p-Toluene sulphonyl chloride, 98%

Name: p-Toluene sulphonyl chloride, 98%
Brand: Vaqora Chemicals
SKU: VQ-000916

About p-Toluene sulphonyl chloride, 98%

Vaqora Chemicals supplies p-Toluene sulphonyl chloride in Synthesis grade, a synthetic reagent registered under CAS number 98-59-9, specified at 98% purity. Its molecular formula is C7H7ClO2S and its molecular weight is 190.65 g/mol. Systematically, it is named 4-methylbenzenesulfonyl chloride. Alternative names: Tosyl chloride and 4-Toluenesulfonyl chloride.

The material typically appears as a white to grey solid. Reported physical data include a melting point of 65-69 °C. 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.

Typical applications include organic synthesis, reaction development, medicinal chemistry and dyes and pigments manufacture. It is used across academic and industrial research and paints and coatings.

Vaqora Chemicals supplies p-Toluene sulphonyl chloride in 500 g, 5 kg, 25 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Dyes & pigments manufacture

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Toluene sulphonyl chloride, 98%
Catalogue No.	VQ-000916
CAS Number	98-59-9
IUPAC name	4-methylbenzenesulfonyl chloride
Molecular formula	C₇H₇ClO₂S
Molecular weight	190.65 g/mol
Exact mass	189.9855
Grade	Synthesis
Purity / assay	98%
HSN code	29041090
InChIKey	YYROPELSRYBVMQ-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)Cl
PubChem CID	7397

Physical properties
Physical form	Solid
Appearance	White to grey solid
Melting point	65-69 °C
LogP (XLogP3)	3
H-bond donors / acceptors	0 / 2
TPSA	42.5 Å²
UN number	UN 3261
Synonyms	Tosyl chloride, 4-Toluenesulfonyl chloride, p-Tosyl chloride, 4-methylbenzene-1-sulfonyl chloride, p-Toluenesulphonyl chloride, p-Tolylsulfonyl chloride, p-Toluenesulfochloride, tosylchloride, p-Toluenesulfonic acid chloride, p-Methylbenzenesulfonyl chloride, para-Toluenesulfonyl chloride, 4-Tosyl chloride

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H290May be corrosive to metals
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P234, P260, P261, P264, P264 + P265, P271, P272, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P319, P321, P332 + P317, P333 + P317, P362 + P364, P363, P390, P403 + P233, P405

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 p-Toluene sulphonyl chloride, 98%?

The CAS Registry Number of p-Toluene sulphonyl chloride, 98% is 98-59-9. It is also known as Tosyl chloride, 4-Toluenesulfonyl chloride, p-Tosyl chloride.

What is the molecular formula and molecular weight of p-Toluene sulphonyl chloride, 98%?

p-Toluene sulphonyl chloride, 98% has the molecular formula C7H7ClO2S and a molecular weight of 190.65 g/mol. Its IUPAC name is 4-methylbenzenesulfonyl chloride.

Which grade and pack sizes of p-Toluene sulphonyl chloride, 98% can I order?

We supply p-Toluene sulphonyl chloride, 98% in Synthesis (98%) grade, in 500 g, 5 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Toluene sulphonyl chloride, 98%?

Yes. Every lot of p-Toluene sulphonyl chloride, 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 p-Toluene sulphonyl chloride, 98% be shipped internationally?

Yes. p-Toluene sulphonyl chloride, 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.