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296333

p-Xylene

anhydrous, ≥99%

Synonym(s):

1,4-Dimethylbenzene

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About This Item

Linear Formula:
C6H4(CH3)2
CAS Number:
106-42-3
Molecular Weight:
106.17
UNSPSC Code:
12352002
NACRES:
NA.21
PubChem Substance ID:
57648391
EC Number:
203-396-5
Beilstein/REAXYS Number:
1901563
MDL number:
MFCD00008556
Assay:
≥99%
Grade:
anhydrous
Bp:
138 °C (lit.)
Vapor pressure:
9 mmHg ( 20 °C)
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grade

anhydrous

Quality Segment

200

vapor density

3.7 (vs air)

vapor pressure

9 mmHg ( 20 °C)

assay

≥99%

form

liquid

autoignition temp.

984 °F

expl. lim.

7 %

impurities

<0.002% water, <0.005% water (100 mL pkg)

evapn. residue

<0.0003%

refractive index

n20/D 1.495 (lit.)

bp

138 °C (lit.)

mp

12-13 °C (lit.)

solubility

water: soluble 0.2 g/L

density

0.861 g/mL at 20 °C (lit.)

SMILES string

Cc1ccc(C)cc1

InChI

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

InChI key

URLKBWYHVLBVBO-UHFFFAOYSA-N

General description

p-Xylene is an isomer xylene mainly used in the polyester industry as a raw material for synthesizing 5,6-terephthalic acid.

Application

p-Xylene may be used in the synthesis of ethyl 2,5-dimethylphenylhydroxymalonate by reacting with ethyl oxomalonate in the presence of anhydrous stannic chloride.

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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

80.6 °F - closed cup

flash_point_c

27 °C - closed cup

ppe

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

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