1-Pentyne, 99%

Description

CAS: 627-19-0 | C5H8 | 68.12 g/mol

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.

Applications
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

Chemical Identifiers

• CAS: 627-19-0
• Molecular Formula: C5H8
• Molecular Weight (g/mol): 68.12
• MDL Number: MFCD00009469
• InChI Key: IBXNCJKFFQIKKY-UHFFFAOYSA-N
• Synonym: 1-pentyne, propylacetylene, pentyne, acetylene, propyl, pentin, pentyn, 1-n-pentyne, pent-1-yn-1-yl, acmc-1cuk3
• PubChem CID: 12309
• IUPAC Name: pent-1-yne
• SMILES: CCCC#C

• 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
• Solubility Information: Soluble in water. (1.05g/L) at 20°C.
• Formula Weight: 68.12
• Percent Purity: 99%
• Chemical Name or Material: 1-Pentyne

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

SDS

RUO – Research Use Only