

share
Crotononitrile (Pract) CAS NO 4786-20-3
Unit Price:
CAS No.:4786-20-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Crotononitrile (Pract) is a highly versatile and reactive organic nitrile compound, essential as a key synthetic intermediate in fine chemical and pharmaceutical manufacturing. Its value lies in its ability to undergo a wide range of reactions, including nucleophilic additions and polymerizations, enabling the synthesis of complex molecules and specialty polymers. This product is primarily needed by R&D laboratories, agrochemical producers, and manufacturers of pharmaceuticals, dyes, and liquid crystal materials seeking a reliable building block for advanced synthesis.
Application
- Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs) and heterocyclic compounds.
- Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides, leveraging its reactivity to create complex molecular structures.
- Polymer & Resin Manufacturing: Acts as a monomer or co-monomer in the production of specialty polymers, coatings, and adhesives with enhanced properties.
- Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing carbon-nitrogen bonds and exploring new synthetic pathways.
- Dye & Pigment Production: Employed in the synthesis of organic dyes, pigments, and liquid crystal compounds due to its conjugated system.
- Chemical Crosslinking Agent: Utilized in formulations requiring crosslinking to improve the thermal and chemical resistance of final products.
Basic Information
| Product Name | Crotononitrile (Pract) |
| CAS No. | 4786-20-3 |
| Molecular Formula | C4H5N |
| Molecular Weight | 67.09 g/mol |
| Synonyms | trans-Crotononitrile; (E)-2-Butenenitrile; 2-Butenenitrile; Crotonic acid nitrile; 1-Cyano-1-propene; β-Methacrylonitrile; NSC 9377; But-2-enenitrile |
| EINECS | 225-320-2 |
Quality Control
Our Crotononitrile (Pract) is manufactured under strict quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request, supporting your quality assurance and regulatory compliance needs.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for extended stability.
Specification
| Item | Specification |
|---|---|
| Appearance | Clear, colorless to pale yellow liquid |
| Identification (IR) | Conforms |
| Assay (GC) | ≥ 97.0% |
| Water Content (KF) | ≤ 0.5% |
| Specific Gravity (20°C) | 0.823 - 0.828 |
| Refractive Index (20°C) | 1.418 - 1.422 |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


2-Pentenenitrile CAS NO 25899-50-7


Sebaconitrile CAS NO 1871-96-1


Ethylsuccinonitrile CAS NO 17611-82-4


2-Methyleneglutaronitrile CAS NO 1572-52-7


3-Aminocrotononitrile CAS NO 1118-61-2


Benzonitrile CAS NO 100-47-0


3,4-(Methylenedioxy)Phenylacetonitrile CAS NO 4439-02-5


2-Cyanopyridine CAS NO 100-70-9


3-Aminopropionitrile CAS NO 151-18-8


4-Aminophenylacetonitrile CAS NO 3544-25-0


4-Cyano-1-Cyclohexene CAS NO 100-45-8


4-Methoxybenzyl Cyanide CAS NO 104-47-2


p-Tolunitrile CAS NO 104-85-8


4-Chloro-3-Hydroxy Butyronitrile CAS NO 105-33-9


Propionitrile CAS NO 107-12-0


Glycolonitrile CAS NO 107-16-4


3-Butenenitrile CAS NO 109-75-1


Methylenaminoacetonitrile CAS NO 109-82-0


Propyl Isocyanate CAS NO 110-78-1


Valeronitrile CAS NO 110-59-8
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





