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244473

4-Octyne

99%

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About This Item

Linear Formula:
CH3CH2CH2C≡CCH2CH2CH3
CAS Number:
1942-45-6
Molecular Weight:
110.20
NACRES:
NA.22
PubChem Substance ID:
24854679
eCl@ss:
39010412
UNSPSC Code:
12352100
EC Number:
217-730-2
MDL number:
MFCD00009471
Beilstein/REAXYS Number:
1732138
Assay:
99%
Form:
liquid
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vapor pressure

35 mmHg ( 37.7 °C)

Quality Segment

assay

99%

form

liquid

refractive index

n20/D 1.425 (lit.)

bp

131-132 °C (lit.)

mp

−103 °C (lit.)

density

0.751 g/mL at 25 °C (lit.)

SMILES string

CCCC#CCCC

InChI

1S/C8H14/c1-3-5-7-8-6-4-2/h3-6H2,1-2H3

InChI key

GZTNBKQTTZSQNS-UHFFFAOYSA-N

General description

4-Octyne, also known as dipropylethyne can be used as a versatile building block in organic synthesis. The kinetics of the stereoselective semi-hydrogenation of 4-octyne (in tetrahydrofuran) was studied.

Application

4-Octyne, an electron-rich dialkylacetylene, was used in the synthesis of highly substituted 1,3-dienes.

Signal Word

Danger

Hazard Classifications

Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

Target Organs

Respiratory system

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

84.2 °F - closed cup

Flash Point (°C)

29 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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