4-Methylbenzenesulfonic anhydride

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Names

[ CAS No. ]:
4124-41-8

[ 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...


More Articles

Related Compounds

  • 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
  • 2-{[4-amino-5-(3,4-dimethoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-chlorophenyl)acetamide
  • 2-{[4-amino-5-(3,4-dimethoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(3-chlorophenyl)acetamide
  • 2-[4-amino-5-(3,4-dimethoxyphenyl)(1,2,4-triazol-3-ylthio)]-N-naphthylacetamid e
  • 2-[4-amino-5-(3,4-dimethoxyphenyl)(1,2,4-triazol-3-ylthio)]-N-(2-bromophenyl)a cetamide
  • N-(4-amino-6-{[4-(3-methoxyphenyl)piperazino]methyl}-1,3,5-triazin-2-yl)-N-(4-chlorophenyl)amine
  • 4-(3,4-dihydroquinolin-1(2H)-yl)-6-{[4-(2-methoxyphenyl)piperazin-1-yl]methyl}-1,3,5-triazin-2-amine
  • N-(4-amino-6-{[4-(3-methoxyphenyl)piperazino]methyl}-1,3,5-triazin-2-yl)-N-(2,3-dihydro-1,4-benzodioxin-6-yl)amine
  • N-(4-amino-6-{[4-(4-methoxyphenyl)piperazino]methyl}-1,3,5-triazin-2-yl)-N-(2,3-dihydro-1,4-benzodioxin-6-yl)amine
  • 6-{[4-(3-chlorophenyl)piperazin-1-yl]methyl}-N-(3-methoxyphenyl)-1,3,5-triazine-2,4-diamine
  • 6-{[4-(3-chlorophenyl)piperazin-1-yl]methyl}-N-(4-methoxyphenyl)-1,3,5-triazine-2,4-diamine
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