4-(2-Aminoethyl)aniline
4-(2-Aminoethyl)aniline (CAS 13472-00-9), with the molecular formula H2NC6H4CH2CH2NH2 and a molecular weight of 136.19 g/mol, is a versatile organic building block. This diamine is primarily utilised in chemical synthesis, including polycondensation reactions and the modification of biomaterials like silk fibroin to enhance hydrophilicity and structural properties. Tech Serve Solutions supplies this compound for research and industrial applications.
- IUPAC
- 4-Aminophenethylamine
- Synonyms
- 4-Aminophenethylamine

Biomaterial Modification
Utilised in the chemical modification of silk fibroin, this compound helps tailor the hydrophilicity and structural characteristics of silk-based materials for advanced applications.
Polycondensation Reactions
Serves as a key reagent in polycondensation processes, enabling the formation of various polymers through reactions involving its amine functionalities.
Chemical Synthesis
A valuable building block in organic synthesis, its bifunctional nature allows for diverse chemical transformations and the construction of complex molecules.
| Molecular weight | 136.19 |
|---|---|
| Linear formula | H2NC6H4CH2CH2NH2 |
| Assay | 97% |
| Boiling point | 103 °C/0.3 mmHg(lit.) |
| Density | 1.034 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.591(lit.) |
| Application | 4-(2-Aminoethyl)aniline has been used in chemical modification of silk fibroin to tailor the overall hydrophilicity and structure of silk1. It has been used as reagent in polycondensation reactions2,3,4. |
| Melting point | 28-31 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3259PSN1 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 are the primary applications of 4-(2-Aminoethyl)aniline?
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4-(2-Aminoethyl)aniline is used in chemical synthesis, notably in polycondensation reactions and for tailoring the hydrophilicity and structure of silk fibroin.
What is the CAS number and molecular formula for 4-(2-Aminoethyl)aniline?
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The CAS number is 13472-00-9 and the molecular formula is H2NC6H4CH2CH2NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(2-Aminoethyl)aniline with an assay of 97%. We do not represent this product as USP, BP, or EP grade; it is supplied for technical and research purposes.
How should 4-(2-Aminoethyl)aniline be handled safely?
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This compound can cause severe skin burns and eye damage (H314). Appropriate personal protective equipment, including gloves, goggles, and face shields, must be worn. Handle in a well-ventilated area and consult the Safety Data Sheet for comprehensive safety information.
How is 4-(2-Aminoethyl)aniline packed, shipped, and exported?
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Tech Serve Solutions packs and ships chemicals according to international regulations, ensuring safe transit for domestic and export orders. Specific packaging details are available upon request.
How can I request a sample or quote for 4-(2-Aminoethyl)aniline?
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To request a sample or quote, please contact our sales team through the website or provide your details via the product inquiry form.
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