2-Ethylaniline
2-Ethylaniline (CAS 578-54-1), with the chemical formula C2H5C6H4NH2 and a molecular weight of 121.18 g/mol, is a valuable organic compound. As an aromatic amine, it serves as a key intermediate and building block in various chemical syntheses. Its properties make it suitable for applications in dye manufacturing, agricultural chemicals, and the development of specialised organic compounds.

Organic Synthesis Intermediate
2-Ethylaniline is widely employed as a foundational building block in complex organic syntheses. It is instrumental in the creation of diverse chemical entities for research and industrial applications.
Dye and Pigment Production
This compound can be utilised in the synthesis of certain dyes and pigments. Its aromatic amine structure allows for diazotisation and coupling reactions, leading to coloured compounds.
Agricultural Chemical Synthesis
2-Ethylaniline serves as a precursor in the development of specific agrochemicals. Its structure is amenable to modifications that yield compounds with potential pesticidal or herbicidal activity.
Pharmaceutical Intermediates
The chemical can act as an intermediate in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its functional groups allow for further chemical transformations essential in drug discovery.
| Molecular weight | 121.18 |
|---|---|
| Linear formula | C2H5C6H4NH2 |
| Assay | 98% |
| Boiling point | 210 °C(lit.) |
| Density | 0.983 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.559(lit.) |
| Vapour pressure | 0.11 mmHg (20 °C) |
| Melting point | −44 °C(lit.) |
| Vapour density | 4.2 (vs air) |


Hazard statements
- H311Toxic in contact with skin
- H373May cause damage to organs through prolonged exposure
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 93 °C / 199.4 °F |
| Transport (UN / ADR) | UN 2273 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-33 |
| Safety statements (S) | 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 is 2-Ethylaniline used for?
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2-Ethylaniline is primarily used as an intermediate and building block in organic synthesis, with applications in the production of dyes, agricultural chemicals, and potentially pharmaceutical compounds.
What is the CAS number and chemical formula for 2-Ethylaniline?
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The CAS number for 2-Ethylaniline is 578-54-1, and its chemical formula is C2H5C6H4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethylaniline with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated otherwise.
How should 2-Ethylaniline be handled safely?
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2-Ethylaniline is a hazardous substance. Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a suitable respirator. It is toxic if swallowed, in contact with skin, or if inhaled, and may cause damage to organs through prolonged or repeated exposure (H311 + H331-H373). Ensure adequate ventilation.
How is 2-Ethylaniline packed and shipped?
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2-Ethylaniline is packed in compliance with UN 2273 regulations for transport. TSS ensures secure packaging suitable for global export of chemical products.
How can I request a quote or sample for 2-Ethylaniline?
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To request a quote or sample, please contact our sales team through the website or by calling our dedicated line, providing the product name and CAS number (578-54-1).
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