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296333

Sigma-Aldrich

p-Xylene

anhydrous, ≥99%

Sinónimos:

1,4-Dimethylbenzene

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About This Item

Fórmula lineal:
C6H4(CH3)2
Número de CAS:
106-42-3
Peso molecular:
106.17
Beilstein/REAXYS Number:
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

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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.

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_germany

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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Certificados de análisis (COA)

Lot/Batch Number
SHBR3786
SHBQ8703
SHBQ6040
SHBP5191
SHBL3934

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Sigma-Aldrich

95662

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Sigma-Aldrich

296848

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Supelco

95670

m-Xylene

o-Xylene analytical standard

Supelco

95660

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Sigma-Aldrich

95672

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Organic Syntheses, 25, 33-33 (1945)
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Lamellar liquid crystals comprising oil, water and surfactant(s) were formulated and analysed in order to examine how these materials responded to the inclusion of inorganic nanoparticles, in terms of their structural and rheological characteristics. Lamellar phases were formed from mixtures
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Friedel-Crafts acylation of toluene and p-xylene with carboxylic acids catalyzed by zeolites.
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