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LC4538 Phenylacetylene
for synthesis


Order number Packaging Quantity Price €
AC31538 Glass bottle 25 ml 17.37
AC31538 Glass bottle 100 ml 60.30


Product information
Synonyms Ethynylbenzene
Hill Formula C8H6
HS Code 2902 90 00
EC number 208-645-1
Molar mass 102.13 g/mol
Storage Store at +2°C to +8°C.
CAS number 536-74-3


Chemical and physical data
Solubility 0.46 g/l (25 °C)
Melting point -44.8 °C
Molar mass 102.13 g/mol
Density 0.93 g/cm3 (20 °C)
Boiling point 142 – 144 °C (1013 hPa)
Vapor pressure 2.7 hPa (25 °C)
Flash point 30 °C
Refractive index 1.547 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H226: Flammable liquid and vapour.
H304: May be fatal if swallowed and enters airways.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) P210: Keep away from heat.
P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P331: Do NOT induce vomiting.
Signal Word Danger
Hazard Pictogram(s)

Storage class 3 Flammable Liquids
WGK WGK 2 water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Safety information
R Phrase R 10-36/37-65
Flammable.Irritating to eyes and respiratory system.Harmful: may cause lung damage if swallowed.
S Phrase S 26-62
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label.
Categories of danger flammable, irritant, harmful
Hazard Symbol Harmful


Transport information
Declaration (transport by sea) IMDG-Code UN 1993 FLAMMABLE LIQUID, N.O.S.(PHENYLACETYLENE), 3, III
Declaration (transport by air) IATA-DGR UN 1993 FLAMMABLE LIQUID, N.O.S.(PHENYLACETYLENE), 3, III


Assay (GC, area%) ≥ 97 %
Density (d 20 °C/ 4 °C) 0.931 – 0.934
Identity (IR) passes test