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95672

m-Xylene

puriss. p.a., ≥99.0% (GC)

Synonym(s):

1,3-Dimethylbenzene

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About This Item

Linear Formula:
C6H4(CH3)2
CAS Number:
108-38-3
Molecular Weight:
106.17
UNSPSC Code:
12352002
NACRES:
NA.21
PubChem Substance ID:
329770477
EC Number:
203-576-3
Beilstein/REAXYS Number:
605441
MDL number:
MFCD00008536
Assay:
≥99.0% (GC)
Technique(s):
GC/GC: suitable
Bp:
138-139 °C (lit.)
Vapor pressure:
16 mmHg
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vapor density

3.7 (vs air)

Quality Level

100

vapor pressure

16 mmHg

grade

puriss. p.a.

assay

≥99.0% (GC)

form

liquid

autoignition temp.

982 °F

expl. lim.

7 %

technique(s)

GC/GC: suitable

impurities

≤0.5% o- and p-xylene (GC), ≤0.5% toluene (GC)

evapn. residue

≤0.002%

refractive index

n20/D 1.497

bp

138-139 °C (lit.)

mp

−48 °C (lit.)

density

0.868 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.1 mg/kg, K: ≤0.5 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Mo: ≤0.1 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.1 mg/kg, Sr: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

SMILES string

Cc1cccc(C)c1

InChI

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

InChI key

IVSZLXZYQVIEFR-UHFFFAOYSA-N

General description

m-Xylene is an isomeric form of xylene. Experimental values of density (ρ) and speed of sound (u) of its binary mixtures with diethyl carbonate (DEC) have been evaluated over the temperature range of 298.15-323.15K and at 0.1MPa atmospheric pressure.

Application

m-Xylene may be used in the synthesis of isophthalic acid and phthalaldehyde.

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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

WGK 2

flash_point_f

80.6 °F - closed cup

flash_point_c

27 °C - closed cup

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

Lot/Batch Number
STBK4227
STBK1649
STBJ9859
STBJ6706
STBJ3561

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Influence of alkyl group and temperature on excess thermodynamic properties of diethyl carbonate and their binary mixtures at 0.1 MPa.
Srilakshmi M, et al.
Journal of Molecular Liquids, 211, 854-867 (2015)
Dragana Bozinovski et al.
FEMS microbiology ecology, 81(1), 134-144 (2012-03-01)
A sulfate-reducing consortium maintained for several years in the laboratory with m-xylene as sole source of carbon and energy was characterized by terminal restriction fragment length polymorphism (T-RFLP) fingerprinting of PCR-amplified 16S rRNA genes and stable isotope probing of proteins
Michalis Koutinas et al.
Environmental microbiology, 12(6), 1705-1718 (2010-06-18)
The structure of the extant transcriptional control network of the TOL plasmid pWW0 born by Pseudomonas putida mt-2 for biodegradation of m-xylene is far more complex than one would consider necessary from a mere engineering point of view. In order
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Global Trade Item Number

SKUGTIN
95672-2.5L04061833316344
95672-1L04061833316337