294780

Sigma-Aldrich

o-Xylene

anhydrous, 97%

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

Quality Level

grade

anhydrous

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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. It may also be used as a starting material in the preparation of o-xylyl bromide, 4-bromo-o-xylene{45 and o-toluic acid.

Packaging

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

Signal Word

Danger

hazcat

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

Target Organs

Respiratory system

storage_class_code

3 - Flammable liquids

WGK Germany

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

Certificate of Origin

o-Toluic acid
Zaugg HE and Rapala RT
Organic Syntheses, 27, 84-84 (1947)
o-Tolualdehyde
Hass HB and Bender ML
Organic Syntheses, 30, 99-99 (1950)
N,N-dimethyl-5?-cholest-3-ene-5-acetamide
Ireland RE and Dawson DJ
Organic Syntheses, 54, 77-77 (1974)
Mesoporous Co3O4-supported gold nanocatalysts: Highly active for the oxidation of carbon monoxide, benzene, toluene, and o-xylene.
Liu Y, et al.
J. Catal., 309, 408-418 (2014)
Eagleson M.
Concise Encyclopedia Chemistry, 833-833 (1994)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service