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672882

Sigma-Aldrich

3,4-Difluorophenylacetylene

90%

Synonym(s):

4-Ethynyl-1,2-difluorobenzene

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About This Item

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

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

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT2391
MKBZ2088V
MKBR8960V
MKBJ8457V
MKBB6607V

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