1,2-Oxathiolan-5-one,2,2-dioxide

Modify Date: 2026-06-30 16:18:00

1,2-Oxathiolan-5-one,2,2-dioxide Structure
1,2-Oxathiolan-5-one,2,2-dioxide structure
Common Name 1,2-Oxathiolan-5-one,2,2-dioxide
CAS Number 5961-88-6 Molecular Weight 136.12600
Density 1.643g/cm3 Boiling Point 247.9ºC at 760 mmHg
Molecular Formula C3H4O4S Melting Point N/A
MSDS N/A Flash Point 103.8ºC

Summary: 2,2-Dioxooxathiolan-5-one (Chinese name: 磺基丙酸酐) has a CAS number of 5961-88-6, with a molecular formula of C3H4O4S and a molecular weight of 136.13. The boiling point is 247.9°C at 760 mmHg and the density is 1.643 g/cm3. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2,2-dioxooxathiolan-5-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.643g/cm3
Boiling Point 247.9ºC at 760 mmHg
Molecular Formula C3H4O4S
Molecular Weight 136.12600
Flash Point 103.8ºC
Exact Mass 135.98300
PSA 68.82000
LogP 0.34390
Index of Refraction 1.504
InChIKey RVLHNHNPUBWSEE-UHFFFAOYSA-N
SMILES O=C1CCS(=O)(=O)O1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2930909090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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1,2-Oxathiolan-5-one,2,2-dioxide Structure

1,2-Oxathiolan-...

CAS#:5961-88-6

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Literature: AstraZeneca AB Patent: US6734184 B1, 2004 ; Location in patent: Page/Page column 23 ; US 6734184 B1

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1,2-Oxathiolan-5-one,2,2-dioxide Structure

1,2-Oxathiolan-...

CAS#:5961-88-6

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Literature: Polyakova, Svetlana M.; Belov, Vladimir N.; Bossi, Mariano L.; Hell, Stefan W. European Journal of Organic Chemistry, 2011 , # 18 p. 3301 - 3312

~59%

1,2-Oxathiolan-5-one,2,2-dioxide Structure

1,2-Oxathiolan-...

CAS#:5961-88-6

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Literature: Lourenco, Nuno M. T.; Monteiro, Carlos M.; Afonso, Carlos A. M. European Journal of Organic Chemistry, 2010 , # 36 p. 6938 - 6943

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1,2-Oxathiolan-5-one,2,2-dioxide Structure

1,2-Oxathiolan-...

CAS#:5961-88-6

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Literature: Kharasch; Chao; Brown Journal of the American Chemical Society, 1940 , vol. 62, p. 2396

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1,2-Oxathiolan-5-one,2,2-dioxide Structure

1,2-Oxathiolan-...

CAS#:5961-88-6

Learn More
Literature: Kharasch; Brown Journal of the American Chemical Society, 1940 , vol. 62, p. 928 Full Text Show Details Du Pont de Nemours and Co. Patent: US2383320 , 1940 ;

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  2

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 1,2-Oxathiolan-5-one,2,2-dioxideBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: HIV Cellular Data
Source: NIAID
Target: N/A
External Id: HIV Cellular Data
Total 1, Current Page 1 of 1
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Sulfopropionic anhydride
Sulfopropionic acid anhydride
1,2-oxathiolane-5-one 2-dioxide
Sulfopropanoic anhydride
3-sulfo-propionic acid-anhydride
3-Sulfopropionic acid cyclic anhydride
3-Sulfo-propionsaeure-anhydrid
3-Sulfopropionic anhydride
1,2-Oxathiolan-5-one 2,2-dioxide

 1,2-Oxathiolan-5-one,2,2-dioxide | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What English synonyms does 2,2-dioxooxathiolan-5-one have?
A: English synonyms of 2,2-dioxooxathiolan-5-one: Sulfopropionic anhydride, Sulfopropionic acid anhydride, 1,2-oxathiolane-5-one 2-dioxide, Sulfopropanoic anhydride, 3-sulfo-propionic acid-anhydride, 3-Sulfopropionic acid cyclic anhydride, 3-Sulfo-propionsaeure-anhydrid, 3-Sulfopropionic anhydride, 1,2-Oxathiolan-5-one 2,2-dioxide.
Q: What are the upstream materials of 2,2-dioxooxathiolan-5-one?
A: Related upstream materials(CAS) of 2,2-dioxooxathiolan-5-one: 107-96-0;44826-45-1;7719-09-7.
Q: What is the molecular formula of 2,2-dioxooxathiolan-5-one?
A: Molecular formula of 2,2-dioxooxathiolan-5-one is C3H4O4S.
Q: What is the boiling point of 2,2-dioxooxathiolan-5-one?
A: Boiling point of 2,2-dioxooxathiolan-5-one is 247.9ºC at 760 mmHg.
Q: What is the LogP of 2,2-dioxooxathiolan-5-one?
A: LogP of 2,2-dioxooxathiolan-5-one is 0.34390.
Q: What is the InChIKey of 2,2-dioxooxathiolan-5-one?
A: InChIKey of 2,2-dioxooxathiolan-5-one is RVLHNHNPUBWSEE-UHFFFAOYSA-N.
Q: What is the English name of 2,2-dioxooxathiolan-5-one?
A: The English name of 2,2-dioxooxathiolan-5-one is 2,2-dioxooxathiolan-5-one.
Q: What is the molecular weight of 2,2-dioxooxathiolan-5-one?
A: Molecular weight of 2,2-dioxooxathiolan-5-one is 136.12600.
Q: What is the CAS number of 2,2-dioxooxathiolan-5-one?
A: CAS number of 2,2-dioxooxathiolan-5-one is 5961-88-6.
Q: What is the SMILES notation of 2,2-dioxooxathiolan-5-one?
A: SMILES notation of 2,2-dioxooxathiolan-5-one is O=C1CCS(=O)(=O)O1.

 1,2-Oxathiolan-5-one,2,2-dioxidefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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