4-Aminoazobenzene
4-Aminoazobenzene (CAS: 60-09-3) is an organic compound with the formula C6H5N=NC6H4NH2 and a molecular weight of 197.24 g/mol. This azobenzene derivative is recognised for its utility as a dye and in histological staining applications. Tech Serve Solutions supplies 4-Aminoazobenzene with a purity of 98%, meeting the demands of research and specific industrial processes.
- IUPAC
- 4-Phenylazoaniline
- Synonyms
- 4-Phenylazoaniline

Histological Staining
4-Aminoazobenzene serves as a vital component in various histological staining techniques, aiding in the visualisation and differentiation of cellular structures in biological samples. Its chromophoric properties facilitate its use in preparing biological tissues for microscopic examination.
Dye and Pigment Intermediate
This compound functions as a key intermediate in the synthesis of certain azo dyes and pigments. Its chemical structure allows for further modification, leading to a range of coloured compounds used across different industries.
Cell Biology Research
In cell biology, 4-Aminoazobenzene can be employed in specific experimental protocols. Its properties may be leveraged for studies involving cellular processes or as a reagent in assays where its spectroscopic characteristics are advantageous.
| Molecular weight | 197.24 |
|---|---|
| Linear formula | C6H5N=NC6H4NH2 |
| Assay | 98% |
| Boiling point | >360 °C(lit.) |
| Melting point | 123-126 °C(lit.) |


Hazard statements
- H350May cause cancer
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| 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 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-50/53 |
| Safety statements (S) | 53-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 11000 |
|---|---|
| Absorption | λmax 386 nm |
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-Aminoazobenzene used for?
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4-Aminoazobenzene is primarily used in histological staining and as an intermediate in the synthesis of dyes and pigments. It also finds application in cell biology research.
What is the CAS number and chemical formula for 4-Aminoazobenzene?
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The CAS number for 4-Aminoazobenzene is 60-09-3, and its linear chemical formula is C6H5N=NC6H4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Aminoazobenzene with an assay of 98% purity. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should 4-Aminoazobenzene be handled safely?
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Handling 4-Aminoazobenzene requires caution due to its potential hazards. Recommended personal protective equipment includes eyeshields, gloves, and appropriate respiratory protection (e.g., N100 or P3 filters) to mitigate risks associated with inhalation and skin contact. Refer to the Safety Data Sheet for comprehensive guidance.
Is 4-Aminoazobenzene a controlled substance?
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The provided data does not indicate that 4-Aminoazobenzene is a controlled substance under standard chemical regulations. However, users should always verify local regulations.
How is 4-Aminoazobenzene packed and exported?
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4-Aminoazobenzene is packed and exported in compliance with international shipping regulations for hazardous materials, including UN 3077 classification. Specific packaging details are available upon request.
How can I request a sample or quote for 4-Aminoazobenzene?
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To request a sample or quote for 4-Aminoazobenzene, please contact our sales team through the website or by phone, providing your specific requirements.
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