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265179

Sigma-Aldrich

2,4-Difluorobenzaldehyde

98%

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About This Item

Linear Formula:
F2C6H3CHO
CAS Number:
1550-35-2
Molecular Weight:
142.10
Beilstein/REAXYS Number:
2243422
EC Number:
216-287-2
MDL number:
MFCD00010326
UNSPSC Code:
12352100
PubChem Substance ID:
24856059
NACRES:
NA.22

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Quality Level

100

assay

98%

form

liquid

refractive index

n20/D 1.498 (lit.)

bp

65-66 °C/17 mmHg (lit.)

mp

2-3 °C (lit.)

density

1.299 g/mL at 25 °C (lit.)

functional group

aldehyde
fluoro

SMILES string

[H]C(=O)c1ccc(F)cc1F

InChI

1S/C7H4F2O/c8-6-2-1-5(4-10)7(9)3-6/h1-4H

InChI key

WCGPCBACLBHDCI-UHFFFAOYSA-N

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1 of 4

This Item
265187290173265152
2,4-Difluorobenzaldehyde 98%

Sigma-Aldrich

265179

2,4-Difluorobenzaldehyde

2,5-Difluorobenzaldehyde 98%

Sigma-Aldrich

265187

2,5-Difluorobenzaldehyde

3,5-Difluorobenzaldehyde 98%

Sigma-Aldrich

290173

3,5-Difluorobenzaldehyde

2,6-Difluorobenzaldehyde 98%

Sigma-Aldrich

265152

2,6-Difluorobenzaldehyde

assay

98%

assay

98%

assay

98%

assay

98%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

mp

2-3 °C (lit.)

mp

-

mp

-

mp

15-17 °C (lit.)

bp

65-66 °C/17 mmHg (lit.)

bp

67-69 °C/17 mmHg (lit.)

bp

-

bp

82-84 °C/15 mmHg (lit.)

form

liquid

form

liquid

form

-

form

liquid

refractive index

n20/D 1.498 (lit.)

refractive index

n20/D 1.498 (lit.)

refractive index

n20/D 1.493 (lit.)

refractive index

n20/D 1.502 (lit.)

General description

The emission and absorption spectra of 2,4-difluorobenzaldehyde were studied[1].

Application

2,4-Difluorobenzaldehyde was used in the synthesis of 3-benzylidene 20,29-dihydrobetulinic acid derivatives[2].

pictograms

FlameExclamation mark
GHS02,GHS07

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

131.0 °F - closed cup

flash_point_c

55 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB0861
STBK8630
STBK1690
STBH1193
STBG2374V

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Spectroscopy and dynamics of the excited singlet and triplet states of 2, 3-, 2, 4-and 2, 5-difluorobenzaldehyde vapors.
Itoh, T.
Journal of Molecular Spectroscopy, 257(2), 170-176 (2009)
Rama Mukherjee et al.
Bioorganic & medicinal chemistry letters, 14(12), 3169-3172 (2004-05-20)
New 3-O-acyl, 3-benzylidene, 3-hydrazone, 3-hydrazine, 17-carboxyacryloyl ester derivatives of betulinic acid (2-6, 8-11, 13, 17, 18, 21, and 22) were synthesized and evaluated in vitro for anti-angiogenic activity on endothelial cell cytotoxicity, specificity, and tube-formation ability. All derivatives reported here

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