CompoundList
Sign in
Thickeners and rheology modifiers

Xanthene

Also known as 9H-Xanthene, Xanthan, Dibenzo[a,e]pyran

CAS 92-83-1Formula C13H10OMolar mass 182.22 g/molEC 202-194-4
GHS signal word: Warning. Pictograms: Harmful or irritant 68 suppliers listed
Get quotes Compare 68 suppliers
Xanthene chemical structure, C13H10O, CAS 92-83-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
92-83-1
Formula
C13H10O
Molar mass
182.22 g/mol
EC number
202-194-4
HS code
293299
Category
Thickeners and rheology modifiers

What is Xanthene?

Plain description, key identifiers and synonyms

9H-xanthene is a xanthene. It is a tautomer of a 3H-xanthene and a 4aH-xanthene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
9H-xanthene
CAS number
92-83-1 CAS number cross-checkedOther or deprecated CAS: 24624-32-6
EC number
202-194-4
Molecular formula
C13H10O
UNII
A762Z8101Y
MDL number
MFCD00005055
InChIKey
GJCOSYZMQJWQCA-UHFFFAOYSA-N
InChI
InChI=1S/C13H10O/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)14-12/h1-8H,9H2
SMILES (canonical and isomeric)
C1C2=CC=CC=C2OC3=CC=CC=C31

Synonyms

  • 9H-Xanthene
  • Xanthan
  • Dibenzo[a,e]pyran
  • 9-oxa-9,10-dihydroanthracene
  • Dibenzopyran, tricyclic
  • Dibenzo(a,e)pyran
  • 5-17-02-00252 (Beilstein Handbook Reference)
  • 9HXanthene
  • 10H9Oxaanthracene
  • 12,12-dimethyl-12H-benzo(a)xanthene
  • 12,12-dimethyl-12H-benzo[a]xanthene
  • 10H-9-Oxaanthracene
  • xanthene-d2
  • Xanthenes
  • xanthene-
  • Xanthene, 99%

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
182.22 g/molcalc.
Exact mass
182.0732 Dacalc.
LogP (octanol/water)
3.38calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
14calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.08calc.
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, c1ccc2c(c1)Cc1ccccc1O2

c1ccc2c(c1)Cc1ccccc1O2

3 rings, 14 atoms. This chemical is the scaffold itself.

315 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

  • H317May cause an allergic skin reaction.
Precautionary statements (8)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Xanthene suppliers

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

All 68 suppliers
30 of 30 offers
  • Shanghai Sage Fine Chemical Co., Ltd
    China, ShanghaiUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • R.A.Dyestuffs (India) Pvt.Ltd.
    India ManufacturerUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • 001Chemical
    China, HangzhouUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • 10X Chem
    United States, San DiegoUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • 3WAY Pharm Inc
    China, ShanghaiUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • A2B Chem LLC
    United States, San DiegoUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • Aa Blocks LLC
    United States, San DiegoUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • Aaron Chemicals LLC.
    China, NanjingUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • AbaChemScene, LLC
    United States, Monmouth JunctionUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View
  • ABCR GmbH & CO. KG
    GermanyUnclaimed profile
    XantheneGrade, purity and minimum order on request
    Price on request
    View

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

68 suppliers in 13 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

Xanthene 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

Functional uses

  • Dye
  • Pigment
  • Surface modifier

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 Xanthene is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Xanthene, based on the data on this page

What is Xanthene?

9H-xanthene is a xanthene. It is a tautomer of a 3H-xanthene and a 4aH-xanthene.

What is the CAS number of Xanthene?

The CAS registry number of Xanthene is 92-83-1. Other or deprecated CAS numbers: 24624-32-6.

What is the molecular formula and weight of Xanthene?

The molecular formula of Xanthene is C13H10O and its molar mass is 182.22 g/mol.

What is Xanthene used for?

Known uses and roles of Xanthene include rheology modifiers in paints and coatings, dye, pigment and surface modifier.

Is Xanthene hazardous?

Xanthene carries the GHS signal word "Warning". Main hazards: may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Xanthene?

Xanthene is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Xanthene?

CompoundList lists 68 suppliers of Xanthene in United States, China, United Kingdom, Spain and 9 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Xanthene in India?

1 supplier in India list Xanthene on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Xanthene?

Suppliers quote Xanthene 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 Xanthene

Get quotes for Xanthene

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Xanthene
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 Xanthene with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/xanthene-92-83-1" title="Xanthene 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 Thickeners and rheology modifiers or HS code 293299

68 suppliers
Free quotes, contact stays private
Get quotes