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1-Pentyne, 99%
Description
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.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
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.
Solubility
Soluble in water. (1.05 g/L) at 20°C.
Notes
Store at 2-8°C. Incompatible with oxidizing agents. Store away from heat.

Specifications
Specifications
Melting Point | -106°C |
Density | 0.692 |
Boiling Point | 39°C to 41°C |
Flash Point | −20°C (−4°F) |
Odor | Unpleasant |
Refractive Index | 1.386 |
Linear Formula | CH3CH2CH2C≡CH |
Quantity | 25 g |
UN Number | UN3295 |
Beilstein | 1697133 |
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Safety and Handling
Hazard Category | H304-H315-H319-H335 |
Hazard Statement | GHS H Statement H225-H304-H315-H319-H335 Highly flammable liquid and vapor. May be fatal if swallowed and enters airways. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. |
Precautionary Statement | P261-P264b-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P331-P332+P313-P362-P501c |
DOTInformation | Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: HYDROCARBONS, LIQUID, N.O.S. |
EINECSNumber | 210-987-1 |
TSCA | Yes |
Recommended Storage | Keep cold |
RUO – Research Use Only
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