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Heterocyclic building blocks

4-Pyridineethanol

Also known as 2-(Pyridin-4-yl)ethanol, 4-(2-Hydroxyethyl)pyridine, 2-(4-Pyridyl)ethanol

CAS 5344-27-4Formula C7H9NOMolar mass 123.16 g/molEC 226-286-9
GHS signal word: Warning. Pictograms: Harmful or irritant 7 suppliers listed
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4-Pyridineethanol chemical structure, C7H9NO, CAS 5344-27-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5344-27-4
Formula
C7H9NO
Molar mass
123.16 g/mol
Physical form
Liquid
HS code
293339
Category
Heterocyclic building blocks
Illustrative photo, closed blue steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is 4-Pyridineethanol?

Plain description, key identifiers and synonyms

4-Pyridineethanol is a chemical substance with the molecular formula C7H9NO and a molar mass of 123.16 g/mol. Its CAS registry number is 5344-27-4. The IUPAC name is 2-pyridin-4-ylethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-pyridin-4-ylethanol
CAS number
5344-27-4 CAS number cross-checked
EC number
226-286-9
Molecular formula
C7H9NO
UNII
I89RDQ5YD9
MDL number
MFCD00129038
InChIKey
DWPYQDGDWBKJQL-UHFFFAOYSA-N
InChI
InChI=1S/C7H9NO/c9-6-3-7-1-4-8-5-2-7/h1-2,4-5,9H,3,6H2
SMILES (canonical and isomeric)
C1=CN=CC=C1CCO

Synonyms

  • 2-(Pyridin-4-yl)ethanol
  • 4-(2-Hydroxyethyl)pyridine
  • 2-(4-Pyridyl)ethanol
  • 4-Ethanolpyridine
  • 2-(4-pyridinyl)ethanol
  • 2-(gamma-Pyridyl)ethanol
  • 4-(beta-Hydroxyethyl)pyridine
  • 5-21-02-00218 (Beilstein Handbook Reference)
  • 2-(4-Pyridyl)-1-ethanol
  • 2-(Pyridin-4-Yl)Ethan-1-Ol
  • 2-pyridin-4-ylethanol
  • 2-pyridin-4-yl-ethanol
  • pyridine-4-ethanol
  • 4-(2-Hydroxyethyl) pyridine
  • 4-hydroxyethylpyridine
  • 4-(2-hydroxyethyl)-pyridine
  • 4,5-Dimethoxy-6-(2-prope
  • 4-(2-hydroxyeth-1-yl)pyridine
  • pyridine, 4-(2-hydroxyethyl)-

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

Physical form
Liquidexp.

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
123.16 g/molcalc.
Exact mass
123.0684 Dacalc.
LogP (octanol/water)
0.62calc.
Topological polar surface area
33.12 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.29calc.
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, c1ccncc1

c1ccncc1

1 ring, 6 atoms, the Pyridine ring system.

118,162 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • 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.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • 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.

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

4-Pyridineethanol suppliers

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

All 7 suppliers
7 of 7 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

7 suppliers in 2 countries

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4-Pyridineethanol price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Intermediate.

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 4-Pyridineethanol is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

The HS code shown for 4-Pyridineethanol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Pyridineethanol, based on the data on this page

What is 4-Pyridineethanol?

4-Pyridineethanol is a chemical substance with the molecular formula C7H9NO and a molar mass of 123.16 g/mol. Its CAS registry number is 5344-27-4. The IUPAC name is 2-pyridin-4-ylethanol.

What is the CAS number of 4-Pyridineethanol?

The CAS registry number of 4-Pyridineethanol is 5344-27-4.

What is the molecular formula and weight of 4-Pyridineethanol?

The molecular formula of 4-Pyridineethanol is C7H9NO and its molar mass is 123.16 g/mol.

What is 4-Pyridineethanol used for?

Industrial uses: Intermediate.

Is 4-Pyridineethanol hazardous?

4-Pyridineethanol carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 4-Pyridineethanol?

4-Pyridineethanol is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Pyridineethanol?

CompoundList lists 7 suppliers of 4-Pyridineethanol in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Pyridineethanol?

Suppliers quote 4-Pyridineethanol 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 4-Pyridineethanol

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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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