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| CAS No.: | 138-84-1 |
|---|---|
| Name: | P-AMINOBENZOIC ACID POTASSIUM SALT |
| Article Data: | 3 |
| Molecular Structure: | |
|
|
|
| Formula: | C7H6KNO2 |
| Molecular Weight: | 175.228 |
| Synonyms: | KPAB;KPABA;Potaba;Potassium 4-aminobenzoate;Potassium p-aminobenzoate;Potoba;p-Aminobenzoic acid potassium salt;4-Aminobenzoic acid potassium salt;Benzoicacid, 4-amino-, monopotassium salt (9CI);Benzoic acid, p-amino-, monopotassiumsalt (8CI);Aminobenzoate potassium; |
| EINECS: | 205-338-4 |
| Boiling Point: | 339.9 °C at 760 mmHg |
| Flash Point: | 159.4 °C |
| Appearance: | White crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 66.15000 |
| LogP: | 0.21350 |
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| Conditions | Yield |
|---|---|
| With potassium carbonate In water at 40 - 45℃; for 4h; | 68% |
| Conditions | Yield |
|---|---|
| With C15H27Br2CoN3; potassium hydroxide In toluene at 140℃; for 16h; Cannizzaro Reaction; Inert atmosphere; Sealed tube; | 27% |
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1,3-Di(p-carboxyphenyl)triazene dipotassium salt
A
- 138-84-1
potassium 4-aminobenzoate
| Conditions | Yield |
|---|---|
| In methanol; water at 25℃; Rate constant; hydrolysis at different pH (2.60-8.50); |
- 138-84-1
potassium 4-aminobenzoate
| Conditions | Yield |
|---|---|
| With N-benzyl-N,N,N-triethylammonium chloride In N,N-dimethyl-formamide at 135 - 145℃; for 3h; | 99% |
- 138-84-1
potassium 4-aminobenzoate
| Conditions | Yield |
|---|---|
| With N-benzyl-N,N,N-triethylammonium chloride In N,N-dimethyl-formamide at 135 - 145℃; for 3h; | 99% |
- 138-84-1
potassium 4-aminobenzoate
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1,3-chlorobromopropane
- 95-50-1
1,2-dichloro-benzene
- 57609-64-0
propane-1,3-diyl bis(4-aminobenzoate)
| Conditions | Yield |
|---|---|
| With sodium carbonate In N-methyl-acetamide; water | 90.8% |
| Conditions | Yield |
|---|---|
| With N-benzyl-N,N,N-triethylammonium chloride In N,N-dimethyl-formamide at 140℃; for 3h; regioselective reaction; | 90.3% |
- 37142-37-3
1,4-Bis(2-chloroethoxy)benzene
- 138-84-1
potassium 4-aminobenzoate
| Conditions | Yield |
|---|---|
| With N-benzyl-N,N,N-triethylammonium chloride In N,N-dimethyl-formamide at 130 - 140℃; for 4h; | 89.9% |
| Conditions | Yield |
|---|---|
| In N,N-dimethyl-formamide at 80℃; for 3h; | 79% |
| In dichloromethane; N,N-dimethyl-formamide | 79% |
| In N,N-dimethyl-formamide at 80℃; for 3h; | 79% |
| Conditions | Yield |
|---|---|
| In N,N-dimethyl-formamide for 2h; Heating; | 70% |
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Chemistry
Molecular Structure of Aminobenzoate Potassium [USAN] (CAS NO.138-84-1):
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Molecular Formula: C7H6KNO2
Molecular Weight: 175.2263
IUPAC Name: Potassium 4-aminobenzoate
CAS NO: 138-84-1
Classification Code: Analgesic
H bond acceptors: 3
H bond donors: 3
Freely Rotating Bonds: 2
Polar Surface Area: 40.54 Å2
Flash Point: 159.4 °C
Enthalpy of Vaporization: 61.57 kJ/mol
Boiling Point: 339.9 °C at 760 mmHg
Vapour Pressure: 3.45E-05 mmHg at 25°C
Synonyms of Aminobenzoate Potassium [USAN] (CAS NO.138-84-1): Potassium p-aminobenzoate ; Aminobenzoate Potassium ; EINECS 205-338-4 ; Potaba ; UNII-41KZS5432U ; Benzoic acid, 4-amino-, monopotassium salt ; Benzoic acid, 4-amino-, potassium salt (1:1) ; Potassium 4-aminobenzoate
Uses
Aminobenzoate Potassium [USAN] (CAS NO.138-84-1) is used as an intermediate in organic synthesis.
Safety Profile
Hazard Codes of Aminobenzoate Potassium [USAN] (CAS NO.138-84-1): 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
WGK Germany: 3