244376

Sigma-Aldrich

5-Chloro-1-pentyne

98%

Linear Formula:
HC≡CCH2CH2CH2Cl
CAS Number:
Molecular Weight:
102.56
Beilstein/REAXYS Number:
1736710
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

assay

98%

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

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

F,Xi

Risk Statement

11-38

Safety Statement

23-24/25

RIDADR

UN 1993BF 3 / PGII

WGK Germany

WGK 3

Flash Point(F)

59.0 °F - closed cup

Flash Point(C)

15 °C - closed cup

Piers E, et al.
Canadian Journal of Chemistry, 71(3), 280-286 (1993)
Copper-promoted cycloaddition of diazocarbonyl compounds and acetylides.
Xiangbing Qi et al.
Angewandte Chemie (International ed. in English), 46(18), 3242-3244 (2007-03-23)

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