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244376

Sigma-Aldrich

5-Chloro-1-pentyne

98%

Linear Formula:
HC≡CCH2CH2CH2Cl
CAS Number:
Molecular Weight:
102.56
Beilstein:
1736710
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

form

liquid

refractive index

n20/D 1.444 (lit.)

bp

67-69 °C/145 mmHg (lit.)

density

0.968 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

ClCCCC#C

InChI

1S/C5H7Cl/c1-2-3-4-5-6/h1H,3-5H2

InChI key

UXFIKVWAAMKFQE-UHFFFAOYSA-N

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Application

5-Chloro-1-pentyne was used in the synthesis of 5-chloro-2-trimethylstannyl-1-pentene by reacting with Me3SnCu.Me2S. It was also used with α-diazoesters in a copper-catalyzed synthesis of pyrazoles.

Packaging

5, 25 g in glass bottle

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Liq. 2 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

59.0 °F - closed cup

Flash Point(C)

15 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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