4,4′-Azobis(4-cyanovaleric acid)
4,4′-Azobis(4-cyanovaleric acid) (CAS: 2638-94-0) is an organic compound with a molecular weight of 280.28 g/mol. This azo compound functions as a free radical initiator, finding application in the synthesis of polymers. It is supplied by Tech Serve Solutions with a purity of ≥97.0% (calculated based on dry substance) and contains approximately 15% water as a stabilizer. Store at 2-8°C for optimal stability.
- IUPAC
- 4,4′-Azobis(4-cyanopentanoic acid),ABCVA,ACVA
- Synonyms
- HOCOCH2CH2C(CH3)(CN)N=NC(CH3)(CN)CH2CH2COOH4,4′-Azobis(4-cyanopentanoic acid)ABCVAACVA
Polymer Synthesis
4,4′-Azobis(4-cyanovaleric acid) serves as a free radical initiator in polymerisation processes. It has been utilised in the preparation of polystyrene particles through the polymerisation of styrene in ethyl alcohol.
Organic Synthesis Building Block
As an organic building block, this compound can be incorporated into synthetic routes for various organic molecules. Its functional groups allow for diverse chemical transformations.
Materials Science Research
The radical-generating properties of 4,4′-Azobis(4-cyanovaleric acid) make it a valuable reagent in materials science for developing novel polymers and materials.
| Molecular weight | 280.28 |
|---|---|
| Linear formula | HOCOCH2CH2C(CH3)(CN)N=NC(CH3)(CN)CH2CH2COOH |
| Assay | ≥97.0% (calc. based on dry substance, T) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | ~15% water as stabilizer |
| Impurities tested | ≤1% water |
| Application | 4,4′-Azobis(4-cyanovaleric acid) has been used in the preparation of polystyrene particles by polymerizing styrene in ethyl alcohol1. |
| Melting point | 118-125 °C (dec.)(lit.) |
Hazard statements
- H242Heating may cause a fire
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 15-16 |
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 4,4′-Azobis(4-cyanovaleric acid) used for?
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4,4′-Azobis(4-cyanovaleric acid) is primarily used as a free radical initiator in polymerisation reactions, such as in the preparation of polystyrene particles.
What are the CAS number and chemical formula?
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The CAS number for 4,4′-Azobis(4-cyanovaleric acid) is 2638-94-0. Its linear formula is HOCOCH<sub>2</sub>CH<sub>2</sub>C(CH<sub>3</sub>)(CN)N=NC(CH<sub>3</sub>)(CN)CH<sub>2</sub>CH<sub>2</sub>COOH, and its molecular weight is 280.28 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,4′-Azobis(4-cyanovaleric acid) with an assay of ≥97.0% (calculated based on dry substance). This is a research or technical grade product and is not represented as USP, BP, or EP.
How should 4,4′-Azobis(4-cyanovaleric acid) be handled safely?
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This compound is classified under GHS02 with the signal word 'Danger' and hazard statement H242 (Heating may cause a fire). Ensure proper ventilation and use personal protective equipment including eyeshields, gloves, and appropriate respiratory protection (e.g., N100 or P3 cartridges). Store at 2-8°C. Refer to the Safety Data Sheet for detailed handling information.
Is this product controlled or regulated?
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Based on the provided data, there is no indication that 4,4′-Azobis(4-cyanovaleric acid) is a controlled or scheduled substance.
How is 4,4′-Azobis(4-cyanovaleric acid) packed and exported?
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4,4′-Azobis(4-cyanovaleric acid) is packed and exported according to international regulations for hazardous materials, indicated by its UN classification (UN 1325 4.1 / PGII). Specific packing details are available upon request.
How can I request a quote or sample?
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To request a quote or a sample of 4,4′-Azobis(4-cyanovaleric acid), please contact our sales team through the TSS website or by phone.
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