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247642

Xylenes

Name: Xylenes
Brand: SIGALD

ACS reagent, ≥98.5% xylenes + ethylbenzene basis

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

NACRES:

NA.21

PubChem Substance ID:

329752747

UNSPSC Code:

12352002

MDL number:

MFCD00077264

Assay:

≥98.5% xylenes + ethylbenzene basis

Grade:

ACS reagent

Bp:

137-140 °C (lit.)

Vapor pressure:

18 mmHg ( 37.7 °C)

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Properties

grade

ACS reagent

Quality Level

200

vapor density

3.7 (vs air)

vapor pressure

18 mmHg ( 37.7 °C)

assay

≥98.5% xylenes + ethylbenzene basis

form

liquid

composition

C₆H₅CH₂CH₃, ≤25%

expl. lim.

7 %

dilution

(for analytical testing)

impurities

H₂SO₄, passes test, ≤0.003% S compounds, ≤0.05% water

evapn. residue

≤0.002%

color

APHA: ≤10

refractive index

n20/D 1.497 (lit.)

bp

137-140 °C (lit.)

mp

-34 °C

density

0.86 g/mL at 25 °C (lit.)

SMILES string

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

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

InChI key

MVZVDAGWAAZJPE-UHFFFAOYSA-N

Description

General description

Our premium ACS solvents are ideal for routine chemical synthesis, drying, purification, and critical labware cleaning. They meet or exceed the rigorous standards of the American Chemical Society (ACS), ensuring high-quality results for your research needs.

Premium ACS Solvents: Our solvents meet or exceed the stringent standards set by the American Chemical Society, ensuring high quality and reliability for your laboratory applications.

Replicable and Publishable Results: Designed for consistency, our solvents deliver results that can be reliably reproduced, making them ideal for research that requires publication.

Versatile Applications: Suitable for routine chemical synthesis, drying, purification, and critical labware cleaning, our solvents cater to a wide range of research needs in the laboratory.

Xylenes is a mixture of isomeric ortho-,meta- and para- forms of xylene which is an aromatic hydrocarbon widelyused as a solvent in various chemical reactions.

Application

Xylenes can be used as a solvent:

In the tetraphosphine/palladium-catalyzed Suzuki cross-coupling with sterically hindered aryl halides and arylboronic acids to synthesize tri-ortho-substituted biaryl adducts.
For the N-alkylation of amines or ammonia with alcohols to synthesize N-alkyl amines.
To synthesize aromatic polyimides by reacting unsymmetric phosphinated diamines and dianhydrides via solution polymerization.

Packaging

poly-coated bottles available: product numbers 247642-1L-CB, 247642-4L-CB and 247642-4X4L-CB

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pictograms

GHS02,GHS08,GHS07

signalword

Danger

hcodes

H226,H304,H312 + H332,H315,H319,H335,H373,H412

pcodes

P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331

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 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system,Liver,Kidney, hearing 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

危险化学品

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A study of nonrigid aromatic molecules by supersonic molecular jet spectroscopy. I. Toluene and the xylenes.

Breen PJ, et al.

J. Chem. Phys. , 87(4), 1917-1926 (1987)

Transport and isomerization of xylenes over HZSM-5 zeolites.

Mirth G, et al.

J. Catal., 139(1), 24-33 (1993)

Reduced adipose tissue oxygenation in human obesity: evidence for rarefaction, macrophage chemotaxis, and inflammation without an angiogenic response.

Magdalena Pasarica et al.

Diabetes, 58(3), 718-725 (2008-12-17)

Based on rodent studies, we examined the hypothesis that increased adipose tissue (AT) mass in obesity without an adequate support of vascularization might lead to hypoxia, macrophage infiltration, and inflammation. Oxygen partial pressure (AT pO2) and AT temperature in abdominal

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Global Trade Item Number

SKU	GTIN
247642-1L-CB	04061825900940
247642-20L	04061825900957
247642-4L	04061837565410
247642-4X4L	04061837565427
247642-500ML	04061825900971
247642-18L-CS	04061837910128
247642-2.5L	04061837565403
247642-4L-CB	04061825900964
247642-4X4L-CB	04061837565434