Skip to Content
Merck
All Photos(4)

Key Documents

View All Documentation

Safety Information

T35955

Sigma-Aldrich

p-Toluenesulfonyl chloride

reagent grade, ≥98%

Synonym(s):

Tosyl chloride

Sign Into View Organizational & Contract Pricing
All Photos(4)

About This Item

Linear Formula:
CH3C6H4SO2Cl
CAS Number:
98-59-9
Molecular Weight:
190.65
Beilstein:
607898
EC Number:
202-684-8
MDL number:
MFCD00007450
UNSPSC Code:
12352100
PubChem Substance ID:
57654666
NACRES:
NA.21

grade

reagent grade

Quality Level

200

vapor pressure

1 mmHg ( 88 °C)

Assay

≥98%

bp

134 °C/10 mmHg (lit.)

mp

65-69 °C (lit.)

SMILES string

Cc1ccc(cc1)S(Cl)(=O)=O

InChI

1S/C7H7ClO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3

InChI key

YYROPELSRYBVMQ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

p-toluenesulfonyl chloride may be used along with N-methylimidazole for the esterification or thioesterification of carboxylic acids and alcohols or thiols. It may also be used as a chlorine source for α-chlorination of ketones in the presence of lithium diisopropylamide.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H290,H315,H317,H318

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Irrit. 2 - Skin Sens. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

262.4 °F - closed cup

Flash Point(C)

128 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

T35955-3KG:
T35955-BULK:
T35955-1KG:
T35955-VAR:
T35955-250G:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL3037
BCCL9805
BCCK3676
BCCJ4755
BCCJ4756

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 2

1 of 2

β-Citronellol 95%

Sigma-Aldrich

C83201

β-Citronellol

Triethylamine BioUltra, ≥99.5% (GC)

Sigma-Aldrich

90335

Triethylamine

Salvatore Lombardo et al.
Langmuir : the ACS journal of surfaces and colloids, 33(22), 5473-5481 (2017-05-13)
The interaction of bovine serum albumin (BSA) with sulfated, carboxylated, and pyridinium-grafted cellulose nanocrystals (CNCs) was studied as a function of the degree of substitution by determining the adsorption isotherm and by directly measuring the thermodynamics of interaction. The adsorption
Maxim V Khrolenko et al.
Journal of chromatography. A, 1093(1-2), 111-117 (2005-10-20)
The application of supported-liquid membrane (SLM) technique for effective extraction of N-(phosphonomethyl)glycine (glyphosate) and its primary metabolite aminomethylphosphonic acid (AMPA) from juices (orange, grapefruit, apple and blackcurrant) in combination with HPLC-UV detection after derivatization with p-toluenesulphonyl chloride (TsCl) is presented.
α-Chlorination of ketones using p-toluenesulfonyl chloride.
Brummond KM and Gesenberg KD.
Tetrahedron Letters, 40(12), 2231-2234 (1999)
Katarzyna Dziarkowska et al.
Analytica chimica acta, 606(2), 184-193 (2007-12-18)
Determination of polyamines in biological fluids possesses medical diagnostic relevance. Despite the vast panel of analytical methods developed for polyamines they are not applied in routine clinical usage, mainly due to the time and labor consuming sample preparation step and
Rince Wong et al.
The Journal of organic chemistry, 72(10), 3969-3971 (2007-04-21)
A facile and general protocol for the preparation of isothiocyanates from alkyl and aryl amines is reported. This method relies on a tosyl chloride mediated decomposition of a dithiocarbamate salt that is generated in situ by treatment of an amine
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service