S-(Thiobenzoyl)thioglycolic acid
S-(Thiobenzoyl)thioglycolic acid (CAS: 942-91-6), with the molecular formula C6H5CS2CH2CO2H and a molecular weight of 212.29 g/mol, is a specialised organic sulfur compound. It serves as a valuable building block in chemical synthesis, particularly within organic chemistry research and development. Its unique thiocarbonyl functionality makes it a useful reagent for introducing specific structural motifs in complex molecule construction.
- IUPAC
- (Thiobenzoylthio)acetic acid,Dithiobenzoic acid carboxymethyl ester
- Synonyms
- (Thiobenzoylthio)acetic acidDithiobenzoic acid carboxymethyl ester

Organic Synthesis Intermediate
Utilised as a precursor or intermediate in the synthesis of novel organic compounds. Its structure lends itself to various chemical transformations, aiding in the development of complex molecules for research purposes.
Reagent for Sulfur-Containing Compounds
Serves as a source of sulfur in organic reactions. It is particularly useful for the preparation of molecules containing thioester or related sulfur functionalities.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic routes and discovering novel chemical entities.
| Molecular weight | 212.29 |
|---|---|
| Linear formula | C6H5CS2CH2CO2H |
| Assay | 99% |
| Solubility | acetone: soluble25 mg/mL, clear |
| Melting point | 125-127 °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 |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| 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-(Thiobenzoyl)thioglycolic acid used for?
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S-(Thiobenzoyl)thioglycolic acid is primarily used as a building block and intermediate in organic synthesis, particularly for creating sulfur-containing compounds in research and development settings.
What is the CAS number and chemical formula?
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The CAS number for S-(Thiobenzoyl)thioglycolic acid is 942-91-6, and its chemical formula is C6H5CS2CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S-(Thiobenzoyl)thioglycolic acid with an assay of 99%. This product is supplied for research and laboratory use and is not intended for human or animal consumption, nor for pharmaceutical, food, or cosmetic applications. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
What are the safety and handling considerations for this chemical?
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This compound is classified as a warning substance (GHS07). It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 US), should be used when handling. Ensure good ventilation.
How is S-(Thiobenzoyl)thioglycolic acid packed, shipped, and exported?
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S-(Thiobenzoyl)thioglycolic acid is carefully packed to maintain its integrity during transit. As a global supplier, Tech Serve Solutions expertly handles the export of this chemical, adhering to all relevant international shipping regulations.
How can I request a sample or quote for S-(Thiobenzoyl)thioglycolic acid?
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To request a sample or obtain a quote for S-(Thiobenzoyl)thioglycolic acid, please contact our sales team through the website or by phone. We will be pleased to assist with your specific requirements.
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