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D102008

Sigma-Aldrich

1,3-Difluorobenzene

≥99%

Synonym(s):

1,3-Bisfluorobenzene, 1,3-Difluorobenzene, 2,4-Difluorobenzene, m-Difluorobenzene

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About This Item

Empirical Formula (Hill Notation):
C6H4F2
CAS Number:
372-18-9
Molecular Weight:
114.09
Beilstein:
1904537
EC Number:
206-746-5
MDL number:
MFCD00000327
UNSPSC Code:
12352100
PubChem Substance ID:
24893323
NACRES:
NA.22

Assay

≥99%

form

liquid

refractive index

n20/D 1.438 (lit.)

bp

82 °C (lit.)

density

1.163 g/mL at 25 °C (lit.)

SMILES string

Fc1cccc(F)c1

InChI

1S/C6H4F2/c7-5-2-1-3-6(8)4-5/h1-4H

InChI key

UEMGWPRHOOEKTA-UHFFFAOYSA-N

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Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

Precautionary Statements

P210

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

35.6 °F

Flash Point(C)

2 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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D Gala et al.
Journal of pharmaceutical sciences, 81(12), 1199-1203 (1992-12-01)
Alpha-Hydroxyaryl ketones such as 2-hydroxypropiophenone and 1-(2,4-difluorophenyl)-2-hydroxy-1-propanone, the key intermediates in the preparation of antifungal agents, decompose into oxidized, rearranged, and condensed products. These products were isolated and characterized. The possible mechanisms for the formation of the products are discussed.
Aujin Kim et al.
The Journal of organic chemistry, 71(5), 2170-2172 (2006-02-25)
A short, high-yielding synthesis of differentially substituted resorcinol derivatives has been developed that utilizes 1,3-difluorobenzene as the starting material and employs sequential nucleophilic aromatic substitution (S(N)Ar) reactions to generate desymmetrized products. The scope and limitations of the second S(N)Ar reaction

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