4-Methylbenzenesulfonic anhydride

Suppliers

Names

[ Name ]:
4-Methylbenzenesulfonic anhydride

[Synonym ]:
1,3-bis(4-methylphenyl)-1,1,3,3-tetraoxo-1λ,3λ-dithioxane
MFCD00008548
4-Toluenesulfonic anhydride
p-Toluenesulfonic Anhydride
EINECS 223-926-9
(4-methylphenyl)sulfonyl 4-methylbenzenesulfonate

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
478.0±48.0 °C at 760 mmHg

[ Melting Point ]:
121-127 °C(lit.)

[ Molecular Formula ]:
C₁₄H₁₄O₅S₂

[ Molecular Weight ]:
326.388

[ Flash Point ]:
242.9±29.6 °C

[ Exact Mass ]:
326.028259

[ PSA ]:
94.27000

[ LogP ]:
3.50

[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C

[ Index of Refraction ]:
1.583

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS05

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H314

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
C:Corrosive;

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN 2585 8/PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
8

[ HS Code ]:
2904100000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

p-Toluenesulfonic acid
4-methylbenzenesulfonic acid; 1-methylpyridine
Toluene
6-dichloromethyl-1,3,2,4,5-dioxadithiazine 2,2,4,4-tetroxide
Silver(1+) 4-methylbenzenesulfonate
Tosyl chloride
p-Toluenesulfonic acid monohydrate
bis(trifluoromethyl)diethylaminophosphane
Ethanoic anhydride

DownStream

2-Fluoroethyl 4-methylbenzenesulfonate
2,5-Dimethylphenyl(4-methylphenyl) sulfone
(R)-3-(Tosyloxymethyl)-N-Boc-piperidine
Benzene,1-methyl-4-(phenylsulfonyl)-
2-(2-hydroxyethoxy)ethyl acetate,4-methylbenzenesulfonic acid
P-TOLUENESULFONIC ACID N-OCTYL ESTER
Caprolactam
Butyl 4-methylbenzenesulfonate
Methyl p-toluenesulfonate
di-p-tolyl sulfone

Customs

[ HS Code ]: 2916399090

[ Summary ]:
2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Articles

A reagent-controlled SN2-glycosylation for the direct synthesis of β-linked 2-deoxy-sugars.

J. Am. Chem. Soc. , (2014)

The efficient and stereoselective construction of glycosidic linkages remains one of the most formidable challenges in organic chemistry. This is especially true in cases such as β-linked deoxy-sugars...

Palladium-catalyzed allylic alkenylation of allylic alcohols with n-butyl acrylate.

Chem. Commun. (Camb.) (19) , 2404-5, (2003)

Various allylic alcohols reacted with n-butyl acrylate in the presence of p-toluenesulfonic anhydride and palladium catalysts to yield the corresponding n-butyl 2,5-dienoates with high regioselectivit...

2-chloroacetic 4-methylbenzenesulfonic anhydride
(dibutyl phosphorous) 4-methylbenzenesulfonic anhydride
(O-methyl disulfuric) 4-methylbenzenesulfonic anhydride
(1r,4r)-4-isopropylcyclohexane-1-carboxylic 4-methylbenzenesulfonic anhydride
4-methylbenzenesulfonic acid,2-(2,5,5-trimethyl-1,3-dioxan-2-yl)ethanol
4-methylbenzenesulfonic acid,1-phenylmethoxyhexan-2-ol
4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
2,6-Dichloro-3-(hydrazonomethyl)pyridine
1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
(4-Methyl-tetrahydro-furan-2-yl)-methanol
N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
tert-Butyl-DL-alanine
4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide