Key Documents

View All Documentation

256560

1-Pentyne

Name: 1-Pentyne
Brand: ALDRICH

99%

Synonym(s):

Propylacetylene

Select a Size

Change View

About This Item

Linear Formula:

CH₃CH₂CH₂C≡CH

CAS Number:

627-19-0

Molecular Weight:

68.12

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24855537

EC Number:

210-987-1

Beilstein/REAXYS Number:

1697133

MDL number:

MFCD00009469

Assay:

99%

Form:

liquid

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

vapor pressure

6.8 psi ( 20 °C)

Quality Segment

100

assay

99%

form

liquid

refractive index

n20/D 1.385 (lit.)

bp

40 °C (lit.)

mp

−106-−105 °C (lit.)

density

0.691 g/mL at 25 °C (lit.)

SMILES string

CCCC#C

InChI

1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3

InChI key

IBXNCJKFFQIKKY-UHFFFAOYSA-N

Description

General description

Selective and non-selective hydrogenation of 1-pentyne catalyzed by silica-supported palladium has been studied by in situ X-ray absorption spectroscopy.

Application

1-Pentyne has been used in preparation of:

lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides
7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans

Pictograms

GHS02

Signal Word

Danger

Hazard Codes

H225

Precautionary Statements

P210 - P233 - P240 - P241 - P242 - P243

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

-4.0 °F - closed cup

Flash Point (°C)

-20 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library