CompoundList
Sign in
Phenols

4-Iodophenol

Also known as p-Iodophenol, 4-Hydroxyphenyl iodide, p-Hydroxyiodobenzene

CAS 540-38-5Formula C6H5IOMolar mass 220.01 g/molEC 208-745-5
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 28 suppliers listed
Get quotes Compare 28 suppliers
4-Iodophenol chemical structure, C6H5IO, CAS 540-38-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
540-38-5
Formula
C6H5IO
Molar mass
220.01 g/mol
EC number
208-745-5
HS code
290819
Category
Phenols

What is 4-Iodophenol?

Plain description, key identifiers and synonyms

4-iodophenol is an iodophenol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-iodophenol
CAS number
540-38-5 CAS number cross-checked
EC number
208-745-5
Molecular formula
C6H5IO
UNII
BH194BAK0B
MDL number
MFCD00002327
InChIKey
VSMDINRNYYEDRN-UHFFFAOYSA-N
InChI
InChI=1S/C6H5IO/c7-5-1-3-6(8)4-2-5/h1-4,8H
SMILES (canonical and isomeric)
C1=CC(=CC=C1O)I

Synonyms

  • p-Iodophenol
  • 4-Hydroxyphenyl iodide
  • p-Hydroxyiodobenzene
  • para-iodophenol
  • Phenol, 4-iodo-
  • Phenol, p-iodo-
  • 4-iodo-phenol
  • 4-Hydroxyiodobenzene
  • p-Jodphenol
  • IOL
  • Paraiodophenol
  • p-iodo-phenol
  • 4-iodphenol
  • para-iodo-phenol
  • 4-Jodphenol
  • 4-iodo phenol
  • 4-Iodophenol, 99%
  • 4-Iodophenol, purum, >=98.0% (GC)

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
220.01 g/molcalc.
Exact mass
219.9385 Dacalc.
LogP (octanol/water)
2calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
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
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (22)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • 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.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • 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.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • 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-Iodophenol suppliers

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

All 28 suppliers
28 of 28 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

28 suppliers in 7 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

4-Iodophenol 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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

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-Iodophenol is traded under.

HS 2908.19Indicative HS code

Derivatives containing only halogen substituents and their salts, other

World exports in 2024
$452M
−8.2% vs 2023, imports $435M
2019 to 2024
Top exporters
  1. Jordan * partner reported36.5%
  2. Israel29.6%
  3. China6.5%
Top importers
  1. China58.6%
  2. South Korea10.3%
  3. United States5.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 4-Iodophenol?

4-iodophenol is an iodophenol.

What is the CAS number of 4-Iodophenol?

The CAS registry number of 4-Iodophenol is 540-38-5.

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

The molecular formula of 4-Iodophenol is C6H5IO and its molar mass is 220.01 g/mol.

What is 4-Iodophenol used for?

Known uses and roles of 4-Iodophenol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 4-Iodophenol hazardous?

4-Iodophenol carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful in contact with skin, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 4-Iodophenol?

4-Iodophenol is usually classified under HS code 290819 (Derivatives containing only halogen substituents and their salts, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Iodophenol?

CompoundList lists 28 suppliers of 4-Iodophenol in China, United States, India, Japan and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 4-Iodophenol in India?

3 suppliers in India list 4-Iodophenol on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 4-Iodophenol?

Suppliers quote 4-Iodophenol 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-Iodophenol

Get quotes for 4-Iodophenol

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell 4-Iodophenol
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of 4-Iodophenol with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/4-iodophenol-540-38-5" title="4-Iodophenol structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Phenols or HS code 290819

28 suppliers
Free quotes, contact stays private
Get quotes