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Merck
CN

16446

Xylenes

Synonym(s):

Xylene mixture of isomers

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About This Item

Linear Formula:
C6H4(CH3)2
CAS Number:
1330-20-7
Molecular Weight:
106.17
UNSPSC Code:
12352002
PubChem Substance ID:
329751243
EC Number:
215-535-7
MDL number:
MFCD00077264
Assay:
≥99.0%
Bp:
137-140 °C (lit.)
Vapor pressure:
18 mmHg ( 37.7 °C)

Key Documents

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InChI key

MVZVDAGWAAZJPE-UHFFFAOYSA-N

InChI

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

SMILES string

Cc1ccc(C)cc1.Cc2cccc(C)c2.Cc3ccccc3C

vapor density

3.7 (vs air)

vapor pressure

18 mmHg ( 37.7 °C)

assay

≥99.0%

form

liquid

expl. lim.

7 %

impurities

≤0.002% non-volatile matter, ≥96% total isomers (GC)

refractive index

n20/D 1.4960-1.4990

bp

137-140 °C (lit.)

mp

-34 °C

density

0.86 g/mL at 25 °C (lit.)

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Other Notes

Pertains only in Germany: unversteuert

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 RE 2 Inhalation - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

77.0 °F - closed cup

flash_point_c

25 °C - closed cup

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
STBG8135
STBG5787V
STBG5343V
STBG5342V
STBG4968V

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Qiming Wang et al.
Nature communications, 5, 4899-4899 (2014-09-17)
Cephalopods can display dazzling patterns of colours by selectively contracting muscles to reversibly activate chromatophores--pigment-containing cells under their skins. Inspired by this novel colouring strategy found in nature, we design an electro-mechano-chemically responsive elastomer system that can exhibit a wide
Cheng-Xiong Yang et al.
Analytical chemistry, 83(18), 7144-7150 (2011-08-04)
The diverse structures and pore topologies, accessible cages and tunnels, and high surface areas make metal-organic frameworks attractive as novel media in separation sciences. Here we report the slurry-packed MIL-101(Cr) column for high-performance liquid chromatographic separation of substituted aromatics. The
Jennifer V Littlejohns et al.
Journal of hazardous materials, 175(1-3), 872-882 (2009-12-05)
A dynamic mathematical model has been developed to predict the performance of a stirred tank, solid-liquid two-phase partitioning bioreactor (SL-TPPB) for the treatment of benzene, toluene, ethylbenzene and o-xylene (BTEX) contaminated gases. The SL-TPPB system consists of an aqueous phase
Ali Sarafraz-Yazdi et al.
Journal of chromatography. A, 1218(34), 5757-5764 (2011-07-26)
In this study, poly(ethylene glycol) (PEG) grafted onto multi-walled carbon nanotubes (PEG-g-MWCNTs) were synthesized by the covalent functionalization of MWCNTs with hydroxyl-terminated PEG chains. For the first time, functionalized product of PEG-g-MWCNTs was used as selective stationary phase to prepare
Lian He et al.
Journal of environmental sciences (China), 23(1), 160-165 (2011-04-12)
The activities of CeO2 nanocubes calcined at different temperatures were tested for catalytic oxidation of o-xylene. Using CeO2 nanocubes as catalysts, complete catalytic oxidation of o-xylene was achieved below 210 degrees C. The CeO2 nanomaterials were characterized by means of
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