3-Methyl-1-butyne, 96%, Thermo Scientific Chemicals

Description

3-Methyl-1-butyne is a terminal alkyne that under goes hydrosilylation reaction using phenylsilane. 3-Methyl-1-butyne is used as an intermediate for pharmaceuticals, in cosmetics and in chemical research.

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
3-Methyl-1-butyne is a terminal alkyne that under goes hydrosilylation reaction using phenylsilane. 3-Methyl-1-butyne is used as an intermediate for pharmaceuticals, in cosmetics and in chemical research.

Solubility
Miscible with alcohol. Immiscible with water.

Notes
Store in cool place. Light and heat sensitive. Incompatible with strong oxidizing agents, acids and bases.

Specifications

Chemical Identifiers

• CAS: 598-23-2
• Molecular Formula: C5H8
• Molecular Weight (g/mol): 68.119
• MDL Number: MFCD00039853
• InChI Key: USCSRAJGJYMJFZ-UHFFFAOYSA-N
• Synonym: 3-methyl-1-butyne, 1-butyne, 3-methyl, isopentyne, isopropylacetylene, isopropyl acetylene, 3-methylbutyne, 2-methyl-3-butyne, 3-methyl-but-1-yne, 3-methyl,1-butyne
• PubChem CID: 69019
• ChEBI: CHEBI:87379
• IUPAC Name: 3-methylbut-1-yne
• SMILES: CC(C)C#C

• Density: 0.666
• Boiling Point: 30°C
• Flash Point: −30°C (−22°F)
• Refractive Index: 1.374
• Linear Formula: (CH₃)₂CHC≡CH
• Quantity: 5 g
• UN Number: UN3295
• Solubility Information: Miscible with alcohol. Immiscible with water.
• Formula Weight: 68.12
• Percent Purity: 97%
• Chemical Name or Material: 3-Methyl-1-butyne

Safety and Handling

Hazard Category	H224-H315-H319-H335
Hazard Statement	GHS H Statement H224-H315-H319-H335 Extremely flammable liquid and vapor. 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-P372-P374-P380-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: I; Proper Shipping Name: HYDROCARBONS, LIQUID, N.O.S.
EINECSNumber	209-925-6
RTECSNumber	PF9060500
TSCA	No
Recommended Storage	Keep cold

SDS

RUO – Research Use Only