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Merck
CN

35248

Sigma-Aldrich

2,3-Dichlorobenzaldehyde

≥98.0%

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About This Item

Linear Formula:
Cl2C6H3CHO
CAS Number:
6334-18-5
Molecular Weight:
175.01
Beilstein:
508198
EC Number:
228-711-3
MDL number:
MFCD00010127
UNSPSC Code:
12352100
PubChem Substance ID:
57649362
NACRES:
NA.22

Key Documents

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Assay

≥98.0%

mp

64-67 °C (lit.)

functional group

aldehyde
chloro

SMILES string

[H]C(=O)c1cccc(Cl)c1Cl

InChI

1S/C7H4Cl2O/c8-6-3-1-2-5(4-10)7(6)9/h1-4H

InChI key

LLMLNAVBOAMOEE-UHFFFAOYSA-N

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Application

2,3-Dichlorobenzaldehyde is suitable for use in the preparation of:
  • 4-(2,3-dichlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one, Schiff base
  • ethyl 4-(2,3-dichlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate via Biginelli condensation
  • benzyl 4-(2,3-dichlorophenyl)-1,3,6-trimethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H315,H317,H411

Hazard Classifications

Aquatic Chronic 2 - Skin Irrit. 2 - Skin Sens. 1A

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

275.0 °F - closed cup

Flash Point(C)

135 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
STBH1939
STBF5948V
STBC1985V
S60926V
STBB2988V

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Synthesis and reactions of Biginelli-compounds. Part 23.1 Chemoenzymatic syntheses of enantiomerically pure 4-aryl-3, 4-dihydropyrimidin-2 (1H)-ones.
Schnell B, et al.
Journal of the Chemical Society. Perkin Transactions 1, 24, 4382-4389 (2000)
4-(2, 3-Dichlorobenzylideneamino)-1, 5-dimethyl-2-phenyl-1H-pyrazol-3 (2H)-one.
Sun, Y-X., et al.
Acta Crystallographica Section E, Structure Reports Online, 62(10), o4613-o4615 (2006)

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