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X1040

o-Xylene

reagent grade, ≥98.0%

Synonym(s):

1,2-Dimethylbenzene

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About This Item

Linear Formula:
C6H4(CH3)2
CAS Number:
95-47-6
Molecular Weight:
106.17
UNSPSC Code:
12352005
NACRES:
NA.21
PubChem Substance ID:
329830774
EC Number:
202-422-2
Beilstein/REAXYS Number:
1815558
MDL number:
MFCD00008519
Assay:
≥98.0%
Grade:
reagent grade
Bp:
143-145 °C (lit.)
Vapor pressure:
<0.1 atm ( 21.1 °C), 16 mmHg ( 37.7 °C), 7 mmHg ( 20 °C)
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grade

reagent grade

Quality Segment

100

vapor density

3.7 (vs air)

vapor pressure

<0.1 atm ( 21.1 °C), 16 mmHg ( 37.7 °C), 7 mmHg ( 20 °C)

assay

≥98.0%

form

liquid

autoignition temp.

867 °F

expl. lim.

7 %

dilution

(for analytical testing)

refractive index

n20/D 1.505 (lit.)

bp

143-145 °C (lit.)

mp

-26--23 °C (lit.)

density

0.879 g/mL at 20 °C (lit.)

SMILES string

Cc1ccccc1C

InChI

1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3

InChI key

CTQNGGLPUBDAKN-UHFFFAOYSA-N

General description

O-Xylene is an aromatic hydrocarbon that is commonly used as a solvent in the pharmaceutical, printing, rubber, cleaning agent, paint thinner, varnish, synthetic fiber, and leather industries.

Application

O-Xylene can be used as a reactant to synthesize:      
  • Phthalic anhydride by oxidation using various catalysts.
  • 4-Nitro-o-xylene using fuming nitric acid and polyphosphoric acid in the presence of an acid catalyst.

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signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

89.6 °F - closed cup

flash_point_c

32.0 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Deleterious substance

pdsc

Class I Designated Chemical Substances

prtr

Group 4: Flammable liquids + Type 2 petroleums + Hazardous rank III + Water insoluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

X1040-1L:4.54817321531E12 + X1040-20L:4.548173215327E12 + X1040-4L:4.548173215334E12

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