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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:
2243422
EC Number:
216-287-2
MDL number:
MFCD00010326
UNSPSC Code:
12352100
PubChem Substance ID:
24856059
NACRES:
NA.22

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.)

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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General description

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

Application

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

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319,H335

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)

131.0 °F - closed cup

Flash Point(C)

55 °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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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
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)

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