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Home > Encyclopedia > 2-Chloro-4-hydroxybenzaldehyde

2-Chloro-4-hydroxybenzaldehyde

2-Chloro-4-hydroxybenzaldehyde structure

2-Chloro-4-hydroxybenzaldehyde 

structure
  • CAS No:

    56962-11-9

  • Formula:

    C7H5ClO2

  • Chemical Name:

    2-Chloro-4-hydroxybenzaldehyde

  • Synonyms:

    Benzaldehyde,2-chloro-4-hydroxy-;2-Chloro-4-hydroxybenzaldehyde;o-Chloro-p-hydroxybenzaldehyde;3-Chloro-4-formylphenol

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

2-Chloro-4-hydroxybenzaldehyde Basic Attributes

156.57

156.57

2913000090

Characteristics

37.3

2.2

1.4±0.1 g/cm3

144-145 °C

272.5°C at 760 mmHg

118.6±21.8 °C

1.632

soluble in organic solvents.

Safety Information

NONH for all modes of transport

3

36/37/38

26-37/39

Xi

P261-P305 + P351 + P338

H315-H319-H335

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 41 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2-Chloro-4-hydroxybenzaldehyde Use and Manufacturing

Diisobutylaluminium hydride (1M in hexane, 240 mL, 240 mmol) was added to a solution of 2-chloro-4-hydroxybenzonitrile (15 g, 97.7 mmol) in tetrahydrofuran (200 mL), cooled to -78° C., and the mixture was stirred at this temperature for 1 hour then at room temperature for 18 hours. lntermediate 14; 2-Chloro-4-hydroxybenzaldehyde. 3-Ghlorophenol (CAS 108-43-0)(49.2 g, 0.380 mol), calcium hydroxide (122.0 g), and sodium carbonate (139.4 g) were suspended in water (872 mL). Chloroform (90.6 g, 0.760 mol) was added for 80 min, and the mixture was refluxed under vigorous stirring for 3 h. The reaction mixture was cooled on ice bath. Concentrated HCI (385 mL) and chloroform (300 mL) were added. The aqueous layer was discarded. The organic one was dried with anhydrous NaTo a solution of compound B7 (150 g, 1.17 mol), calcium hydroxide (375 g, 5.07 mol), and sodium carbonate (420 g, 3.96 mol) in 1.5 L of water was added chloroform (270 g, 2.29 mol) for 80 min, and the mixture was refluxed under NSynthesis of Compound B8: To a solution of compound B7 (150 g, 1.17 mol), calcium hydroxide (375 g, 5.07 mol), and sodium carbonate (420 g, 3.96 mol) in 1.5 L of water was added chloroform (270 g, 2.29 mol) for 80 min, and the mixture was refluxed under N

Computed Properties

Molecular Weight:156.56
XLogP3:2.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:155.9978071
Monoisotopic Mass:155.9978071
Topological Polar Surface Area:37.3
Heavy Atom Count:10
Complexity:127
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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