MilliporeSigma
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294780

Sigma-Aldrich

o-Xylene

anhydrous, 97%

Synonym(s):
1,2-Dimethylbenzene
Linear Formula:
C6H4(CH3)2
CAS Number:
Molecular Weight:
106.17
Beilstein:
1815558
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor density

3.7 (vs air)

vapor pressure

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

assay

97%

form

liquid

autoignition temp.

867 °F

expl. lim.

7 %

impurities

<0.003% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0003%

refractive index

n20/D 1.505 (lit.)

bp

143-145 °C (lit.)

mp

-26--23 °C (lit.)

solubility

water: partially soluble 0.1705 g/L at 25 °C

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

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Application

o-Xylene may be used as a solvent for the synthesis of N,N-dimethyl-5β-cholest-3-ene-5-acetamide from cholest-4-en-3β-ol.[56] It may also be used as a starting material in the preparation of o-xylyl bromide[57], 4-bromo-o-xylene{45 and o-toluic acid.[59]

Packaging

100 mL in Sure/Seal™
1, 2 L in Sure/Seal™

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

89.6 °F - closed cup

Flash Point(C)

32.0 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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