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CAS No.: | 14543-45-4 |
---|---|
Name: | 4-AMINO-3-MERCAPTOBENZOIC ACID |
Article Data: | 11 |
Molecular Structure: | |
Formula: | C7H7NO2S |
Molecular Weight: | 169.204 |
Synonyms: | 4-Amino-3-mercaptobenzoic acid;3-Mercapto-4-aminobenzoicacid; |
Density: | 1.448 g/cm3 |
Melting Point: | 290 °C (decomp) |
Boiling Point: | 383.333 °C at 760 mmHg |
Flash Point: | 185.633 °C |
PSA: | 102.12000 |
LogP: | 1.83690 |
4-amino-3-thiocyanatobenzoic acid
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
With sodium sulfide In ethanol; water at 90℃; for 2h; | 96% |
Multi-step reaction with 2 steps 1: hydrochloric acid / H2O / 0.5 h / Heating 2: potassium hydroxide / H2O / 4 h / Heating View Scheme |
2-aminobenzo[d]thiazole-6-carboxylic acid methyl ester
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
With water; potassium hydroxide for 16h; Inert atmosphere; | 90% |
2-amino-6-cyanobenzthiazole
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
With sodium hydroxide for 72h; Heating; | 76% |
2-aminobenzothiazole-6-carboxylic acid
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
Stage #1: 2-aminobenzothiazole-6-carboxylic acid With water; potassium hydroxide for 24h; Inert atmosphere; Reflux; Stage #2: With hydrogenchloride In water Cooling with ice; | 67.9% |
Stage #1: 2-aminobenzothiazole-6-carboxylic acid With water; potassium hydroxide for 24h; Inert atmosphere; Reflux; Stage #2: With hydrogenchloride In water Cooling with ice; | 67.9% |
With potassium hydroxide In water for 24h; Inert atmosphere; Reflux; | 67.9% |
With water; potassium hydroxide for 3h; Reflux; | 66.1% |
With potassium hydroxide In water |
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
With potassium hydroxide for 4h; Heating; | |
With potassium hydroxide In water for 4h; Heating; |
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
With potassium hydroxide |
4-Aminobenzonitrile
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 82 percent / Br2; AcOH / 3 h / 20 °C 2: 76 percent / aq. NaOH / 72 h / Heating View Scheme |
4-amino-benzoic acid
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: bromine / methanol / 2 h / -5 °C 2: hydrochloric acid / H2O / 0.5 h / Heating 3: potassium hydroxide / H2O / 4 h / Heating View Scheme |
ethyl 2-aminobenzothiazole-6-carboxylate
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1N aq. HCl / Heating 2: KOH / 4 h / Heating View Scheme |
p-aminoethylbenzoate
4-amino-3-mercaptobenzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: Br2 / methanol / 2 h / -5 °C 2: 1N aq. HCl / Heating 3: KOH / 4 h / Heating View Scheme |
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The Molecular Structure of 4-Amino-3-mercaptobenzoic acid (CAS NO.14543-45-4):
Empirical Formula: C7H7NO2S
Molecular Weight: 169.201
Nominal Mass: 169 Da
Average Mass: 169.201 Da
Monoisotopic Mass: 169.019748 Da
Index of Refraction: 1.708
Molar Refractivity: 45.59 cm3
Molar Volume: 116.8 cm3
Surface Tension: 74.8 dyne/cm
Density: 1.447 g/cm3
Flash Point: 185.6 °C
Enthalpy of Vaporization: 66.65 kJ/mol
Boiling Point: 383.3 °C at 760 mmHg
Vapour Pressure: 1.46E-06 mmHg at 25°C
4-Amino-3-mercaptobenzoic acid (CAS NO.14543-45-4) is also called as 4-Amino-3-sulfanylbenzenecarboxylic acid ; 4-Amino-3-mercaptobenzoic acid 98+% .