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Nitriles, nitro and azo compounds

4-Isocyanatophenol

Also known as Phenol, 4-isocyanato-, 4-Hydroxyphenyl isocyanate, 4-isocyanato-phenol

CAS 23159-72-0Formula C7H5NO2Molar mass 135.12 g/mol
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4-Isocyanatophenol chemical structure, C7H5NO2, CAS 23159-72-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
23159-72-0
Formula
C7H5NO2
Molar mass
135.12 g/mol
HS code
292910
Category
Nitriles, nitro and azo compounds

What is 4-Isocyanatophenol?

Plain description, key identifiers and synonyms

4-Isocyanatophenol is a chemical substance with the molecular formula C7H5NO2 and a molar mass of 135.12 g/mol. Its CAS registry number is 23159-72-0.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-isocyanatophenol
CAS number
23159-72-0 CAS number cross-checked
Molecular formula
C7H5NO2
InChIKey
DYKCDKICHOCWGU-UHFFFAOYSA-N
InChI
InChI=1S/C7H5NO2/c9-5-8-6-1-3-7(10)4-2-6/h1-4,10H
SMILES (canonical and isomeric)
C1=CC(=CC=C1N=C=O)O

Synonyms

  • Phenol, 4-isocyanato-
  • 4-Hydroxyphenyl isocyanate
  • 4-isocyanato-phenol

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
135.12 g/molcalc.
Exact mass
135.032 Dacalc.
LogP (octanol/water)
1.36calc.
Topological polar surface area
49.66 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

4-Isocyanatophenol suppliers

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

No supplier listings yet

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4-Isocyanatophenol price

Indicative price range per kg from live supplier offers

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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

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 4-Isocyanatophenol is traded under.

HS 2929.10Indicative HS code

Isocyanates

World exports in 2024
$5.02B
−11.5% vs 2023, imports $4.75B
2019 to 2024
Top exporters
  1. China21.4%
  2. South Korea16.3%
  3. Germany12.4%
Top importers
  1. China7.4%
  2. India * partner reported6.3%
  3. Brazil5.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 4-Isocyanatophenol?

4-Isocyanatophenol is a chemical substance with the molecular formula C7H5NO2 and a molar mass of 135.12 g/mol. Its CAS registry number is 23159-72-0.

What is the CAS number of 4-Isocyanatophenol?

The CAS registry number of 4-Isocyanatophenol is 23159-72-0.

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

The molecular formula of 4-Isocyanatophenol is C7H5NO2 and its molar mass is 135.12 g/mol.

What is 4-Isocyanatophenol used for?

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

Is 4-Isocyanatophenol hazardous?

No GHS hazard classification for 4-Isocyanatophenol is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 4-Isocyanatophenol?

4-Isocyanatophenol is usually classified under HS code 292910 (Isocyanates). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Isocyanatophenol?

Post a free request on CompoundList and suppliers of 4-Isocyanatophenol will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Isocyanatophenol?

Suppliers quote 4-Isocyanatophenol 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-Isocyanatophenol

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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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