Merck
All Photos(3)

1.08684

Supelco

p-Xylene

for analysis EMSURE® ISO

Synonym(s):
p-Xylene, Dimethylbenzol
Linear Formula:
C6H4-1,4-(CH3)2
CAS Number:
Molecular Weight:
106.17
MDL number:
EC Index Number:
203-396-5

Quality Level

Agency

reag. ISO

vapor pressure

8.7 hPa ( 20 °C)

product line

EMSURE®

assay

≥99.0% (GC)

form

liquid

autoignition temp.

540 °C

potency

3910 mg/kg LD50, oral (Rat)

expl. lim.

1.1-7 % (v/v)

impurities

≤0.00025 meq/g Acidity
≤0.00025 meq/g Alkalinity
≤0.01% Water
≤0.1% Benzene (GC)
≤0.1% Toluene (GC)
≤3% Ethylbenzene (GC)

evapn. residue

≤0.001%

color

clearAPHA: ≤10

refractive index

n20/D 1.495-1.499

bp

138.4 °C/1013 hPa

mp

13.3 °C

transition temp

flash point 24 °C

density

0.86 g/cm3 at 20 °C

cation traces

Al: ≤0.00005%
B: ≤0.000002%
Ba: ≤0.00001%
Ca: ≤0.00005%
Cd: ≤0.000005%
Co: ≤0.000002%
Cr: ≤0.000002%
Cu: ≤0.000002%
Fe: ≤0.00001%
Mg: ≤0.00001%
Mn: ≤0.000002%
Ni: ≤0.000002%
Pb: ≤0.00001%
Sn: ≤0.00001%
Zn: ≤0.00001%

storage temp.

2-30°C

InChI

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

Inchi Key

URLKBWYHVLBVBO-UHFFFAOYSA-N

Related Categories

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Analysis Note

p-Xylene (GC): ≥ 99.0 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Acidity: ≤ 0.00025 meq/g
Alkalinity: ≤ 0.00025 meq/g
Density (d 20 °C/20 °C): 0.862 - 0.869
Refractive index (n 20/D): 1.495 - 1.499
Boiling range (137-142°C): ≥ 95 % (v/v)
Benzene (GC): ≤ 0.1 %
Ethylbenzene (GC): ≤ 3 %
Toluene (GC): ≤ 0.1 %
Sulfur compounds (as S): ≤ 0.003 %
Readily carbonizable substances: conforms
Thiophene: conforms
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.01 %
ISO-reagent

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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 SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

80.6 °F - closed cup

Flash Point(C)

27 °C - closed cup

Certificate of Analysis

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Certificate of Quality

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