672882

3,4-Difluorophenylacetylene

90%

• Synonym(s): 4-Ethynyl-1,2-difluorobenzene
• Empirical Formula (Hill Notation): C₈H₄F₂
• CAS Number: 143874-13-9
• Molecular Weight: 138.11
• MDL number: MFCD08059511
• UNSPSC Code: 12352100
• PubChem Substance ID: 24885132
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 90%
• refractive index: n20/D 1.4902
• density: 1.144 g/mL at 25 °C
• functional group: fluoro
• 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

Safety Information

• Pictograms: GHS02
• Signal Word: Danger
• Hazard Statements: H225
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P243
• Hazard Classifications: Flam. Liq. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 45.0 °F - closed cup
• Flash Point(C): 7.22 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves