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Basic Information
| CAS No.: | 56962-11-9 |
|---|---|
| Name: | 2-Chloro-4-hydroxybenzaldehyde |
| Article Data: | 14 |
| Molecular Structure: | |
|
|
|
| Formula: | C7H5ClO2 |
| Molecular Weight: | 156.569 |
| Synonyms: | o-Chloro-p-hydroxybenzaldehyde; |
| Density: | 1.404 g/cm3 |
| Melting Point: | 145-147 °C(lit.) |
| Boiling Point: | 272.492 °C at 760 mmHg |
| Flash Point: | 118.599 °C |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 37.30000 |
| LogP: | 1.85810 |
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Synthetic route
- 3336-16-1
2-chloro-4-hydroxybenzonitrile
- 56962-11-9
2-chloro-4-hydroxybenzaldehyde
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: 2-chloro-4-hydroxybenzonitrile With diisobutylaluminium hydride In tetrahydrofuran; hexane at -78 - 20℃; for 19h; Stage #2: With hydrogenchloride In tetrahydrofuran; hexane; water at 0℃; | 84% |
| With diisobutylaluminium hydride In tetrahydrofuran; hexane at -78 - 20℃; for 3h; | |
| Stage #1: 2-chloro-4-hydroxybenzonitrile With diisobutylaluminium hydride In hexane; chloroform at -50℃; for 1.5h; Stage #2: With hydrogenchloride In methanol; water |
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: 3-monochlorophenol; chloroform With calcium hydroxide; water; sodium carbonate for 4.33333h; Heating / reflux; Stage #2: With hydrogenchloride In chloroform; water | 16% |
| With water; sodium carbonate; calcium hydroxide for 4.33333h; Inert atmosphere; Reflux; | 15.3% |
| With sodium carbonate; calcium hydroxide In water for 3h; Reflux; Inert atmosphere; | 15.3% |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; aluminium trichloride; benzene at 30℃; Durch Erhitzen des Reaktionsproduktes mit verd. Salzsaeure; |
- 121-86-8
2-chloro-4-nitrotoluene
- 56962-11-9
2-chloro-4-hydroxybenzaldehyde
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide; sulfur Diazotieren des Reaktionsproduktes und nachfolgendes Kochen mit 40prozentiger Schwefelsaeure; |
- 874-42-0
2,4-dichlorobenzaldeyhde
- 56962-11-9
2-chloro-4-hydroxybenzaldehyde
Conditions
| Conditions | Yield |
|---|---|
| With potassium carbonate at 220℃; unter Druck; |
- 108-43-0
3-monochlorophenol
- 76-03-9
trichloroacetic acid
A
- 2420-26-0
4-chlorosalicylaldehyde
B
- 56962-11-9
2-chloro-4-hydroxybenzaldehyde
Conditions
| Conditions | Yield |
|---|---|
| With potassium hydroxide; water |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide Mengenverhaeltnis zwischen den Produkten; | |
| With extinguished lime; sodium carbonate; calcium carbonate |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide Mengenverhaeltnis zwischen den Produkten; |
...Expand
- 108-43-0
3-monochlorophenol
- 76-03-9
trichloroacetic acid
A
- 2420-26-0
4-chlorosalicylaldehyde
B
- 56962-11-9
2-chloro-4-hydroxybenzaldehyde
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With ammonium hydroxide In methanol; water at 0 - 20℃; for 28h; Inert atmosphere; | 100% |
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2-Chloro-4-hydroxybenzaldehyde
Chemistry
The Molecular formula of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9): C7H5ClO2
The Molecular Weight of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9): 156.57
The Molecular Structure of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9):
Melting point: 145-147 °C(lit.)
Boiling Point: 272.5 °C at 760 mmHg
Flash Point: 118.6 °C
Index of Refraction: 1.632
Molar Refractivity: 39.78 cm3
Molar Volume: 111.4 cm3
Polarizability: 15.77 10-24 cm3
Surface Tension: 54.7 dyne/cm
Density: 1.404 g/cm3
Enthalpy of Vaporization: 53.13 kJ/mol
Vapour Pressure: 0.00363 mmHg at 25°C
Synonyms: Benzaldehyde, 2-chloro-4-hydroxy-;2-CHLORO-4-HYDROXYBENZALDEHYDE;TIMTEC-BB SBB004014;
The Molecular Weight of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9): 156.57
The Molecular Structure of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9):
Melting point: 145-147 °C(lit.)
Boiling Point: 272.5 °C at 760 mmHg
Flash Point: 118.6 °C
Index of Refraction: 1.632
Molar Refractivity: 39.78 cm3
Molar Volume: 111.4 cm3
Polarizability: 15.77 10-24 cm3
Surface Tension: 54.7 dyne/cm
Density: 1.404 g/cm3
Enthalpy of Vaporization: 53.13 kJ/mol
Vapour Pressure: 0.00363 mmHg at 25°C
Synonyms: Benzaldehyde, 2-chloro-4-hydroxy-;2-CHLORO-4-HYDROXYBENZALDEHYDE;TIMTEC-BB SBB004014;
Safety Profile
The Hazard Codes of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9): 
Xi
The Risk Statements information of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9):
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements information of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9):
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37/39: Wear suitable gloves and eye/face protection
WGK Germany: 3
Xi The Risk Statements information of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9):
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements information of 2-Chloro-4-hydroxybenzaldehyde(56962-11-9):
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37/39: Wear suitable gloves and eye/face protection
WGK Germany: 3