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Dye intermediates

2-Ethylaniline

Also known as o-Ethylaniline, Benzenamine, 2-ethyl-, o-Aminoethylbenzene

CAS 578-54-1Formula C8H11NMolar mass 121.18 g/molEC 209-424-2
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant, Serious health hazard 16 suppliers listed
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2-Ethylaniline chemical structure, C8H11N, CAS 578-54-1
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Brown liquid
Melting point
-46.5 °C
Boiling point
209.7 °C
Density
0.982 @ 20 °C
Flash point
85 °C
HS code
292142
Category
Dye intermediates
UN number
UN 2273
Illustrative photo, an IBC tote of dark liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 2-Ethylaniline?

Plain description, key identifiers and synonyms

2-ethylaniline appears as a brown liquid. Insoluble in water and less dense than water. Hence floats on water. May irritate skin, eyes and mucous membranes. Toxic by ingestion, inhalation or skin absorption.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-ethylaniline
CAS number
578-54-1 CAS number cross-checkedOther or deprecated CAS: 116267-92-6
EC number
209-424-2
Molecular formula
C8H11N
UNII
GR557N47K6
MDL number
MFCD00007751
InChIKey
MLPVBIWIRCKMJV-UHFFFAOYSA-N
InChI
InChI=1S/C8H11N/c1-2-7-5-3-4-6-8(7)9/h3-6H,2,9H2,1H3
SMILES (canonical and isomeric)
CCC1=CC=CC=C1N

Synonyms

  • o-Ethylaniline
  • Benzenamine, 2-ethyl-
  • o-Aminoethylbenzene
  • 2-Ethylbenzenamine
  • Aniline, o-ethyl-
  • Aniline, 2-ethyl-
  • 2-Ethyl aniline
  • 2-Ethylphenylamine
  • 2-ethyl-aniline
  • 2-?Ethylaniline
  • 6-ethylaniline
  • ortho-Ethylaniline
  • 2-Ethylbenzeneamine
  • 2-Ethyl-phenylamine
  • 2-amino-1-ethylbenzene
  • 2-Ethylaniline, 98%
  • (2-ethyl-phenyl)-amine
  • 4-12-00-02411 (Beilstein Handbook Reference)
  • 2-Ethylanlin,1ml, O-ethyl-anilin
  • Benzene,1-amino,2-ethyl
  • UN 2273
  • 2-Ethylaniline Solution in Methanol, 100ug/mL

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Brown liquidexp.
Melting point
-46.5 °Cexp.
Boiling point
209.7 °Cexp.
Density
0.982 @ 20 °Cexp.
Flash point
85 °Cexp.
Solubility
Soluble in alcohol and toluene, insoluble in waterexp.
Vapour pressure
0.170 mm Hgexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
121.18 g/molcalc.
Exact mass
121.0891 Dacalc.
LogP (octanol/water)
1.83calc.
Topological polar surface area
26.02 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H311 + H331Toxic in contact with skin. Toxic if inhaled.
  • H311Toxic in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H331Toxic if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (23)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2273
Transport hazard class
6.1
Packing group
III

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

2-Ethylaniline suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 16 suppliers
16 of 16 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

16 suppliers in 6 countries

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2-Ethylaniline price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Intermediate for pharmaceuticals, dyestuffs, pesticides, and other products.

Industrial uses: Dye.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2-Ethylaniline is traded under.

HS 2921.42Indicative HS code

Aniline derivatives and their salts

World exports in 2024
$495M
−2.5% vs 2023, imports $440M
2019 to 2024
Top exporters
  1. China69.8%
  2. India * partner reported19.6%
  3. Japan3.3%
Top importers
  1. Pakistan17.0%
  2. United Arab Emirates * partner reported12.7%
  3. Brazil10.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Ethylaniline is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Ethylaniline, based on the data on this page

What is 2-Ethylaniline?

2-ethylaniline appears as a brown liquid. Insoluble in water and less dense than water. Hence floats on water. May irritate skin, eyes and mucous membranes. Toxic by ingestion, inhalation or skin absorption.

What is the CAS number of 2-Ethylaniline?

The CAS registry number of 2-Ethylaniline is 578-54-1. Other or deprecated CAS numbers: 116267-92-6.

What is the molecular formula and weight of 2-Ethylaniline?

The molecular formula of 2-Ethylaniline is C8H11N and its molar mass is 121.18 g/mol.

What is 2-Ethylaniline used for?

Intermediate for pharmaceuticals, dyestuffs, pesticides, and other products. Industrial uses: Dye.

Is 2-Ethylaniline hazardous?

2-Ethylaniline carries the GHS signal word "Danger". Main hazards: harmful if swallowed, toxic in contact with skin. toxic if inhaled, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Ethylaniline?

2-Ethylaniline is usually classified under HS code 292142 (Aniline derivatives and their salts). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Ethylaniline?

CompoundList lists 16 suppliers of 2-Ethylaniline in China, India, Canada, Germany and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 2-Ethylaniline in India?

2 suppliers in India list 2-Ethylaniline on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 2-Ethylaniline?

Suppliers quote 2-Ethylaniline on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 2-Ethylaniline

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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