4-Phenylbutyronitrile
4-Phenylbutyronitrile (CAS: 2046-18-6; Formula: C6H5(CH2)3CN) is a chemical compound with a molecular weight of 145.20 g/mol. This organic building block, assaying at 99% purity, is primarily utilised in chemical synthesis. Its applications include the preparation of light aliphatic nitriles and styrene derivatives. TSS supplies this chemical for research and development purposes.

Synthesis of Aliphatic Nitriles
4-Phenylbutyronitrile serves as a precursor in the synthesis of various light aliphatic nitriles. These compounds are fundamental intermediates in organic chemistry.
Styrene Derivative Preparation
This nitrile is employed in the preparation of specific styrene derivatives. These are often valuable in polymer science and material research.
Organic Building Block
As a versatile organic building block, 4-Phenylbutyronitrile can be incorporated into more complex molecular structures. Its chemical functionality makes it suitable for diverse synthetic pathways.
| Molecular weight | 145.20 |
|---|---|
| Linear formula | C6H5(CH2)3CN |
| Assay | 99% |
| Boiling point | 97-99 °C/1.7 mmHg(lit.) |
| Density | 0.973 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5143(lit.) |
| Application | 4-Phenylbutyronitrile was used in the synthesis of light aliphatic nitriles and styrene derivatives1. |

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) | 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 4-Phenylbutyronitrile used for?
+
4-Phenylbutyronitrile is used in chemical synthesis, specifically for preparing light aliphatic nitriles and styrene derivatives. It functions as a valuable organic building block.
What is the CAS number and chemical formula for 4-Phenylbutyronitrile?
+
The CAS number is 2046-18-6 and the chemical formula is C6H5(CH2)3CN.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Phenylbutyronitrile with a minimum purity of 99%. This product is supplied for research and industrial use, and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Phenylbutyronitrile be handled safely?
+
4-Phenylbutyronitrile is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be worn. Handle in a well-ventilated area and avoid dust formation. Refer to the safety data sheet for comprehensive handling information.
Is 4-Phenylbutyronitrile a controlled substance?
+
Based on the provided data, 4-Phenylbutyronitrile is not indicated as a controlled substance. However, users should always verify local regulations.
How is 4-Phenylbutyronitrile packed and exported?
+
Tech Serve Solutions securely packs and exports chemicals according to international shipping regulations. Packaging details are confirmed upon order.
How can I request a sample or quote for 4-Phenylbutyronitrile?
+
To request a sample or quote, please contact our sales department through the website or by direct inquiry, providing your specific requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis