2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid
2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid (CAS 38204-31-8), molecular formula C10H10O3S2, is a high-purity chemical supplied by Tech Serve Solutions for polymer science applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- (4-Methoxybenzothioylthio)ethanoic acid,2-[(4-Methoxyphenylthioxomethyl)thio]ethanoic acid,CTA,RAFT dithiobenzoate

| Molecular weight | 242.31 |
|---|---|
| Empirical formula | C10H10O3S2 |
| Assay | ≥97% |
| Storage temperature | 2-8°C |
| Application | RAFT agent for controlled radical polymerization; especially suited for the polymerization of methacrylate and methacrylamide monomers. Chain Transfer Agent (CTA) with electron donating group to increase fragmentation and reduce polymerization time. |
| Melting point | 122-125 °C |

Hazard statements
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43 |
| Safety statements (S) | 36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid?
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2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid (CAS 38204-31-8), molecular formula C10H10O3S2, is a high-purity chemical supplied by Tech Serve Solutions for polymer science applications, to USP, BP and EP standards.
What grades of 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid?
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2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid has CAS number 38204-31-8 and molecular formula C10H10O3S2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid be stored?
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Store 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid used for?
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2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid is used in polymer science applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 2-(4-Methoxyphenylcarbonothioylthio)ethanoic acid?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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