3-Hydroxypropionitrile
3-Hydroxypropionitrile (CAS: 109-78-4), with the linear formula HOCH2CH2CN and a molecular weight of 71.08 g/mol, is a valuable organic building block. This compound functions as a precursor in chemical synthesis, particularly within the C1 to C5 and nitrile categories. It serves as an intermediate for various chemical processes, contributing to the development of more complex molecules. Its utility is found across diverse sectors requiring precise chemical transformations.
- IUPAC
- 2-Cyanoethanol,Ethylene cyanohydrin,Hydracrylonitrile
- Synonyms
- 2-CyanoethanolEthylene cyanohydrinHydracrylonitrile

Chemical Synthesis Intermediate
3-Hydroxypropionitrile acts as a versatile intermediate in organic synthesis. Its bifunctional nature, possessing both hydroxyl and nitrile groups, allows for diverse chemical modifications and incorporation into larger molecular structures.
Precursor for Specialty Chemicals
This compound is employed in the synthesis of various specialty chemicals. The nitrile and alcohol functionalities enable reactions leading to pharmaceuticals, agrochemicals, and material science applications.
Building Block for Heterocycles
The structure of 3-Hydroxypropionitrile makes it a suitable starting material for the construction of nitrogen-containing heterocyclic compounds, which are prevalent in medicinal chemistry and material science.
| Molecular weight | 71.08 |
|---|---|
| Linear formula | HOCH2CH2CN |
| Assay | 96% |
| Grade | puriss. |
| Boiling point | 228 °C(lit.) |
| Density | 1.04 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.425(lit.) |
| Melting point | −46 °C(lit.) |
| Vapour pressure | <0.1 mmHg (20 °C) |
| Vapour density | 2.5 (vs air) |
| Autoignition temp | 922 °F |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, 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) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 12.1 % |
|---|
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-Hydroxypropionitrile used for?
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3-Hydroxypropionitrile is primarily used as a versatile intermediate and building block in organic chemical synthesis for creating specialty chemicals, pharmaceuticals, and heterocyclic compounds.
What is the CAS number and chemical formula for 3-Hydroxypropionitrile?
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The CAS number for 3-Hydroxypropionitrile is 109-78-4, and its linear chemical formula is HOCH2CH2CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Hydroxypropionitrile with a minimum assay of 96% in puriss. grade. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 3-Hydroxypropionitrile be handled safely?
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Handling 3-Hydroxypropionitrile requires appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, due to its potential to cause skin irritation, serious eye irritation, and respiratory tract irritation (H315-H319-H335).
How is 3-Hydroxypropionitrile packed, shipped, and exported?
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Tech Serve Solutions offers 3-Hydroxypropionitrile for global export, ensuring appropriate packaging and documentation for safe and compliant international shipment.
How can I request a quote or sample of 3-Hydroxypropionitrile?
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To request a quote or sample of 3-Hydroxypropionitrile, please contact our sales team via the website or directly by phone, providing your specific requirements.
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