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Phenols

2,3,5-Trichlorophenol

Also known as Phenol, 2,3,5-trichloro-, 2,3,5-trichlorphenol, 2,3,5-Trichlorophenol 10 microg/mL in Isooctane

CAS 933-78-8Formula C6H3Cl3OMolar mass 197.45 g/molEC 213-272-2
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 5 suppliers listed
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2,3,5-Trichlorophenol chemical structure, C6H3Cl3O, CAS 933-78-8
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
62 °C
Boiling point
248 to 253
Solubility
Solubility in water: poor
HS code
290819
Category
Phenols
UN number
UN 2020
Illustrative photo, closed jumbo bulk bags in a warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 2,3,5-Trichlorophenol?

Plain description, key identifiers and synonyms

Long colorless needles or white chalky solid. (NTP, 1992)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,3,5-trichlorophenol
CAS number
933-78-8 CAS number cross-checked
EC number
213-272-2
Molecular formula
C6H3Cl3O
UNII
6T7DUC2C8B
MDL number
MFCD00002164
InChIKey
WWGQHTJIFOQAOC-UHFFFAOYSA-N
InChI
InChI=1S/C6H3Cl3O/c7-3-1-4(8)6(9)5(10)2-3/h1-2,10H
SMILES (canonical and isomeric)
C1=C(C=C(C(=C1O)Cl)Cl)Cl

Synonyms

  • Phenol, 2,3,5-trichloro-
  • 2,3,5-trichlorphenol
  • 2,3,5-Trichlorophenol 10 microg/mL in Isooctane
  • Phenol, 2,3,5-trichloro-, 2,3,5-Trichlorophenol
  • Trichlorophenol, 2,3,5-
  • 2,3,5-Trichlorophenol, analytical standard
  • 2,3,5-Trichlorophenol 100 microg/mL in Methanol
  • 2,3,5-Trichlorophenol Solution in Methanol, 1000ug/mL
  • 2,3,5-Trichlorophenol 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

Physical form
Crystalsexp.
Melting point
62 °Cexp.
Boiling point
248 to 253exp.
Solubility
Solubility in water: poorexp.

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
197.45 g/molcalc.
Exact mass
195.9249 Dacalc.
LogP (octanol/water)
3.35calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
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

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (21)
  • P261Avoid breathing 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • 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.
  • 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.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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 2020
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

2,3,5-Trichlorophenol suppliers

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Where suppliers are based

5 suppliers in 2 countries

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2,3,5-Trichlorophenol price

Indicative price range per kg from live supplier offers

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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 2,3,5-Trichlorophenol 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 2,3,5-Trichlorophenol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2,3,5-Trichlorophenol, based on the data on this page

What is 2,3,5-Trichlorophenol?

Long colorless needles or white chalky solid. (NTP, 1992)

What is the CAS number of 2,3,5-Trichlorophenol?

The CAS registry number of 2,3,5-Trichlorophenol is 933-78-8.

What is the molecular formula and weight of 2,3,5-Trichlorophenol?

The molecular formula of 2,3,5-Trichlorophenol is C6H3Cl3O and its molar mass is 197.45 g/mol.

What is 2,3,5-Trichlorophenol used for?

Known uses and roles of 2,3,5-Trichlorophenol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2,3,5-Trichlorophenol hazardous?

2,3,5-Trichlorophenol carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2,3,5-Trichlorophenol?

2,3,5-Trichlorophenol 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 2,3,5-Trichlorophenol?

CompoundList lists 5 suppliers of 2,3,5-Trichlorophenol 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 2,3,5-Trichlorophenol?

Suppliers quote 2,3,5-Trichlorophenol 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 2,3,5-Trichlorophenol

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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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