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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

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

91.4 °F - closed cup

Flash Point(C)

33 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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