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791571

Sigma-Aldrich

Isopropyl p-toluenesulfonate

97%

Synonym(s):

Isopropyl p-tosylate

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About This Item

Empirical Formula (Hill Notation):
C10H14O3S
CAS Number:
Molecular Weight:
214.28
EC Number:
UNSPSC Code:
12352100
NACRES:
NA.22

Quality Level

Assay

97%

form

liquid

refractive index

n20/D 1.503

density

1.142 g/mL at 25 °C

storage temp.

2-8°C

InChI

1S/C10H14O3S/c1-8(2)14(11,12)13-10-6-4-9(3)5-7-10/h4-8H,1-3H3

InChI key

MUTOLSSCMLECRU-UHFFFAOYSA-N

Application

Isopropyl p-toluenesulfonate can be used as a reactant:
  • For the alkylation of amines in the presence of triethylamine.
  • For the O-alkylation of cyclic thiohydroxamic acids in the presence of tetrabutylammonium hydroxide.
  • To synthesize 3-methyl-2-phenyl-1-butanol by reacting with styrene in the presence of bromo(2-cyclohexylethyl)magnesium and zirconocene dichloride.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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J de Armas et al.
Organic letters, 3(13), 2097-2100 (2001-06-22)
[reaction: see structure] The first examples of efficient electrophilic Zr-catalyzed carbomagnesations are disclosed, where in contrast to previous catalytic carbomagnesations the alkyl moiety of the electrophile is transferred (vs that of the Grignard reagent). The identity of the Grignard reagent
Design, Synthesis and Antimicrobial Evaluation of Novel Tricyclic Benzoxazine Fluoroquinolones under Conventional and Microwave Methods
Guruswamy B, et al.
Journal of Heterocyclic Chemistry, 52, 532-538 (2015)
B Y P Tay et al.
International journal of cosmetic science, 38(6), 627-633 (2016-05-14)
Isopropyl p-toluenesulfonate (IPTS) is a potentially genotoxic by-product formed during the esterification of palm oil-based palmitic and palm kernel oil-based myristic acid with isopropanol to produce isopropyl palmitate or isopropyl myristate. There are no methods described for the analysis of
Spin trapping of alkoxyl radicals generated from 5-methyl and 5-aryl-3-alkoxy-4-methylthiazole-2 (3H)-thiones in photochemically induced and microwave-initiated reactions
Gross A, et al.
Tetrahedron, 64, 10882-10889 (2008)
Satsuki Chikura et al.
Mutation research, 811, 110-116 (2016-12-10)
As part of a collaborative study in the Mammalian Mutagenicity Study group of the Japanese Environmental Mutagen Society, we evaluated the in vivo mutagenicity of isopropyl p-toluenesulfonate (IPTS) using a peripheral blood Pig-a assay in rats. Pig-a mutant frequency (MF)

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