2-Ethoxyphenyl isocyanate
2-Ethoxyphenyl isocyanate (CAS: 5395-71-1; Formula: C2H5OC6H4NCO; MW: 163.17) is a chemical intermediate. It is utilised in organic synthesis for the introduction of the 2-ethoxyphenylcarbamoyl moiety. This compound serves as a valuable building block in the development of more complex organic molecules, finding use in research and chemical manufacturing. Its reactivity is characteristic of isocyanates, enabling a range of synthetic transformations.

Organic Synthesis Reagent
Utilised as a building block in organic synthesis, 2-Ethoxyphenyl isocyanate facilitates the creation of novel chemical structures through reactions characteristic of isocyanates. It is particularly useful for introducing the 2-ethoxyphenylcarbamoyl group.
Pharmaceutical Intermediate Development
This compound can serve as an intermediate in the synthesis of potential pharmaceutical agents. Its structural features allow for incorporation into molecules being investigated for biological activity.
Material Science Research
In material science, 2-Ethoxyphenyl isocyanate may be employed in the development of polymers or specialised materials, leveraging the reactivity of the isocyanate functional group.
| Molecular weight | 163.17 |
|---|---|
| Linear formula | C2H5OC6H4NCO |
| Assay | 98% |
| Boiling point | 119-121 °C/22 mmHg(lit.)119-121 °C/22 mmHg(lit.) |
| Density | 1.105 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.527(lit.)n20/D 1.5270(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms 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
- P342
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 102 °C / 215.6 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| 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-Ethoxyphenyl isocyanate primarily used for?
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2-Ethoxyphenyl isocyanate is primarily used as a building block in organic synthesis for introducing the 2-ethoxyphenylcarbamoyl group into molecules, and can serve as an intermediate in pharmaceutical and material science research.
What are the CAS number and formula for 2-Ethoxyphenyl isocyanate?
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The CAS number for 2-Ethoxyphenyl isocyanate is 5395-71-1, and its formula is C2H5OC6H4NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethoxyphenyl isocyanate with an assay of 98%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
What are the main hazards associated with 2-Ethoxyphenyl isocyanate?
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2-Ethoxyphenyl isocyanate is classified as Danger, with hazard statements including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Harmful if inhaled), H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled), and H335 (May cause respiratory irritation).
How is 2-Ethoxyphenyl isocyanate handled and shipped?
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Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection (e.g., full-face respirator or ABEK filter), is required when handling. As an international supplier, TSS exports this chemical with the necessary documentation and compliance for global shipping.
How can I request a sample or quote for 2-Ethoxyphenyl isocyanate?
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To request a sample or a quotation for 2-Ethoxyphenyl isocyanate, please contact our sales department through the TSS website or by phone.
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