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Merck

294780

o-Xylene

anhydrous, 97%

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:
12352002
NACRES:
NA.21
PubChem Substance ID:
57648373
EC Number:
202-422-2
Beilstein/REAXYS Number:
1815558
MDL number:
MFCD00008519
grade:
anhydrous
assay:
97%
bp:
143-145 °C (lit.)
vapor pressure:
<0.1 atm ( 21.1 °C)
16 mmHg ( 37.7 °C)
7 mmHg ( 20 °C)

Product Name

o-Xylene, anhydrous, 97%

assay

97%

form

liquid

InChI key

CTQNGGLPUBDAKN-UHFFFAOYSA-N

InChI

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

SMILES string

Cc1ccccc1C

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)

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.)

Quality Level

100

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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. 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.

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

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SHBT2617
SHBS6769
SHBS2456
SHBR3661
SHBQ9312

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o-Tolualdehyde
Hass HB and Bender ML
Organic Syntheses, 30, 99-99 (1950)
o-Toluic acid
Zaugg HE and Rapala RT
Organic Syntheses, 27, 84-84 (1947)
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)
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