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672882 Sigma-Aldrich

3,4-Difluorophenylacetylene

90%

Synonym: 4-Ethynyl-1,2-difluorobenzene

  • CAS Number 143874-13-9

  • Empirical Formula (Hill Notation) C8H4F2

  • Molecular Weight 138.11

  •  MDL number MFCD08059511

  •  PubChem Substance ID 24885132

  •  NACRES NA.22

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Properties

Related Categories Alkynes, Alkynyl Fluorinated Building Blocks, Building Blocks, Chemical Synthesis, Fluorinated Building Blocks,
Quality Level   100
assay   90%
refractive index   n20/D 1.4902
density   1.144 g/mL at 25 °C
SMILES string   Fc1ccc(cc1F)C#C
InChI   1S/C8H4F2/c1-2-6-3-4-7(9)8(10)5-6/h1,3-5H
InChI key   XFPAOXIWRDDQGG-UHFFFAOYSA-N

Description

Packaging

1 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 1993BE 3 / PGII
WGK Germany 
WGK 3
Flash Point(F) 
45.0 °F - closed cup
Flash Point(C) 
7.22 °C - closed cup

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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