Mesitylenesulfonic anhydride, also known as 2,4,6-trimethylbenzenesulfonic anhydride, is a chemical compound with the molecular formula C9H12O3S. It is a white crystalline solid that is soluble in organic solvents and is commonly used as a reagent in organic synthesis. This anhydride is derived from mesitylene, a methylated benzene, and is formed by the reaction of mesitylene with concentrated sulfuric acid, followed by the removal of water to form the anhydride. Mesitylenesulfonic anhydride is particularly useful in the synthesis of sulfonic acid derivatives and other organic compounds, as it can act as a sulfonylating agent, providing a convenient way to introduce sulfonyl groups into various molecules. Its applications span across various fields, including pharmaceuticals, agrochemicals, and the synthesis of dyes and other specialty chemicals.
1939-97-5
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Basic information
- Product Name: mesitylenesulfonic anhydride
- Synonyms: mesitylenesulfonic anhydride
- CAS NO:1939-97-5
- Molecular Formula:
- Molecular Weight: 382.502
- EINECS: N/A
- Product Categories: N/A
- Mol File: 1939-97-5.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: mesitylenesulfonic anhydride(CAS DataBase Reference)
- NIST Chemistry Reference: mesitylenesulfonic anhydride(1939-97-5)
- EPA Substance Registry System: mesitylenesulfonic anhydride(1939-97-5)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 1939-97-5(Hazardous Substances Data)
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1939-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1939-97-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,3 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.Calculate Digit Verification of CAS Registry Number 1939-97:
(6*1)+(5*9)+(4*3)+(3*9)+(2*9)+(1*7)=115
115 % 10 = 5
So 1939-97-5 is a valid CAS Registry Number.
1939-97-5Upstream product
1939-97-5Downstream Products
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mesitylenesulfonic anhydride
