244376

5-Chloro-1-pentyne

98%

• Synonym(s): (3-Chloropropyl)acetylene, 1-Chloro-4-pentyne, 4-Pentynyl chloride
• Linear Formula: HC≡CCH₂CH₂CH₂Cl
• CAS Number: 14267-92-6
• Molecular Weight: 102.56
• Beilstein: 1736710
• EC Number: 238-159-5
• MDL number: MFCD00001014
• UNSPSC Code: 12352100
• PubChem Substance ID: 24854670
• NACRES: NA.22

Properties

• 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

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.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H315
• Precautionary Statements: P210 - P302 + P352
• 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