Dithiodiglycolic acid
Dithiodiglycolic acid (CAS: 505-73-7, Formula: C4H6O4S2) is a dicarboxylic acid featuring a disulfide bond. With a molecular weight of 182.22 g/mol, this compound serves as a valuable building block in organic synthesis. Its chemical structure makes it suitable for various research and development applications, particularly in areas requiring sulfur-containing organic molecules.
- IUPAC
- 2,2′-Dithiodiacetic acid
- Synonyms
- 2,2′-Dithiodiacetic acid

Organic Synthesis Intermediate
Dithiodiglycolic acid is utilised as a precursor or intermediate in the synthesis of more complex organic molecules. Its reactive carboxyl groups and disulfide linkage offer versatile points for chemical modification.
Research and Development
This compound finds application in laboratory settings for research purposes, exploring new chemical reactions and developing novel materials. It is a useful reagent for academic and industrial R&D projects.
Building Block for Specialty Chemicals
The unique structure of dithiodiglycolic acid makes it a useful building block for creating specialty chemicals with specific properties. It can be incorporated into polymers or other molecular architectures.
| Molecular weight | 182.22 |
|---|---|
| Empirical formula | C4H6O4S2 |
| Assay | ≥98% |
| Storage temperature | −20°C |

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 Dithiodiglycolic acid used for?
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Dithiodiglycolic acid is primarily used as a building block in organic synthesis and for general research and development purposes in laboratories.
What are the CAS number and formula for Dithiodiglycolic acid?
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The CAS number is 505-73-7 and the molecular formula is C4H6O4S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dithiodiglycolic acid with an assay of ≥98%. This product is intended for research and laboratory use and is not represented as USP, BP, or EP grade.
How should Dithiodiglycolic acid be handled safely?
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Dithiodiglycolic acid is a Warning compound that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask type N95 (US). Ensure good ventilation and avoid breathing dust.
Is Dithiodiglycolic acid a controlled substance?
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The provided data does not indicate that Dithiodiglycolic acid is a controlled substance.
How is Dithiodiglycolic acid packed and exported?
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Dithiodiglycolic acid is typically stored at -20°C. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and packaging and export procedures adhere to relevant regulations.
How can I request a sample or quote for Dithiodiglycolic acid?
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To request a sample or quote for Dithiodiglycolic acid, please contact our sales team through the TSS website or by phone.
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