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8.07044

Sigma-Aldrich

Phenylacetylene

for synthesis

Synonym(s):

Phenylacetylene, Ethynylbenzene

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About This Item

Empirical Formula (Hill Notation):
C8H6
CAS Number:
536-74-3
Molecular Weight:
102.13
MDL number:
MFCD00008570
UNSPSC Code:
12352005
EC Index Number:
208-645-1
NACRES:
NA.22

vapor pressure

2.7 hPa ( 25 °C)

Quality Level

200

Assay

≥97.0% (GC)

form

liquid

bp

142-144 °C/1013 hPa

mp

-44.8 °C

transition temp

flash point 27 °C

density

0.93 g/cm3 at 20 °C

storage temp.

2-8°C

InChI

1S/C8H6/c1-2-8-6-4-3-5-7-8/h1,3-7H

InChI key

UEXCJVNBTNXOEH-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.929 - 0.934
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

80.6 °F - closed cup

Flash Point(C)

27 °C - closed cup

Certificates of Analysis (COA)

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