2-(Methylthio)phenyl isocyanate
2-(Methylthio)phenyl isocyanate (CAS: 52260-30-7) is an organic compound with the formula CH3SC6H4NCO and a molecular weight of 165.21 g/mol. This chemical is primarily utilised as a building block in organic synthesis. Its isocyanate functional group allows for versatile reactions, making it a valuable intermediate for creating more complex molecules, particularly within pharmaceutical and chemical research sectors.

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of novel organic compounds. The reactive isocyanate group readily participates in addition reactions with nucleophiles like alcohols, amines, and thiols.
Pharmaceutical Research
Utilised in the development of potential drug candidates. Its structure can be incorporated into molecules designed to interact with biological targets.
Material Science
Potential applications in the creation of specialised polymers or functionalised materials, leveraging the reactivity of the isocyanate group for cross-linking or surface modification.
| Molecular weight | 165.21 |
|---|---|
| Linear formula | CH3SC6H4NCO |
| Assay | 97% |
| Boiling point | 126 °C/5 mmHg(lit.) |
| Density | 1.21 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.6(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 2922 8/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 23-26-36 |
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 2-(Methylthio)phenyl isocyanate used for?
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2-(Methylthio)phenyl isocyanate is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and the development of novel chemical compounds due to its reactive isocyanate functional group.
What are the CAS number and chemical formula for 2-(Methylthio)phenyl isocyanate?
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The CAS number for 2-(Methylthio)phenyl isocyanate is 52260-30-7, and its chemical formula is CH3SC6H4NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Methylthio)phenyl isocyanate with an assay of 97%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-(Methylthio)phenyl isocyanate be handled safely?
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2-(Methylthio)phenyl isocyanate is classified with GHS07 and a Warning signal word, carrying hazard statements H302, H312, H315, H319, H332, and H335. Recommended personal protective equipment includes eyeshields, faceshields, and appropriate respiratory and glove protection. Handle in a well-ventilated area.
How is 2-(Methylthio)phenyl isocyanate shipped or exported?
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2-(Methylthio)phenyl isocyanate is shipped internationally under UN 2922, Class 8/PG 2 regulations. Tech Serve Solutions is experienced in exporting chemicals globally, ensuring compliance with all relevant transport and customs requirements.
How can I request a sample or quote for 2-(Methylthio)phenyl isocyanate?
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To request a sample or a quotation for 2-(Methylthio)phenyl isocyanate, please contact our sales team through the website or by phone. Provide your contact details and the quantity required.
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