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244376

5-Chloro-1-pentyne

Name: 5-Chloro-1-pentyne
Brand: ALDRICH

98%

Synonym(s):

(3-Chloropropyl)acetylene, 1-Chloro-4-pentyne, 4-Pentynyl chloride

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About This Item

Linear Formula:

HC≡CCH₂CH₂CH₂Cl

CAS Number:

14267-92-6

Molecular Weight:

102.56

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24854670

EC Number:

238-159-5

Beilstein/REAXYS Number:

1736710

MDL number:

MFCD00001014

Assay:

98%

Form:

liquid

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Properties

Quality Segment

100

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.)

functional group

alkyl halide, chloro

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

Description

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.

Pictograms

GHS02,GHS07

Signal Word

Danger

Hazard Codes

H225,H315

Precautionary Statements

P210 - P302 + P352

Hazard Classifications

Flam. Liq. 2 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

59.0 °F - closed cup

Flash Point (°C)

15 °C - closed cup

PPE (personal protective equipment)

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

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