S-Acetylmercaptosuccinic anhydride
S-Acetylmercaptosuccinic anhydride (CAS 6953-60-2), with the molecular formula C6H6O4S and a molecular weight of 174.17 g/mol, is a valuable anhydride monomer. It is primarily utilised in materials science and polymer science for the synthesis of specialised polymers and materials. Its reactive anhydride group allows for various chemical modifications and incorporations into polymer backbones, contributing to unique material properties.
- IUPAC
- 2-(Acetylthio)succinic anhydride,SAMSA

Polymer Synthesis
S-Acetylmercaptosuccinic anhydride serves as a monomer in the creation of advanced polymers. Its structure enables the introduction of specific functional groups into polymer chains, influencing properties such as thermal stability and reactivity.
Materials Science Research
This compound is employed in materials science for the development of novel materials. Its utility lies in its potential to modify surfaces or create new composite materials with tailored characteristics.
Chemical Intermediate
As a versatile chemical intermediate, S-Acetylmercaptosuccinic anhydride can be used in the synthesis of more complex organic molecules, finding applications in various research and development settings.
| Molecular weight | 174.17 |
|---|---|
| Empirical formula | C6H6O4S |
| Assay | 96% |
| Storage temperature | 2-8°C |
| Melting point | 83-86 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is S-Acetylmercaptosuccinic anhydride used for?
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S-Acetylmercaptosuccinic anhydride is primarily used as a monomer in polymer synthesis and in materials science research for developing novel materials. It also functions as a chemical intermediate.
What is the CAS number and chemical formula for S-Acetylmercaptosuccinic anhydride?
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The CAS number is 6953-60-2, and the chemical formula is C6H6O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S-Acetylmercaptosuccinic anhydride with an assay of 96%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should S-Acetylmercaptosuccinic anhydride be handled?
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S-Acetylmercaptosuccinic anhydride is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). When handling, use a dust mask type N95 (US), wear eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes; remove contact lenses if present and easy to do. Continue rinsing.
How is S-Acetylmercaptosuccinic anhydride typically packed and exported?
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S-Acetylmercaptosuccinic anhydride is carefully packed to ensure stability during transport and is available for global export by Tech Serve Solutions, adhering to all necessary shipping regulations.
How can I request a quote or sample of S-Acetylmercaptosuccinic anhydride?
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To request a quote or a sample of S-Acetylmercaptosuccinic anhydride, please contact our sales team through the enquiry form on our website or by direct email.
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