss
Purity / assay	98%
HSN code	29051900
InChIKey	VUQUOGPMUUJORT-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)OC
PubChem CID	6645

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow liquid or solid
Melting point	25-28 °C
Density	1.234 g/mL at 25 °C
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
UN number	UN 3261
Synonyms	p-Toluenesulfonic acid methyl ester, Methyl p-toluenesulfonate, Methyl tosylate, Methyl toluene-4-sulfonate, Methyl-p-toluenesulfonate, Methyl p-tosylate, Methyl toluenesulfonate, Methyl toluene-4-sulphonate, Benzenesulfonic acid, 4-methyl-, methyl ester, p-Toluenesulfonic acid, methyl ester, Methyl toluene sulfonate, p-Methylbenzenesulfonate 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

Reference Standard

Methyl-P-Toluenesulfonate

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

In stock

Frequently asked questions

What is the CAS number of Methyl p-toluenesulphonate, 98%?

The CAS Registry Number of Methyl p-toluenesulphonate, 98% is 80-48-8. It is also known as p-Toluenesulfonic acid methyl ester, Methyl p-toluenesulfonate, Methyl tosylate.

What is the molecular formula and molecular weight of Methyl p-toluenesulphonate, 98%?

Methyl p-toluenesulphonate, 98% 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-toluenesulphonate, 98% can I order?

We supply Methyl p-toluenesulphonate, 98% in Puriss (98%) grade, in 250 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl p-toluenesulphonate, 98%?

Yes. Every lot of Methyl p-toluenesulphonate, 98% 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-toluenesulphonate, 98% be shipped internationally?

Yes. Methyl p-toluenesulphonate, 98% is classified as hazardous (UN 3261), 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.