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536-57-2

Basic Information
CAS No.: 536-57-2
Name: P-TOLUENESULFINIC ACID
Article Data: 206
Molecular Structure:
Molecular Structure of 536-57-2 (P-TOLUENESULFINIC ACID)
Formula: C7H8 O2 S
Molecular Weight: 156.205
Synonyms: p-Toluenesulfinicacid (6CI,8CI);4-Methylbenzenesulfinic acid;4-Toluenesulfinic acid;p-Methylbenzenesulfinic acid;p-Methylphenylsulfinic acid;p-Tolylsulfinic acid;
EINECS: 208-638-3
Density: 1.36 g/cm3
Melting Point: 85°
Boiling Point: 340 °C at 760 mmHg
Flash Point: 159.4 °C
Appearance: White crystal
PSA: 56.51000
LogP: 2.44130
Synthetic route
824-79-3

sodium 4-methylbenzenesulfinate

536-57-2

p-toluene sulfinic acid

Conditions
ConditionsYield
With hydrogenchloride In tert-butyl methyl ether; water for 0.166667h;100%
With hydrogenchloride In tert-butyl methyl ether; water for 0.166667h;100%
With hydrogenchloride In tert-butyl methyl ether; water Inert atmosphere; Schlenk technique;97%
19350-92-6

2-p-Toluenesulfonamido-1,2,3,4-tetrahydroisoquinoline

A

536-57-2

p-toluene sulfinic acid

B

75615-02-0

5,6,8,8a,13,14,16,16a-octahydro-s-tetrazine<6,1-a:3,4-a'>diisoquinoline

Conditions
ConditionsYield
With sodium hydroxide at 80 - 90℃; for 2h;A 77%
B 99%
98-59-9

p-toluenesulfonyl chloride

536-57-2

p-toluene sulfinic acid

Conditions
ConditionsYield
With lithium amalgam In isopropyl alcohol; toluene at 23℃; for 2h;98%
With tributylstibine for 0.5h; Ambient temperature;98%
With sodium sulfite In water at 80℃; for 5h;97.79%
110-86-1

pyridine

121512-59-2

(3-Chloro-quinoxalin-2-yl)-(toluene-4-sulfonyl)-acetonitrile

A

536-57-2

p-toluene sulfinic acid

B

10176-29-1

12-cyanoindolizino<2,3-b>quinoxaline

Conditions
ConditionsYield
for 2h; Mechanism; Heating; other α-substituted 2-(3-chloro)quinoxalylacetonitrile, var. azines;A n/a
B 98%
95682-08-9

4,8-Dimethyl-2-p-tolylsulfonyl-3(Z),7-nonadienoic acid

A

536-57-2

p-toluene sulfinic acid

B

53668-11-4

(3Z)‐4,8‐dimethylnona‐3,7‐dienoic acid

Conditions
ConditionsYield
With sodium amalgam In methanol at 0℃; for 4.25h;A n/a
B 96%
108-88-3

toluene

536-57-2

p-toluene sulfinic acid

Conditions
ConditionsYield
With aluminium(III) triflate; trifluorormethanesulfonic acid; sulfur dioxide; aluminium trifluoroacetate; trifluoroacetic acid at 25℃; under 760.051 Torr; for 24h; Temperature;95%
With aluminium trichloride; sulfur dioxide Zersetzen des Reaktionsproduktes mit Wasser und Salzsaeure;
With carbon disulfide; aluminium trichloride at -10℃; Man leitet einige Minuten Chlorwasserstoff und dann zwei Stunden Schwefeldioxyd ein, giesst nach 12 Stdn. auf Eis und macht mit Soda alkalisch;
With aluminium trichloride; sulfuryl dichloride
3839-35-8

4-methylbenzenesulfonic acid n-hexylester

A

536-57-2

p-toluene sulfinic acid

B

111-27-3

hexan-1-ol

Conditions
ConditionsYield
With lithium amalgam In 1,4-dioxane; isopropyl alcohol at 23℃; for 2h;A 95%
B 95%

3-(tosylmethyl)-2,3-dihydropyrrolo[2,1-b]quinazolin-9(1H)-one

A

536-57-2

p-toluene sulfinic acid

B

98262-85-2

3-methylene-9-oxo-1,2,3,9-tetrahydropyrrolo<2,1-b>quinazoline

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In chloroform Inert atmosphere;A n/a
B 95%

A

536-57-2

p-toluene sulfinic acid

B

39869-70-0

7,7-dimethoxybicyclo<2.2.1>heptane

Conditions
ConditionsYield
With diisobutylaluminium hydride In hexane at 0℃; for 0.25h;A 90%
B 66%
25566-59-0

N-methyl-N-(2-phenethyl)-4-methylbenzenesulfonamide

A

536-57-2

p-toluene sulfinic acid

C

672-78-6

methyl p-toluene sulfinate

D

589-08-2

N-Methyl-N-phenethylamine

Conditions
ConditionsYield
With sodium tetrahydroborate; 1,5-dimethoxynaphthalene In ethanol Irradiation;A 71%
B n/a
C n/a
D 89%
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Chemistry

IUPAC Name: 4-Methylbenzenesulfinic acid
Synonyms of p-Toluenesulfinic acid (CAS NO.536-57-2) : 4-Toluenesulfinic acid ; Benzenesulfinic acid, 4-methyl-
Product Categories: Boron, Nitrile, Thio,& TM-Cpds;Benzene derivates;Organic Building Blocks;Sulfonyl Halides;Sulfur Compounds
Product Categories:Industrial/Fine Chemicals
CAS NO:536-57-2
Molecular Formula of p-Toluenesulfinic acid (CAS NO.536-57-2) :C7H8O2S
Molecular Weight of p-Toluenesulfinic acid (CAS NO.536-57-2) :156.2
Molecular Structure of p-Toluenesulfinic acid (CAS NO.536-57-2) :
EINECS: 208-638-3
Index of Refraction:1.653
Surface Tension: 71.5 dyne/cm
Density: 1.36 g/cm3
Flash Point: 159.4 °C
Enthalpy of Vaporization: 61.59 kJ/mol
Boiling Point: 340 °C at 760 mmHg
Vapour Pressure: 3.42E-05 mmHg at 25°C  

Uses

 p-Toluenesulfinic acid (CAS NO.536-57-2) is used as a curing agent for grouting material . 

Safety Profile

RTECS GZ7260000