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Aromatics

O-Xylene

Also known as 1,2-Dimethylbenzene, 1,2-Xylene, Ortho-Xylene

CAS 95-47-6Formula C8H10Molar mass 106.17 g/molEC 202-422-2
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant 178 suppliers listed
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O-Xylene chemical structure, C8H10, CAS 95-47-6
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-25.2 °C
Boiling point
144.5 °C
Density
Relative density (water = 1): 0.88 (20 °C)
Flash point
31 °C
HS code
290241
Category
Aromatics
UN number
UN 1307
Illustrative photo, an amber glass solvent bottle with clear liquid on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is O-Xylene?

Plain description, key identifiers and synonyms

O-xylene is a xylene substituted by methyl groups at positions 1 and 2.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2-xylene
CAS number
95-47-6 CAS number cross-checked
EC number
202-422-2
Molecular formula
C8H10
UNII
Z2474E14QP
MDL number
MFCD00008519
INCI name
XYLENE
InChIKey
CTQNGGLPUBDAKN-UHFFFAOYSA-N
InChI
InChI=1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3
SMILES (canonical and isomeric)
CC1=CC=CC=C1C

Synonyms

  • 1,2-Dimethylbenzene
  • 1,2-Xylene
  • Ortho-Xylene
  • o-Xylol
  • o-Dimethylbenzene
  • o-Methyltoluene
  • 2-Xylene
  • 3,4-Xylene
  • Benzene, 1,2-dimethyl-
  • 1,2-Dimethylbenzol
  • 2-Methyltoluene
  • orthoxylene
  • o-Xylenes
  • Xylene, o-
  • Benzene, o-dimethyl-
  • o-Xylene-dimethyl-13C2
  • Benzene,1,2-dimethyl
  • o-Xylene Solution
  • dimethyl benzene
  • dimethyl-benzene
  • Xylenes ACS
  • Xylene, o-isomer
  • 1,2-dimethyl-benzene
  • 1,2-Xylene Standard
  • o-Xylene, HPLC Grade
Show all 36 synonyms
  • o-XYLENE- D10
  • o-Xylene, anhydrous, 97%
  • 1,2-XYLOL
  • o-Xylene, analytical standard
  • o-Xylene, for HPLC, 98%
  • o-Xylene, for synthesis, 98%
  • o-Xylene, Spectrophotometric Grade
  • o-Xylene 10 microg/mL in Methanol
  • o-Xylene 100 microg/mL in Methanol
  • o-Xylene, reagent grade, >=98.0%
  • o-Xylene, spectrophotometric grade, 98%

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

Appearance
Colorless liquidexp.
Odour
Sweetexp.
Melting point
-25.2 °Cexp.
Boiling point
144.5 °Cexp.
Density
Relative density (water = 1): 0.88 (20 °C)exp.
Flash point
31 °Cexp.
Autoignition temperature
463 °Cexp.
Solubility
In water, 1.78 × 10⁺² mg/L at 25 °Cexp.
Vapour pressure
6.65 mm Hg at 25 °C /extrapolated/exp.

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
106.17 g/molcalc.
Exact mass
106.0783 Dacalc.
LogP (octanol/water)
2.3calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
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
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
320NFPA 704 rating

Hazard statements

  • H226Flammable liquid and vapour.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H332Harmful if inhaled.
Precautionary statements (20)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1307
Transport hazard class
3
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

O-Xylene suppliers

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

All 178 suppliers
30 of 30 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

178 suppliers in 24 countries

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O-Xylene 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

Manufacture of phthalic anhydride, vitamin and pharmaceutical syntheses, dyes, insecticides, motor fuels.

Chem intermediate for phthalonitrile.

Chem intermediate for other derivatives.

Industrial uses: Other, Dispersing agent, Solvent, Fuel agents, Antioxidant, Monomers, Intermediate.

Consumer uses: Solvent, Dispersing agent, Intermediate.

Cosmetic ingredient, INCI name XYLENE(fragrance, solvent, perfuming)

Functional uses

  • Solvent

Cosmetic functions

  • Fragrance
  • Perfuming
  • Solvent

How it is made

/Xylene/ ... is produced primarily by the catalytic reforming of naphtha streams, which are rich in alicyclic hydrocarbons. The aromatic reformate fractions consist mainly of benzene, toluene, mixed xylenes, xylenes representing the largest fraction. The xylene isomers are separated from the reformate by extraction and distillation on the basis of differences in boiling point. 2-Xylene, which has the highest boiling point, is separated as the bottom distillate...

Isolation from mixed xylenes by distillation, isomerization of m-xylene

Product profile: Orthoxylene.

Read more

Mixed xylenes are produced by high severity catalytic reforming of naphtha from which the C8 stream contains ortho-, meta-, and paraxylenes, and ethylbenzene. Xylenes are also obtained from the pyrolysis gas (pygas) stream in a naphtha steam cracker and by toluene disproportionation. The xylenes are passed through a splitter where the bottom stream, with a targeted amount of orthoxylene, is sent to an orthoxylene distillation column to produce high purity product.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 601-022-00-9[1]

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 O-Xylene is traded under.

HS 2902.41Exact HS code

Cyclic hydrocarbons: o-xylene

World exports in 2024
$707M
−16.9% vs 2023, imports $849M
2019 to 2024
Top exporters
  1. Netherlands15.7%
  2. France * partner reported13.5%
  3. Singapore13.5%
Top importers
  1. Germany25.9%
  2. India * partner reported15.9%
  3. Belgium14.9%

* Partner reported figures, a lower bound.

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

The HS code shown for O-Xylene is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about O-Xylene, based on the data on this page

What is O-Xylene?

O-xylene is a xylene substituted by methyl groups at positions 1 and 2.

What is the CAS number of O-Xylene?

The CAS registry number of O-Xylene is 95-47-6.

What is the molecular formula and weight of O-Xylene?

The molecular formula of O-Xylene is C8H10 and its molar mass is 106.17 g/mol.

What is O-Xylene used for?

Manufacture of phthalic anhydride, vitamin and pharmaceutical syntheses, dyes, insecticides, motor fuels. Chem intermediate for phthalonitrile. Chem intermediate for other derivatives. Industrial uses: Other, Dispersing agent, Solvent, Fuel agents, Antioxidant, Monomers, Intermediate.

Is O-Xylene hazardous?

O-Xylene carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, harmful in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of O-Xylene?

O-Xylene is usually classified under HS code 290241 (O-Xylene). This is indicative, confirm it with your customs broker before shipping.

Where can I buy O-Xylene?

CompoundList lists 178 suppliers of O-Xylene in India, United States, China, Japan and 20 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy O-Xylene in India?

59 suppliers in India list O-Xylene on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of O-Xylene?

Suppliers quote O-Xylene 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 O-Xylene

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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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