Ethyl phenylcyanoacetate
Ethyl phenylcyanoacetate (CAS: 4553-07-5; Formula: C6H5CH(CN)CO2C2H5; MW: 189.21) is a valuable organic building block. This ester and carbonyl compound, characterised by its specific refractive index and boiling point, serves as a versatile intermediate in chemical synthesis. It is supplied by Tech Serve Solutions with an assay of 95%, suitable for research and industrial applications.

Organic Synthesis Intermediate
Ethyl phenylcyanoacetate is widely employed as a key intermediate in the synthesis of various organic compounds. Its reactive cyano and ester groups allow for diverse chemical transformations.
Pharmaceutical Precursor
This compound can serve as a precursor in the development of active pharmaceutical ingredients (APIs). Its structural features are amenable to modifications for drug discovery programmes.
Agrochemical Synthesis
It finds application in the synthesis pathways for certain agrochemicals. Its versatile reactivity makes it a useful component in creating complex agricultural molecules.
| Molecular weight | 189.21 |
|---|---|
| Linear formula | C6H5CH(CN)CO2C2H5 |
| Assay | 95% |
| Boiling point | 275 °C(lit.) |
| Density | 1.09 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5053(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 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
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 Ethyl phenylcyanoacetate used for?
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Ethyl phenylcyanoacetate is primarily used as an intermediate in organic synthesis, including the preparation of pharmaceuticals and agrochemicals.
What is the CAS number and chemical formula for Ethyl phenylcyanoacetate?
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The CAS number is 4553-07-5 and the chemical formula is C6H5CH(CN)CO2C2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl phenylcyanoacetate with a minimum assay of 95%. This product is intended for research and industrial use and is not represented as USP, BP, or EP grade.
How should Ethyl phenylcyanoacetate be handled safely?
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Ethyl phenylcyanoacetate is classified with Warning signal word and carries hazard statements H302, H312, H315, H319, H332, H335, indicating it is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation, and may cause respiratory irritation. Always use appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, and follow safe laboratory practices.
Is Ethyl phenylcyanoacetate a controlled substance?
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Based on the provided data, there is no indication that Ethyl phenylcyanoacetate (CAS: 4553-07-5) is a controlled substance.
How is Ethyl phenylcyanoacetate packed and exported?
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Ethyl phenylcyanoacetate is packed in accordance with industry standards for safe transport and is exported globally by Tech Serve Solutions, a specialist supplier.
How can I request a quote or sample of Ethyl phenylcyanoacetate?
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To request a quote or sample, please contact Tech Serve Solutions through our website or sales department, providing your details and the product CAS number 4553-07-5.
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