465305

1-Chloro-2-ethynylbenzene

98%

• Synonym(s): (2-Chlorophenyl)acetylene
• Linear Formula: ClC₆H₄C≡CH
• CAS Number: 873-31-4
• Molecular Weight: 136.58
• MDL number: MFCD00269951
• UNSPSC Code: 12352100
• PubChem Substance ID: 24870265
• NACRES: NA.22

Properties

• Assay: 98%
• refractive index: n20/D 1.5710 (lit.)
• bp: 82 °C/12 mmHg (lit.)
• density: 1.125 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: Clc1ccccc1C#C
• InChI: 1S/C8H5Cl/c1-2-7-5-3-4-6-8(7)9/h1,3-6H
• InChI key: DGLHLIWXYSGYBI-UHFFFAOYSA-N

Description

General description

1-Chloro-2-ethynylbenzene is a chlorinated benzene derivative.

Application

1-Chloro-2-ethynylbenzene may be used in the synthesis of 4-(2-chlorophenylethynyl)-3-methyl-5-phenylisoxazole.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 158.0 °F - closed cup
• Flash Point(C): 70 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves