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T35955

Sigma-Aldrich

p-Toluenesulfonyl chloride

reagent grade, ≥98%

Sinónimos:

Tosyl chloride

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About This Item

Fórmula lineal:
CH3C6H4SO2Cl
Número de CAS:
98-59-9
Peso molecular:
190.65
Beilstein/REAXYS Number:
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

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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

signalword

Danger

Hazard Classifications

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

262.4 °F - closed cup

flash_point_c

128 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
BCCG7732
BCCG6166
WXBD5215V
WXBD4449V
WXBD3133V

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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
I M Kung et al.
Biomaterials, 16(8), 649-655 (1995-05-01)
Three different surface modifications were conducted on the membranes of double-layer alginate/poly(L-lysine) microcapsules with tosyl chloride-activated poly(ethylene glycol), cyanuric chloride-activated poly(ethylene glycol) and tosyl chloride-activated poly(vinyl alcohol), separately. All these surface modifications strengthen the microcapsular membranes. Of the three surface-modified
Simple, Mild, and Practical esterification, Thioesterification, and amide formation utilizing p-toluenesulfonyl chloride and N-Methylimidazole.
Wakasugi K, et al.
Advanced Synthesis & Catalysis, 345(11), 1209-1214 (2003)
Y Tabata et al.
Biomaterials, 7(3), 234-238 (1986-05-01)
The cyanogen bromide (CNBr) activation method was adopted to link collagen molecules onto the surface of cellulose and poly(vinyl alcohol) (PVA) films via covalent bonding. The amount of bound protein was determined by the ninhydrin method and found to be
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
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