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8.20963

1-Pentyne

for synthesis

Synonym(s):

1-Pentyne, Propylacetylene

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About This Item

Empirical Formula (Hill Notation):
C5H8
CAS Number:
627-19-0
Molecular Weight:
68.12
EC Index Number:
210-987-1
UNSPSC Code:
12352003
MDL number:
MFCD00009469
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vapor pressure

467 hPa ( 20 °C)

assay

≥98.0% (GC)

bp

39-41 °C/1013 hPa

mp

-106 °C

transition temp

flash point -20 °C

solubility

1.05 g/L

density

0.69-0.7 g/cm3 at 20 °C

storage temp.

2-8°C

InChI

1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3

InChI key

IBXNCJKFFQIKKY-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.690 - 0.700
Identity (IR): passes test

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-4.0 °F - closed cup

flash_point_c

-20 °C - closed cup

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