Pyruvonitrile
Pyruvonitrile (CAS 631-57-2), with the linear formula CH3COCN and a molecular weight of 69.06 g/mol, is a valuable organic building block. This nitrile compound is primarily utilized in chemical synthesis, serving as a key intermediate in the production of various organic molecules. Its reactive nature makes it a versatile reagent for creating more complex chemical structures, underpinning its importance in research and industrial applications. Tech Serve Solutions offers this chemical for your synthesis needs.
- IUPAC
- 2-Oxopropionitrile,Acetyl cyanide
- Synonyms
- 2-OxopropionitrileAcetyl cyanide

Organic Synthesis
Pyruvonitrile serves as a crucial building block in organic synthesis due to its reactive nitrile and carbonyl functionalities. It is employed in the construction of heterocyclic compounds and other complex organic molecules.
Chemical Intermediate
This compound functions as an intermediate in multi-step synthesis pathways, facilitating the introduction of specific functional groups or carbon frameworks into target molecules.
Research and Development
Researchers utilize Pyruvonitrile in laboratory settings for exploring novel synthetic routes and developing new chemical entities.
| Molecular weight | 69.06 |
|---|---|
| Linear formula | CH3COCN |
| Assay | 90% |
| Grade | technical |
| Boiling point | 92-93 °C(lit.) |
| Density | 0.974 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.376(lit.) |
| Storage temperature | 2-8°C |


Hazard statements
- H225Highly flammable liquid and vapour
- H301Toxic if swallowed
- H315Causes skin irritation
- H335May cause respiratory irritation
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 14 °C / 57.2 °F |
| Transport (UN / ADR) | UN 3273 3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T,N |
| Risk statements (R) | 11-23/25-37/38-51/53 |
| Safety statements (S) | 16-45-61 |
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 Pyruvonitrile used for?
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Pyruvonitrile (CAS 631-57-2) is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and formula for Pyruvonitrile?
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The CAS number for Pyruvonitrile is 631-57-2, and its linear formula is CH3COCN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyruvonitrile at a technical grade with an assay of 90%. We do not represent this product as USP, BP, or EP grade.
How should Pyruvonitrile be handled safely?
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Pyruvonitrile is a flammable liquid and vapour (H225) and is toxic if swallowed or inhaled (H301 + H331). It can cause skin irritation (H315) and respiratory irritation (H335). Handle with appropriate personal protective equipment, including gloves, eye protection, and a suitable respirator, in a well-ventilated area. Avoid ignition sources (P210).
Is Pyruvonitrile a controlled substance?
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The provided data does not indicate that Pyruvonitrile is a controlled substance.
How is Pyruvonitrile packed and shipped?
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Pyruvonitrile is packed according to safety regulations for hazardous materials, including UN 3273 classification for transport. It is exported globally by Tech Serve Solutions.
How can I request a sample or quote for Pyruvonitrile?
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To request a sample or quote for Pyruvonitrile, please contact our sales department through the TSS website or by phone.
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