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LC5950 p-Xylene
reference substance for gas chromatography


Order number Packaging Quantity Price €
AC32950 Glass bottle 5 ml 97.20


Product information
Synonyms 1,4-Dimethylbenzene
Hill Formula C8H10
Chemical formula C6H4-1,4-(CH3)2
HS Code 2902 43 00
EC number 203-396-5
Molar mass 106.16 g/mol
EC index number 601-022-00-9
CAS number 106-42-3


Chemical and physical data
Ignition temperature 540 °C
Solubility 0.2 g/l (25 °C)
Saturation concentration (air) 38 g/m3 (20 °C) Air
Melting point 13.3 °C
Molar mass 106.16 g/mol
Density 0.86 g/cm3 (20 °C)
Boiling point 138.4 °C (1013 hPa)
Vapor pressure 8.7 hPa (20 °C)
Explosion limit 1.1 – 7 %(V)
Flash point 24 °C
Evaporation number 13.5


Safety information according to GHS
Hazard Statement(s) H226: Flammable liquid and vapour.
H312 + H332: Harmful in contact with skin or if inhaled.
H315: Causes skin irritation.
Precautionary Statement(s) P210: Keep away from heat.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word Warning
Hazard Pictogram(s)
Storage class 3 Flammable Liquids
WGK WGK 2 water endangering
Disposal 1
Strongly contaminated halogen-free organic solvents: container A.


Safety information
R Phrase R 10-20/21-38
Flammable.Harmful by inhalation and in contact with skin.Irritating to skin.
S Phrase S 25
Avoid contact with eyes.
Categories of danger flammable, harmful, irritant
Hazard Symbol Harmful


Transport information
Declaration (transport by sea) IMDG-Code UN 1307 XYLENES, 3, III
Declaration (transport by air) IATA-DGR UN 1307 XYLENES, 3, III


Toxicological datas
LD 50 oral LD50 rat 3910 mg/kg


Purity (GC) ≥ 99.5 %
Identity (IR-spectrum) conforms