| Identification | More | [Name]
1-PENTYNE | [CAS]
627-19-0 | [Synonyms]
1-PENTYNE
n-Propyl acetylene
PROPYLACETYLENE
Acetylene, propyl-
C3H7CequivCH
pent-1-yne
1-PENTYNE 98+%
1-Pentyne (6CI, 8CI, 9CI)
1-Pentyne,99%
1-Pentin
l-pentyne | [EINECS(EC#)]
210-987-1 | [Molecular Formula]
C5H8 | [MDL Number]
MFCD00009469 | [Molecular Weight]
68.12 | [MOL File]
627-19-0.mol |
| Chemical Properties | Back Directory | [Appearance]
Clear colorless to pale yellow liquid | [Melting point ]
-106 °C | [Boiling point ]
40 °C(lit.) | [density ]
0.691 g/mL at 25 °C(lit.)
| [vapor pressure ]
6.8 psi ( 20 °C)
| [refractive index ]
n20/D 1.385(lit.)
| [Fp ]
-34°C | [storage temp. ]
2-8°C
| [solubility ]
1.05g/l | [form ]
Liquid | [color ]
Clear colorless to pale yellow | [Water Solubility ]
Soluble in water. (1.05 g/L) at 20°C. | [BRN ]
1697133 | [CAS DataBase Reference]
627-19-0(CAS DataBase Reference) | [EPA Substance Registry System]
1-Pentyne (627-19-0) |
| Safety Data | Back Directory | [Hazard Codes ]
F,Xn | [Risk Statements ]
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R65:Harmful: May cause lung damage if swallowed. | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label . | [RIDADR ]
UN 3295 3/PG 2
| [WGK Germany ]
3
| [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
II | [HS Code ]
29012900 |
| Hazard Information | Back Directory | [Chemical Properties]
Clear colorless to pale yellow liquid | [Uses]
1-Pentyne has been used in preparation of:
- lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides
- 7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans
| [Uses]
1-Pentyne has been used in preparation of:lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides. It is also used to synthesize 7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans. | [General Description]
Selective and non-selective hydrogenation of 1-pentyne catalyzed by silica-supported palladium has been studied by in situ X-ray absorption spectroscopy. | [Safety Profile]
Dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS |
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