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Merck
CN

320579

Sigma-Aldrich

Xylenes

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
MDL number:
MFCD00077264
UNSPSC Code:
12352002
PubChem Substance ID:
329753989
Grade:
ACS reagent
Assay:
≥98.5% xylenes + ethylbenzene basis
Bp:
137-140 °C (lit.)
Vapor pressure:
18 mmHg ( 37.7 °C)

Key Documents

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grade

ACS reagent

vapor density

3.7 (vs air)

vapor pressure

18 mmHg ( 37.7 °C)

Assay

≥98.5% xylenes + ethylbenzene basis

form

liquid

autoignition temp.

867 °F

composition

C6H5CH2CH3, ≤25%

expl. lim.

7 %

dilution

(for analytical testing)

impurities

H2SO4, passes test (substances darkened by sulfuric acid)
≤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 (lit.)

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

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Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

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 RE 2 - STOT RE 2 Inhalation - STOT SE 3

Target Organs

Central nervous system,Liver,Kidney, hearing organs, Respiratory system

Storage Class Code

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
MKBG0659
MKBG0657
MKBF5852
MKAA4496
03624JH

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

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  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What are the percentages of each Xylene isomer found in product 320579, Xylene?

    According to data given by the supplier of product 320579, Xylenes, this product contains a minimum of 18.0% p-Xylene and no more than 20.0% Ethylbenzene (we allow for

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    Ask a Scientist here.

Christopher J C Whitehouse et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(24), 6862-6868 (2011-04-28)
The oxidation of o-xylene by P450(BM3) from Bacillus megaterium yields, in addition to the products formed by microsomal P450s, two metabolites containing an NIH-shifted methyl group, one of which lacks the aromatic character of the substrate. The failure of the
Kevin P Raymond et al.
Lab on a chip, 12(19), 3666-3669 (2012-07-10)
We present a colourimetric litmus test for simple differentiation of organic liquids based on wetting, which achieves chemical specificity without a significant sacrifice in portability or ease-of-use. Chemical specificity is derived from the combination of colourimetric wetting patterns produced by
Sailendra Nath Sarma et al.
Toxicology, 280(3), 109-117 (2010-12-15)
Whereas benzene (BZ) is a well-known human carcinogen, toluene (TOL) and o-xylene (o-XY) are not; however, all three compounds are important environmental pollutants. Although BZ, TOL, and o-XY have been shown to induce apoptosis in vitro, their mechanism of toxicity
Sailendra Nath Sarma et al.
Toxicology, 271(3), 122-130 (2010-04-03)
Benzene, toluene, o-xylene, ethylbenzene, trichloroethylene and dichloromethane are the most widely used volatile organic compounds (VOCs), and their toxic mechanisms are still undefined. This study analyzed the genome-wide expression profiles of human promyelocytic leukemia HL-60 cells exposed to VOCs using
Zifu Li et al.
Chemical communications (Cambridge, England), 47(1), 331-333 (2010-08-24)
We describe a flexible method for large-scale production of polymeric microspheres by templating a microgel-stabilized oil-in-water (o/w) high internal phase emulsion.
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Chromatograms

application for HPLC

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