3,4-Difluorophenylacetonitrile
3,4-Difluorophenylacetonitrile (CAS 658-99-1) is an organic compound with the linear formula F2C6H3CH2CN and a molecular weight of 153.13 g/mol. This fluorinated building block serves as a valuable intermediate in chemical synthesis. Its structure, featuring a difluorinated phenyl ring and a nitrile group, makes it suitable for incorporation into more complex organic molecules, particularly within the pharmaceutical and agrochemical industries. Tech Serve Solutions supplies this compound at a 98% assay.
- Synonyms
- F2C6H3CH2CN

Chemical Synthesis Intermediate
3,4-Difluorophenylacetonitrile is employed as a versatile building block in organic synthesis. Its reactive nitrile group and difluorinated aromatic ring allow for diverse chemical transformations.
Fluorinated Organic Compounds
This compound is a key intermediate for the preparation of various fluorinated organic molecules. The presence of fluorine atoms can significantly influence the properties of the final products, such as increased metabolic stability or altered lipophilicity.
Pharmaceutical and Agrochemical Research
Its structural features make 3,4-Difluorophenylacetonitrile relevant in the research and development of new pharmaceuticals and agrochemicals, where fluorinated motifs are often sought after for their unique biological activities.
| Molecular weight | 153.13 |
|---|---|
| Linear formula | F2C6H3CH2CN |
| Assay | 98% |
| Density | 1.244 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4844(lit.) |
| Application | 3,4-Difluorophenylacetonitrile may be used in chemical synthesis. |

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) | 26-36 |
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 3,4-Difluorophenylacetonitrile used for?
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3,4-Difluorophenylacetonitrile is primarily used as an intermediate in chemical synthesis, particularly for the creation of more complex fluorinated organic molecules relevant to pharmaceutical and agrochemical research.
What is the CAS number and molecular formula for 3,4-Difluorophenylacetonitrile?
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The CAS number for 3,4-Difluorophenylacetonitrile is 658-99-1, and its linear formula is F2C6H3CH2CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Difluorophenylacetonitrile with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main hazards associated with 3,4-Difluorophenylacetonitrile?
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3,4-Difluorophenylacetonitrile is classified with Warning signal word and carries 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), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including safety goggles and gloves, should be used during handling.
How is 3,4-Difluorophenylacetonitrile typically packed and shipped?
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3,4-Difluorophenylacetonitrile is packed and shipped according to standard chemical handling and transportation regulations to ensure safe delivery to our global customers.
How can I request a sample or a quote for 3,4-Difluorophenylacetonitrile?
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To request a sample or a quote for 3,4-Difluorophenylacetonitrile, please contact our sales team through the website or by phone.
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