2-Ethylphenyl isothiocyanate
2-Ethylphenyl isothiocyanate (CAS: 19241-19-1), with the molecular formula C2H5C6H4NCS and a molecular weight of 163.24 g/mol, is a valuable organic intermediate. This sulfur-containing compound serves as a key building block in chemical synthesis. Its reactive isothiocyanate group enables versatile derivatization for the creation of diverse organic molecules, finding utility in research and development laboratories for novel compound synthesis.

Organic Synthesis Intermediate
Utilised as a fundamental building block in the synthesis of complex organic molecules. Its isothiocyanate functionality readily participates in reactions such as nucleophilic additions, forming thioureas and other sulfur-containing heterocycles.
Research and Development
Employed in academic and industrial research settings for the exploration of new chemical entities and reaction pathways. It facilitates the introduction of the 2-ethylphenyl moiety into various molecular frameworks.
Material Science Precursor
Potential applications as a precursor in the development of novel polymers or functional materials where sulfur and aromatic functionalities are desired.
| Molecular weight | 163.24 |
|---|---|
| Linear formula | C2H5C6H4NCS |
| Assay | 97% |
| Boiling point | 249-253 °C(lit.) |
| Density | 1.076 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.62(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 | 113 °C / 235.4 °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 2-Ethylphenyl isothiocyanate primarily used for?
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2-Ethylphenyl isothiocyanate (CAS: 19241-19-1) is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and molecular formula for 2-Ethylphenyl isothiocyanate?
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The CAS number for 2-Ethylphenyl isothiocyanate is 19241-19-1, and its molecular formula is C2H5C6H4NCS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethylphenyl isothiocyanate with a minimum purity of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
What are the primary safety hazards associated with this compound?
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This compound is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and potential respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be used during handling.
Is this chemical suitable for international export?
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Yes, Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, including 2-Ethylphenyl isothiocyanate, adhering to all relevant shipping regulations.
How can I request a sample or obtain a quote for 2-Ethylphenyl isothiocyanate?
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To request a sample or obtain a quote, please contact our sales department via the website or email, providing your specific requirements.
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