2-Butyne, 98%, Thermo Scientific Chemicals

Description

2-Butyne is used to synthesize alkylated hydroquinones in the total synthesis of Vitamin E. It is also used as pharmaceutical intermediates.

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
2-Butyne is used to synthesize alkylated hydroquinones in the total synthesis of Vitamin E. It is also used as pharmaceutical intermediates.

Solubility
Not miscible in water.

Notes
Avoid extremes of temperature and direct sunlight. Heat-sensitive. Avoid contact with oxidizing materials. Incompatible with Halogens. Chlorinated solvents.

Specifications

Chemical Identifiers

• CAS: 503-17-3
• Molecular Formula: C4H6
• Molecular Weight (g/mol): 54.092
• MDL Number: MFCD00009275
• InChI Key: XNMQEEKYCVKGBD-UHFFFAOYSA-N
• Synonym: 2-butyne, dimethylacetylene, crotonylene, unii-lke6d3018e, ch3cequivcch3, 1,2-dimethylvinylene, 1-methyl-1-propynyl, 2-butyn, acmc-209kl9
• PubChem CID: 10419
• IUPAC Name: but-2-yne
• SMILES: CC#CC

• Melting Point: -32°C
• Density: 0.69
• Boiling Point: 24°C to 27°C
• Flash Point: −49°C (−56°F)
• Odor: Recognizable
• Refractive Index: 1.392
• Quantity: 100 g
• UN Number: UN3295
• Beilstein: 1361340
• Solubility Information: Not miscible in water.
• Formula Weight: 54.09
• Percent Purity: 98%
• Chemical Name or Material: 2-Butyne

Safety and Handling

Hazard Category	H224-H315-H319-H335
Hazard Statement	GHS H Statement H224-H315-H319-H335 Extremely flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: I; Proper Shipping Name: HYDROCARBONS, LIQUID, N.O.S.
EINECSNumber	207-962-2
TSCA	Yes
Recommended Storage	Keep cold

SDS

RUO – Research Use Only