1-Pentyne
CAS Number627-19-0
FormulaCH3CH2CH2C≡CH
Mol. Weight68.12 g/mol
1-Pentyne
What is 1-Pentyne?
1-Pentyne is a chemical compound with CAS number 627-19-0 and molecular formula CH3CH2CH2C≡CH. It is used in various industrial and research applications.
Applications
1-Pentyne has been used in preparation of:
• lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides1
• 7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans2
Specifications
Linear Formula
CH3CH2CH2C≡CH
Molecular Weight
68.12 g/mol
Assay/Purity
99%
Boiling Point
40 °C(lit.)
Density
0.691 g/mL at 25 °C(lit.)
Safety Information
GHS02
GHS07
GHS08Signal Word
Danger
Hazard Statements
H225-H304-H315-H319-H335
Precautionary Statements
P210-P261-P301 + P310-P305 + P351 + P338-P331
Required PPE
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
Melting Point
−106-−105 °C(lit.)
EC Number
210-987-1
WGK Germany
3