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:
Molecular Weight:
68.12
EC Index Number:
210-987-1
UNSPSC Code:
12352003
MDL number:
InChI
1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3
InChI key
IBXNCJKFFQIKKY-UHFFFAOYSA-N
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
Analysis Note
Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.690 - 0.700
Identity (IR): passes test
Density (d 20 °C/ 4 °C): 0.690 - 0.700
Identity (IR): passes test
signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
-4.0 °F
flash_point_c
-20 °C
Regulatory Information
危险化学品
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