(Methylthio)acetic acid
(Methylthio)acetic acid (CAS: 2444-37-3) is a valuable organic compound with the linear formula CH3SCH2COOH and a molecular weight of 106.14 g/mol. This chemical serves as a crucial building block in organic synthesis. Its applications span various chemical research and development sectors, contributing to the creation of novel compounds and materials. Tech Serve Solutions offers this product with a high purity assay, ensuring its suitability for demanding chemical processes.
- IUPAC
- (Methylmercapto)acetic acid
- Synonyms
- (Methylmercapto)acetic acid

Organic Synthesis Intermediate
(Methylthio)acetic acid is frequently employed as a precursor in the synthesis of more complex organic molecules. Its functional groups allow for versatile reactions in the development of new chemical entities.
Research and Development
This compound is utilised in research laboratories for exploring new synthetic pathways and developing novel materials. Its properties make it an interesting reagent for academic and industrial R&D projects.
Building Block for Specialty Chemicals
As a key building block, (Methylthio)acetic acid contributes to the production of various specialty chemicals. It is valuable in creating compounds with specific thioether and carboxylic acid functionalities.
| Molecular weight | 106.14 |
|---|---|
| Linear formula | CH3SCH2COOH |
| Assay | 99% |
| Boiling point | 130-131 °C/27 mmHg(lit.) |
| Density | 1.219 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.495(lit.) |
| Melting point | 13-14 °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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3334 |
| 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 (Methylthio)acetic acid used for?
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(Methylthio)acetic acid is primarily used as an intermediate in organic synthesis and as a building block for creating more complex organic molecules and specialty chemicals in research and development settings.
What are the CAS number and chemical formula for (Methylthio)acetic acid?
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The CAS number for (Methylthio)acetic acid is 2444-37-3, and its linear chemical formula is CH3SCH2COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Methylthio)acetic acid with a minimum assay of 99%. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling (Methylthio)acetic acid?
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(Methylthio)acetic acid is classified as a warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used.
How is (Methylthio)acetic acid packed, shipped, and exported?
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Tech Serve Solutions expertly packs, handles, and exports (Methylthio)acetic acid globally, adhering to all necessary international regulations for chemical transport. Please contact us for specific shipping details.
How can I request a sample or quote for (Methylthio)acetic acid?
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To request a sample or a quote for (Methylthio)acetic acid, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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