4-Methylbenzenesulfonic anhydride

Modify Date: 2024-01-02 17:18:40

4-Methylbenzenesulfonic anhydride Structure
4-Methylbenzenesulfonic anhydride structure
Common Name 4-Methylbenzenesulfonic anhydride
CAS Number 4124-41-8 Molecular Weight 326.388
Density 1.4±0.1 g/cm3 Boiling Point 478.0±48.0 °C at 760 mmHg
Molecular Formula C14H14O5S2 Melting Point 121-127 °C(lit.)
MSDS Chinese USA Flash Point 242.9±29.6 °C
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name 4-Methylbenzenesulfonic anhydride
Synonym More Synonyms

 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

 Safety Information

Symbol GHS05
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

 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%

 Articles2

More 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...

 Synonyms

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