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Skin conditioning agents and actives

2-Isopropylthioxanthone

Also known as 2-Isopropyl-9H-thioxanthen-9-one, 2-(propan-2-yl)-9H-thioxanthen-9-one, 9H-Thioxanthen-9-one, 2-(1-methylethyl)-

CAS 5495-84-1Formula C16H14OSMolar mass 254.35 g/molEC 226-827-9
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 22 suppliers listed
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2-Isopropylthioxanthone chemical structure, C16H14OS, CAS 5495-84-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5495-84-1
Formula
C16H14OS
Molar mass
254.35 g/mol
Physical form
Crystals
HS code
293499
Category
Skin conditioning agents and actives
Illustrative photo, 25 kg white woven sacks of powder on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 2-Isopropylthioxanthone?

Plain description, key identifiers and synonyms

2-Isopropylthioxanthone is a chemical substance with the molecular formula C16H14OS and a molar mass of 254.35 g/mol. Its CAS registry number is 5495-84-1. The IUPAC name is 2-propan-2-ylthioxanthen-9-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-propan-2-ylthioxanthen-9-one
CAS number
5495-84-1 CAS number cross-checkedOther or deprecated CAS: 54958-41-7
EC number
226-827-9
Molecular formula
C16H14OS
UNII
54KUS6SE2T
MDL number
MFCD00055658
INCI name
ISOPROPYL THIOXANTHONE
InChIKey
KTALPKYXQZGAEG-UHFFFAOYSA-N
InChI
InChI=1S/C16H14OS/c1-10(2)11-7-8-15-13(9-11)16(17)12-5-3-4-6-14(12)18-15/h3-10H,1-2H3
SMILES (canonical and isomeric)
CC(C)C1=CC2=C(C=C1)SC3=CC=CC=C3C2=O

Synonyms

  • 2-Isopropyl-9H-thioxanthen-9-one
  • 2-(propan-2-yl)-9H-thioxanthen-9-one
  • 9H-Thioxanthen-9-one, 2-(1-methylethyl)-
  • Isopropyl thioxanthone
  • PL-ITX
  • 2-Isopropyl Thioxanthone
  • 2-Isopropyltioxanthone
  • 2-propan-2-ylthioxanthen-9-one
  • 2-Isopropylthioxanthen-9-one
  • Quantacure itx
  • Speedcure ITX
  • 2-Isopropylthioxanthone (2-ITX)
  • 2-Isopropylthioxantone
  • 2-Isoropylthioxanthone
  • 2-(1-Methylethyl)-9H-thioxanthen-9-one
  • 2-IsopropylthioxanthoneITX
  • 2-Isopropylthioxanthone (ITX)
  • Ktalpkyxqzgaeg-uhfffaoysa-
  • 9H-Thioxanthen-9-one, 2-isopropyl
  • 2-Isopropyl-9H-thioxanthen-9-one #
  • 2-(methylethyl)dibenzo[b,e]thiin-10-one
  • 2-Isopropylthioxanthone, analytical standard
  • 2-Isopropylthioxanthone 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.

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
254.35 g/molcalc.
Exact mass
254.0765 Dacalc.
LogP (octanol/water)
4.54calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.19calc.
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, O=c1c2ccccc2sc2ccccc12

O=c1c2ccccc2sc2ccccc12

3 rings, 15 atoms, the Thioxanthone ring system.

254 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
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H361Suspected of damaging fertility or the unborn child.
  • H361fSuspected of damaging fertility.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (11)
  • P203Obtain, read and follow all safety instructions before use.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P330Rinse mouth.
  • P391Collect spillage.
  • 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

2-Isopropylthioxanthone suppliers

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

All 22 suppliers
22 of 22 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

22 suppliers in 3 countries

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2-Isopropylthioxanthone 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

Industrial uses: Pigment.

Consumer uses: Pigment.

Cosmetic ingredient, INCI name ISOPROPYL THIOXANTHONE(skin conditioning)

Functional uses

  • Photosensitizers
  • Softener and conditioner

Cosmetic functions

  • Skin conditioning

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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-Isopropylthioxanthone is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is 2-Isopropylthioxanthone?

2-Isopropylthioxanthone is a chemical substance with the molecular formula C16H14OS and a molar mass of 254.35 g/mol. Its CAS registry number is 5495-84-1. The IUPAC name is 2-propan-2-ylthioxanthen-9-one.

What is the CAS number of 2-Isopropylthioxanthone?

The CAS registry number of 2-Isopropylthioxanthone is 5495-84-1. Other or deprecated CAS numbers: 54958-41-7.

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

The molecular formula of 2-Isopropylthioxanthone is C16H14OS and its molar mass is 254.35 g/mol.

What is 2-Isopropylthioxanthone used for?

Industrial uses: Pigment. Consumer uses: Pigment.

Is 2-Isopropylthioxanthone hazardous?

2-Isopropylthioxanthone carries the GHS signal word "Warning". Main hazards: harmful if swallowed, suspected of damaging fertility or the unborn child, suspected of damaging fertility. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Isopropylthioxanthone?

2-Isopropylthioxanthone is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Isopropylthioxanthone?

CompoundList lists 22 suppliers of 2-Isopropylthioxanthone in China, United States and Taiwan. 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-Isopropylthioxanthone?

Suppliers quote 2-Isopropylthioxanthone 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-Isopropylthioxanthone

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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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