2,3-Dichlorobenzaldehyde , 98% , 6334-18-5

CAS NO.：6334-18-5

Empirical Formula: C7H4Cl2O

Molecular Weight: 175.01

MDL number: MFCD00010127

EINECS: 228-711-3

PRODUCT Properties

• Melting point: 64-67 °C (lit.)
• Boiling point: 143-145°C 30mm
• Density: 1.33
• refractive index: 1.5756 (estimate)
• Flash point: 135°C
• storage temp.: Keep in dark place,Sealed in dry,Room Temperature
• Water Solubility: Practically insoluble in water
• form: Crystalline Powder
• color: White
• PH: 4.17 at 23.5℃ and 10g/L
• Sensitive: Air Sensitive
• BRN: 508198
• InChI: 1S/C7H4Cl2O/c8-6-3-1-2-5(4-10)7(6)9/h1-4H
• InChIKey: LLMLNAVBOAMOEE-UHFFFAOYSA-N
• SMILES: [H]C(=O)c1cccc(Cl)c1Cl
• LogP: 2.6 at 30℃ and pH7.96
• CAS DataBase Reference: 6334-18-5(CAS DataBase Reference)
• EPA Substance Registry System: Benzaldehyde, 2,3-dichloro- (6334-18-5)

Description and Uses

2,3-Dichlorobenzaldehyde has been used in 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

Safety

• Symbol(GHS): GHS07,GHS09
• Signal word: Warning
• Hazard statements: H315-H317-H411
• Precautionary statements: P261-P264-P272-P273-P280-P302+P352
• PPE: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
• Hazard Codes: C,Xi
• Risk Statements: 34-36/37/38
• Safety Statements: 26-36/37/39-45-37/39
• RIDADR: UN 3261 8/PG 2
• WGK Germany: 2
• F: 10
• Hazard Note: Corrosive
• TSCA: TSCA listed
• HazardClass: 8
• PackingGroup: III
• HS Code: 29130000
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Aquatic Chronic 2; Skin Irrit. 2; Skin Sens. 1A
• Limited Quantities: 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)