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Key Documents

590177

Sigma-Aldrich

1-Ethynyl-3,5-difluorobenzene

97%

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About This Item

Linear Formula:
F2C6H3C≡CH
CAS Number:
Molecular Weight:
138.11
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

97%

form

liquid

refractive index

n20/D 1.4910 (lit.)

bp

123-124 °C (lit.)

density

1.163 g/mL at 25 °C (lit.)

SMILES string

Fc1cc(F)cc(c1)C#C

InChI

1S/C8H4F2/c1-2-6-3-7(9)5-8(10)4-6/h1,3-5H

InChI key

OTDGZDMGSFBZLI-UHFFFAOYSA-N

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

91.4 °F - closed cup

flash_point_c

33 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Articles

The terminal alkyne functionality has a wide range of applications including most recently the synthesis of spiropyran substituted 2,3-dicyanopyrazines and (±)-asteriscanolide, as well as conversion to enamines using resin-bound 2° amines.

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