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CAS No.: | 5274-70-4 |
---|---|
Name: | 3-Nitrosalicylaldehyde |
Article Data: | 36 |
Molecular Structure: | |
Formula: | C7H5NO4 |
Molecular Weight: | 167.121 |
Synonyms: | Salicylaldehyde,3-nitro- (6CI,7CI,8CI);2-Hydroxy-3-nitrobenzaldehyde;3-Nitro-2-hydroxybenzaldehyde;NSC 38026; |
EINECS: | 226-098-7 |
Density: | 1.5 g/cm3 |
Melting Point: | 105-109 °C(lit.) |
Boiling Point: | 227.8 °C at 760 mmHg |
Flash Point: | 99.2 °C |
Solubility: | slightly soluble in water |
Appearance: | yellow to brown crystalline powder |
Hazard Symbols: | Xi,Xn |
Risk Codes: | 36/37/38-22-20/21/22 |
Safety: | 26-36-36/37/39 |
PSA: | 83.12000 |
LogP: | 1.63610 |
Conditions | Yield |
---|---|
With 1,3,5-trichloro-2,4,6-triazine; zinc(II) nitrate hexahydrate In acetonitrile at 20℃; for 1.66667h; regioselective reaction; | 90% |
With 1,3,5-trichloro-2,4,6-triazine In acetonitrile at 20℃; for 0.833333h; regioselective reaction; | 80% |
With uronium nitrate In water; acetonitrile at 80℃; for 0.75h; Microwave irradiation; regioselective reaction; | 62% |
With nitric acid; acetic acid at 0 - 40℃; for 7h; | 26% |
(nitration); |
3-nitro-2-hydroxybenzaldoxime
3-nitrosalicylic aldehyde
Conditions | Yield |
---|---|
With zirconium hydrogen sulfate; silica gel In hexane for 4.5h; Heating; | 85% |
Conditions | Yield |
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at -30℃; for 0.05h; microwave irradiation; | 65% |
Conditions | Yield |
---|---|
With nitric acid; acetic acid | A n/a B 47% |
With nitric acid; acetic acid at 15℃; Man laesst dann die Temperatur des Gemisches auf 40-45gradC steigen und giesst schnell in Eiswasser. Man kann beiden Aldehyde in Form der Natriumsalze, Bariumsalze, oder durch NaHSO3 trennen.; | |
With water; nitric acid | |
With nitric acid; acetic acid at 15℃; Man laesst dann die Temperatur des Gemisches auf 40-45gradC steigen und giesst schnell in Eiswasser. Man kann die beiden Aldehyde in Form der Natriumsalze, Bariumsalze oder durch NaHSO3 trennen.; | |
With trifluoromethylsulfonic anhydride; ethylammonium nitrate at 0 - 20℃; for 0.5h; Inert atmosphere; | A 42 %Chromat. B 58 %Chromat. |
2-acetoxy-1-diacetoxymethyl-3-nitro-benzene
3-nitrosalicylic aldehyde
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sodium hydroxide; ethanol |
2-methyl-7-nitrobenzofuran
3-nitrosalicylic aldehyde
Conditions | Yield |
---|---|
With dimethylsulfide; ozone 1.) CH2Cl2, -78 deg C, 15 min, 2.) CH2Cl2, RT, 1 h; Yield given. Multistep reaction; |
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IUPAC Name: 2-Hydroxy-3-nitrobenzaldehyde
Following is the structure of Benzaldehyde,2-hydroxy-3-nitro- (CAS NO.5274-70-4):
Empirical Formula: C7H5NO4
Molecular Weight: 167.1189 g/mol
EINECS: 226-098-7
Index of Refraction: 1.666
Molar Refractivity: 41.43 cm3
Molar Volume: 111.3 cm3
Density: 1.5 g/cm3
Flash Point: 99.2 °C
Melting point :105-110 °C
Surface Tension: 70.5 dyne/cm
Enthalpy of Vaporization: 48.32 kJ/mol
Boiling Point of Benzaldehyde,2-hydroxy-3-nitro- (CAS NO.5274-70-4): 227.8 °C at 760 mmHg
Vapour Pressure of Benzaldehyde,2-hydroxy-3-nitro- (CAS NO.5274-70-4): 0.0506 mmHg at 25 °C
Water solubility of Benzaldehyde,2-hydroxy-3-nitro- (CAS NO.5274-70-4): slightly soluble
Canonical SMILES: C1=CC(=C(C(=C1)[N+](=O)[O-])O)C=O
InChI: InChI=1S/C7H5NO4/c9-4-5-2-1-3-6(7(5)10)8(11)12/h1-4,10H
InChIKey: NUGOTBXFVWXVTE-UHFFFAOYSA-N
Hazard Symbols: Xn
Risk Codes: 22-36/37/38
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Description: 26-36/37/39
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.
Benzaldehyde,2-hydroxy-3-nitro-, its cas register number is 5274-70-4. It also can be called 2-Hydroxy-3-nitrobenzaldehyde ; 3-Nitro-2-hydroxybenzaldehyde ; 3-Nitrosalicylaldehyde ; and Salicylaldehyde, 3-nitro- .