Basic information
- Name:
2,3-Dichlorobenzaldehyde
- CAS No.:
6334-18-5
- Molecular Structure:

- Formula:
- C7H4Cl2O
- Molecular Weight:
- 175.01
- Synonyms:
- Benzaldehyde, 2,3-dichloro-;2,3-Dichlorobenzaldehyde (2,3-DCBA);
- EINECS:
- 228-711-3
- Density:
- 1.4 g/cm3
- Melting Point:
- 64-67 °C(lit.)
- Boiling Point:
- 242.9 °C at 760 mmHg
- Flash Point:
- 99.2 °C
- Appearance:
- white crystalline powder
- Hazard Symbols:
Xi,
C- Risk Codes:
- 34-36/37/38
- Safety Description:
- 26-36/37/39-45-37/39 Details
- Transport Information:
- UN 3261 8/PG 2
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Chemistry
Product Name: 2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5)

Molecular Formula: C7H4Cl2O
Molecular Weight: 175.01g/mol
Mol File: 6334-18-5.mol
EINECS: 228-711-3
Appearance: white crystalline powder
Melting Point: 64-67 °C(lit.)
Boiling point: 242.9 °C at 760 mmHg
Flash Point: 99.2 °C
Density: 1.4 g/cm3
Sensitive: Air Sensitive
Index of Refraction: 1.6
Molar Refractivity: 42.79 cm3
Molar Volume: 125 cm3
Surface Tension: 45.1 dyne/cm
Enthalpy of Vaporization: 47.99 kJ/mol
Vapour Pressure: 0.0331 mmHg at 25°C
XLogP3-AA: 3
H-Bond Donor: 0
H-Bond Acceptor: 1
Structure Descriptors of 2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5):
IUPAC Name: 2,3-dichlorobenzaldehyde
Canonical SMILES: C1=CC(=C(C(=C1)Cl)Cl)C=O
InChI: InChI=1S/C7H4Cl2O/c8-6-3-1-2-5(4-10)7(6)9/h1-4H
InChIKey: LLMLNAVBOAMOEE-UHFFFAOYSA-N
Product Categories: Aromatic Aldehydes & Derivatives (substituted); Felodipine; Aldehydes; C7; Carbonyl Compounds
Uses
2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5) is the Pharmaceutical Intermediates,and 2,3-Dichlorobenzaldehyde is used in the synthesis of FELODIPINE, CHLORINE-dimensional, the synthesis of Lamotrigine.
Safety Profile
Safety Information of 2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5):
Hazard Codes: C
,Xi
Risk Statements: 34-36/37/38
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-45-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S37/39:Wear suitable gloves and eye/face protection.
RIDADR: UN 3261 8/PG 2
WGK Germany: 2
F: 10
Hazard Note: Corrosive
HazardClass: 8
PackingGroup: III
HS Code: 29130000
Standards and Recommendations
Purity≥98.0% (GC)
Loss on drying ≤0.5%
Residue On Ignition≤0.5%
Specification
2,3-Dichlorobenzaldehyde , its CAS NO. is 6334-18-5, the synonyms are Benzaldehyde, 2,3-dichloro- ; Benzaldehyde, dichloro- ; Benzaldehyde, 2,3-dichloro- .

