Skip to Content
Merck
CN
All Photos(3)

Documents

Safety Information

296333

Sigma-Aldrich

p-Xylene

anhydrous, ≥99%

Sign Into View Organizational & Contract Pricing
All Photos(3)
Synonym(s):
1,4-Dimethylbenzene
Linear Formula:
C6H4(CH3)2
CAS Number:
106-42-3
Molecular Weight:
106.17
Beilstein:
1901563
EC Number:
203-396-5
MDL number:
MFCD00008556
UNSPSC Code:
12352002
PubChem Substance ID:
57648391
NACRES:
NA.21

grade

anhydrous

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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.

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

WGK

WGK 2

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

2,5-dimethylmandelic acid
Riebsomer JL and Irvine J
Organic Syntheses, 25, 33-33 (1945)
Emiliano Zampetti et al.
Sensors (Basel, Switzerland), 21(1) (2021-01-01)
Benzene, toluene and xylene (BTX) are an important part of the volatile organic compounds (VOCs) to be detected and monitored in the air, due to their toxicity towards human health. One of the most reliable technique used in BTX detection
Cycloaddition of biomass-derived furans for catalytic production of renewable p-xylene.
Williams CL, et al.
ACS Catalysis, 2(6), 935-939 (2012)
Friedel-Crafts acylation of toluene and p-xylene with carboxylic acids catalyzed by zeolites.
Chiche B, et al.
The Journal of Organic Chemistry, 51(11), 2128-2130 (1986)
Metal-organic framework MIL-101 for high-resolution gas-chromatographic separation of xylene isomers and ethylbenzene.
Zhi-Yuan Gu et al.
Angewandte Chemie (International ed. in English), 49(8), 1477-1480 (2010-01-22)
View All Related Papers

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