Ethanesulfonic anhydride, also known as methanesulfonic anhydride, is a chemical compound with the formula (CH3SO)2O. It is a strong acylating agent known for its ability to convert primary and secondary alcohols into their corresponding esters under mild conditions. It is also used as a reagent in the acylation of amines and phenols and as a catalyst in esterification and ester cleavage reactions.
13223-06-8
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Basic information
- Product Name: ethanesulfonic anhydride
- Synonyms: ethanesulfonic anhydride
- CAS NO:13223-06-8
- Molecular Formula: C4H10O5S2
- Molecular Weight: 202.2492
- EINECS: N/A
- Product Categories: N/A
- Mol File: 13223-06-8.mol
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Chemical Properties
- Melting Point: 35.0-45.0 °C
- Boiling Point: 111-112 °C(Press: 2 Torr)
- Flash Point: N/A
- Appearance: /
- Density: 1.414±0.06 g/cm3(Predicted)
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: ethanesulfonic anhydride(CAS DataBase Reference)
- NIST Chemistry Reference: ethanesulfonic anhydride(13223-06-8)
- EPA Substance Registry System: ethanesulfonic anhydride(13223-06-8)
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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: 13223-06-8(Hazardous Substances Data)
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13223-06-8 Usage
Uses
Used in Organic Synthesis:Ethanesulfonic anhydride is used as a reagent for the conversion of alcohols into esters, which is crucial in the synthesis of various organic compounds. Its strong acylating properties make it a valuable tool in this process.
Used in Acylation of Amines and Phenols:
Ethanesulfonic anhydride is used as an acylating agent in the modification of amines and phenols, which is important for the synthesis of a wide range of organic compounds and pharmaceuticals.
Used as a Catalyst in Esterification and Ester Cleavage Reactions:
Ethanesulfonic anhydride is utilized as a catalyst to facilitate esterification and ester cleavage reactions, enhancing the efficiency and selectivity of these processes in organic synthesis and industrial applications.
Check Digit Verification of cas no
The CAS Registry Mumber 13223-06-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,2 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.Calculate Digit Verification of CAS Registry Number 13223-06:
(7*1)+(6*3)+(5*2)+(4*2)+(3*3)+(2*0)+(1*6)=58
58 % 10 = 8
So 13223-06-8 is a valid CAS Registry Number.
13223-06-8Upstream product
13223-06-8Downstream Products
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ethanesulfonic anhydride
