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CAS No.: | 5959-52-4 |
---|---|
Name: | 3-Amino-2-naphthoic acid |
Article Data: | 21 |
Molecular Structure: | |
Formula: | C11H9NO2 |
Molecular Weight: | 187.198 |
Synonyms: | 2-Naphthoicacid, 3-amino- (6CI,7CI,8CI);2-Amino-3-carboxynaphthalene;2-Amino-3-naphthoicacid;2-Aminonaphthalene-3-carboxylic acid;3-Amino-2-naphthalenecarboxylicacid;3-Amino-2-naphthoic acid;NSC 37061;b-Naphthylamine-3-carboxylic acid; |
EINECS: | 227-726-2 |
Density: | 1.352 g/cm3 |
Melting Point: | 212-215 °C (dec.)(lit.) |
Boiling Point: | 384.9 °C at 760 mmHg |
Flash Point: | 186.6 °C |
Solubility: | Soluble in alcohol and ether. Insoluble in water. |
Appearance: | yellow-green to green powder |
Hazard Symbols: | Xi |
Risk Codes: | 22-36/37/38 |
Safety: | 26-36 |
PSA: | 63.32000 |
LogP: | 2.70140 |
3-(tert-butoxycarbonylamino)naphthalene-2-carboxylic acid
2-Amino-3-naphthoic acid
Conditions | Yield |
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With trifluoroacetic acid In dichloromethane at 20℃; for 24h; | 99% |
Conditions | Yield |
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With ammonium hydroxide; zinc(II) chloride at 195℃; under 10351 - 20477 Torr; for 72h; Autoclave; | 87.5% |
With ammonium hydroxide; zinc(II) chloride at 30 - 195℃; under 15001.5 Torr; for 75h; | 75% |
With ammonium hydroxide; zinc(II) chloride In water at 190℃; for 108h; Inert atmosphere; | 60% |
Conditions | Yield |
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With potassium hydroxide; potassium chloride; dihydrogen peroxide at 20℃; |
Conditions | Yield |
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Multi-step reaction with 2 steps 1: CH3SO3H / 70 - 80 °C 2: KOH, KCl, 27percent H2O2 / 20 °C View Scheme |
Conditions | Yield |
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Multi-step reaction with 3 steps 1: Na2SO4, hydroxylamine sulfate, concd. HCl / H2O 2: CH3SO3H / 70 - 80 °C 3: KOH, KCl, 27percent H2O2 / 20 °C View Scheme |
Conditions | Yield |
---|---|
In ammonia 24 h, 210°C, 40 atm, in autoclave; | |
In ammonia aq. ammonia=NH3; 24 h, 210°C, 40 atm, in autoclave; | |
In ammonia 24 h, 210°C, 40 atm, in autoclave; |
dimethyl 2,3-naphthalenedicarboxylate
2-Amino-3-naphthoic acid
Conditions | Yield |
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Multi-step reaction with 4 steps 1: potassium hydroxide; methanol / 24 h / 20 °C / Cooling with ice 2: diphenyl phosphoryl azide; triethylamine / 27 h / 20 °C / Reflux 3: potassium hydroxide; methanol / 12 h / 20 °C 4: trifluoroacetic acid / dichloromethane / 24 h / 20 °C View Scheme |
2,3-naphthalenedicarboxylic acid monomethyl ester
2-Amino-3-naphthoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: diphenyl phosphoryl azide; triethylamine / 27 h / 20 °C / Reflux 2: potassium hydroxide; methanol / 12 h / 20 °C 3: trifluoroacetic acid / dichloromethane / 24 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: tributylphosphine / dichloromethane / 0 - 20 °C 1.2: 3 h / 20 °C / Cooling with ice 2.1: potassium hydroxide; methanol / 24 h / 20 °C / Cooling with ice 3.1: diphenyl phosphoryl azide; triethylamine / 27 h / 20 °C / Reflux 4.1: potassium hydroxide; methanol / 12 h / 20 °C 5.1: trifluoroacetic acid / dichloromethane / 24 h / 20 °C View Scheme |
Conditions | Yield |
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With sulfuric acid for 14h; Reflux; | 100% |
With sulfuric acid for 48h; Reflux; | 96% |
With sulfuric acid Reflux; | 94% |
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IUPAC Name: 3-Amino-2-naphthoic acid
The MF of 3-Amino-2-naphthoic acid (5959-52-4) is C11H9NO2.
The MW of 3-Amino-2-naphthoic acid (5959-52-4) is 187.19.
Synonyms of 3-Amino-2-naphthoic acid (5959-52-4): 2-Naphthalenecarboxylic acid, 3-amino- ; 3-Amino-2-naphthoic acid ; 2-Amino-3-carboxynaphthalene ; 2-Amino-3-naphthoic acid ; 2-Naphthoic acid, 3-amino- ; 3-Aminoisonaphthoic acid
Product Categories: Intermediates of Dyes and Pigments;Naphthalene derivatives;Aromatic Amino Acids;Peptide Synthesis;Unnatural Amino Acid Derivatives
Form: yellow-green to green powder
Index of Refraction: 1.73
EINECS: 227-726-2
Density: 1.352 g/ml
Flash Point: 186.6 °C
Boiling Point: 384.9 °C
Melting Point: 212-215 °C
Merck: 14,452
BRN: 744099
3-Amino-2-naphthoic acid (5959-52-4) is used as organic synthesis, dyes intermediates.
1. | orl-mus LD50:1600 mg/kg | 14CYAT Industrial Hygiene and Toxicology. 2 (1963),1840. |
Reported in EPA TSCA Inventory.
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES.
Safety information of 3-Amino-2-naphthoic acid (5959-52-4):
Hazard Codes Xn
Risk Statements
22 Harmful if swallowed
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36 Wear suitable protective clothing
WGK Germany 3
RTECS QL1400000