4-Aminobenzoic acid potassium salt supplier

Name
P-AMINOBENZOIC ACID POTASSIUM SALT
EINECS 205-338-4
CAS No. 138-84-1
Article Data3
CAS DataBase
Density
Solubility
Melting Point
Formula C₇H₆KNO₂
Boiling Point 339.9 °C at 760 mmHg
Molecular Weight 175.228
Flash Point 159.4 °C
Transport Information
Appearance White crystalline powder
Safety 26-36
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
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;
PSA 66.15000
LogP 0.21350

Synthetic route

: 201230-82-2
carbon monoxide

: 540-37-4
p-aminoiodobenzene

: 138-84-1
potassium 4-aminobenzoate

Conditions

Conditions	Yield
With potassium carbonate In water at 40 - 45℃; for 4h;	68%

: 623-04-1
4-aminobenzenemethanol

: 138-84-1
potassium 4-aminobenzoate

Conditions

Conditions	Yield
With C15H27Br2CoN3; potassium hydroxide In toluene at 140℃; for 16h; Cannizzaro Reaction; Inert atmosphere; Sealed tube;	27%

: 132183-62-1
1,3-Di(p-carboxyphenyl)triazene dipotassium salt

A: 138-84-1
potassium 4-aminobenzoate

B: C7H4N2O2*K(1+)

Conditions

Conditions	Yield
In methanol; water at 25℃; Rate constant; hydrolysis at different pH (2.60-8.50);

: 2-(3-nitrophenyl)-5,5-dichloromethyl-1,3-dioxane

: 138-84-1
potassium 4-aminobenzoate

: {[2-(3-nitrophenyl)-5-chloromethyl-1,3-dioxan-5-yl]methyl} 4-aminobenzoate

Conditions

Conditions	Yield
With N-benzyl-N,N,N-triethylammonium chloride In N,N-dimethyl-formamide at 135 - 145℃; for 3h;	99%

: 2-[4-nitrophenyl]-5,5-dichloromethyl-1,3-dioxane

: 138-84-1
potassium 4-aminobenzoate

: {[2-(4-nitrophenyl)-5-chloromethyl-1,3-dioxan-5-yl]methyl} 4-aminobenzoate

Conditions

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

: 109-70-6
1,3-chlorobromopropane

: 95-50-1
1,2-dichloro-benzene

: 57609-64-0
propane-1,3-diyl bis(4-aminobenzoate)

Conditions

Conditions	Yield
With sodium carbonate In N-methyl-acetamide; water	90.8%

...Expand

: 3591-45-5
1-bromomethyl-2,2-dichlorocyclopropane

: 138-84-1
potassium 4-aminobenzoate

: 2,2-dichlorocyclopropylmethyl 4-aminobenzoate

Conditions

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

: 1,4-bis[2-(4-aminophenylcarbonyloxy)ethoxy]benzene

Conditions

Conditions	Yield
With N-benzyl-N,N,N-triethylammonium chloride In N,N-dimethyl-formamide at 130 - 140℃; for 4h;	89.9%

: 138-84-1
potassium 4-aminobenzoate

: 2344-80-1
Chloromethyltrimethylsilane

: methyl(trimethylsilyl) 4-aminobenzoate

Conditions

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%

: 757-34-6
triethylchloromethylsilane

: 138-84-1
potassium 4-aminobenzoate

: triethylsilylmethyl ester of 4-aminobenzoic acid

Conditions

Conditions	Yield
In N,N-dimethyl-formamide for 2h; Heating;	70%

: 138-84-1
potassium 4-aminobenzoate

: 106-95-6
allyl bromide

: 62507-78-2
4-aminobenzoic acid allyl ester

Conditions

Conditions	Yield
In N,N-dimethyl-formamide	70%

: 138-84-1
potassium 4-aminobenzoate

: 105-53-3
diethyl malonate

: 130217-49-1
4-[(3-ethoxy-1,3-dioxopropyl)amino]-benzoic acid

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 140 - 160℃; for 1h;	64%

: 138-84-1
potassium 4-aminobenzoate

: 82044-96-0
(R)-(-)-2-Methyl-5-<1-(chlormethyl)vinyl>cyclohex-2-enon

: 4-Amino-benzoic acid 2-((R)-4-methyl-5-oxo-cyclohex-3-enyl)-allyl ester

Conditions

Conditions	Yield
With potassium carbonate In N,N-dimethyl-formamide Heating;	24.3%

: 15267-95-5
chloromethyltriethoxysilane

: 138-84-1
potassium 4-aminobenzoate

: (4-aminobenzoyloxymethyl)triethoxysilane

Conditions

Conditions	Yield
In N,N-dimethyl-formamide Heating;

: 66-72-8
pyridoxal

: 138-84-1
potassium 4-aminobenzoate

: 25765-10-0
4-{[1-(3-Hydroxy-5-hydroxymethyl-2-methyl-pyridin-4-yl)-meth-(E)-ylidene]-amino}-benzoic acid

Conditions

Conditions	Yield
In methanol for 0.5h;

: 138-84-1
potassium 4-aminobenzoate

: 365431-80-7
N-methyl-N-(4-chlorobutyl) N'-(4-carboxyallyl)phenyl phosphorodiamidic chloride

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 70 percent / dimethylformamide 2: 20 percent / diisopropylethylamine / 1,2-dichloro-ethane / 240 h / Heating View Scheme

: 138-84-1
potassium 4-aminobenzoate

: 365432-05-9
N-methyl-N-(4-chlorobutyl) O-(5-nitrofuryl-2-methyl) N'-(4-carboxy)phenyl phosphorodiamidate

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 70 percent / dimethylformamide 2: 20 percent / diisopropylethylamine / 1,2-dichloro-ethane / 240 h / Heating 3: 40 percent / LiHMDS / tetrahydrofuran / 4 h / -20 °C 4: 76 percent / aq. sodium p-toluenesulfinate; Pd(PPh3)4 / tetrahydrofuran / 0.75 h / 20 °C View Scheme

: 138-84-1
potassium 4-aminobenzoate

: 365431-92-1
C20H25ClN3O7P

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 70 percent / dimethylformamide 2: 20 percent / diisopropylethylamine / 1,2-dichloro-ethane / 240 h / Heating 3: 40 percent / LiHMDS / tetrahydrofuran / 4 h / -20 °C View Scheme

: 138-84-1
potassium 4-aminobenzoate

: C33H43ClN5O8P

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: 70 percent / dimethylformamide 2: 20 percent / diisopropylethylamine / 1,2-dichloro-ethane / 240 h / Heating 3: 40 percent / LiHMDS / tetrahydrofuran / 4 h / -20 °C 4: 76 percent / aq. sodium p-toluenesulfinate; Pd(PPh3)4 / tetrahydrofuran / 0.75 h / 20 °C 5: 60 percent / diisopropylethylamine; PyBOP / CH2Cl2 / 0.58 h / 0 - 20 °C View Scheme

: 138-84-1
potassium 4-aminobenzoate

: 1-silatranyl ester of 4-aminobenzoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: dimethylformamide / Heating 2: 54 percent / CH3ONa / 1 h / Ambient temperature View Scheme

: 138-84-1
potassium 4-aminobenzoate

: 136027-70-8
4-<<<3-hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridyl>methyl>amino>benzoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: methanol / 0.5 h 2: NaBH4 / methanol / 5 °C View Scheme

: 138-84-1
potassium 4-aminobenzoate

: 136027-75-3
p-(5-hydroxymethyl-8-methyl-3,4-dihydropyrido<4,3-e>-1,3-oxazin-3-yl)benzoic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: methanol / 0.5 h 2: NaBH4 / methanol / 5 °C 3: 58 percent / KOH / methanol / 2 h / Heating View Scheme

: cadmium(II)

: 138-84-1
potassium 4-aminobenzoate

: Cd(2+)*2NH2C6H4CO2(1-)*2H2O=Cd(NH2C6H4CO2)2*2H2O

Conditions

Conditions	Yield
In further solvent(s)
In further solvent(s)

: copper(II) choride dihydrate

: 138-84-1
potassium 4-aminobenzoate

: 82389-74-0
bis(4-aminobenzoato)diaquocopper(II)

Conditions

Conditions	Yield
In water the soln. of potassium salt of ligand was added to the soln. of CuCl2 and stirred at 25°C; elem. anal.;

: copper(II) choride dihydrate

: 138-84-1
potassium 4-aminobenzoate

: 30827-49-7
bis(4-aminobenzoato)copper(II)

Conditions

Conditions	Yield
In water the hot soln. of potassium salt of ligand was added to the soln. of CuCl2 and stirred at 65°C for few min; elem. anal.;

: ammonium hydroxonitrilotriacetatoaquo-Cr(III) dihydrate

: 138-84-1
potassium 4-aminobenzoate

: 2K(1+)*Cr(3+)*N(CH2COO)3(3-)*2H2NC6H4COO(1-) = K2[Cr(N(CH2COO)3)(H2NC6H4COO)2]

Conditions

Conditions	Yield
In water the Cr-complex was dissolved in water; mixed with the organic ligand dissolved in water; refluxed for 0,5 h; Cr-compound:ligand = 1:3; was allowed to cool at 0°C for 2 days; filtered; recrystallized from water; dried in a vacuum desicator over H2SO4; elem. anal.;

: 138-84-1
potassium 4-aminobenzoate

: silver nitrate

: 67-64-1
acetone

: catena(μ3-O,O',N-4-aminobenzoato)(μ2-O,N-4-aminobenzoato)disilver(I) acetone solvate

Conditions

Conditions	Yield
In water; acetone 1:1 stoich. amts. of AgNO3 and potassium salt heated in water/acetone (80/20);

...Expand

: 0.67Mg(2+)*0.33Al(3+)*2OH(1-)*0.33NO3(1-)*0.53H2O=Mg0.67Al0.33(OH)2(NO3)033*0.53H2O

: 7732-18-5
water

: 138-84-1
potassium 4-aminobenzoate

: Mg0.67Al0.33(OH)2(p-aminobenzoate)0.33*0.82H2O

Conditions

Conditions	Yield
In water stirring Mg compd. with an aq. soln. of K salt for 24 h at ambient temp.; filtration, washing; elem. anal.;

...Expand

: 138-84-1
potassium 4-aminobenzoate

: 2,4-bis(methyltrimethyl-silyl 4’-diylaminobenzoate)-6-{[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propyl-3-ylamino}-s-triazine

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: N,N-dimethyl-formamide / 3 h / 80 °C 2: toluene / 5 h / Reflux; Inert atmosphere View Scheme
Multi-step reaction with 2 steps 1: N,N-dimethyl-formamide / 3 h / 80 °C / Reflux 2: toluene / 5 h / Inert atmosphere; Reflux View Scheme

: 138-84-1
potassium 4-aminobenzoate

: 1,4-bis[4-(2-carboxyethen-1-ylcarbamoyl)phenylcarbonyloxyethoxy]benzene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: N-benzyl-N,N,N-triethylammonium chloride / N,N-dimethyl-formamide / 4 h / 130 - 140 °C 2: acetone / 1 h / 50 °C View Scheme

4-Aminobenzoic acid potassium salt Chemical Properties

Molecular Structure of Aminobenzoate Potassium [USAN] (CAS NO.138-84-1):

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

4-Aminobenzoic acid potassium salt Uses

Aminobenzoate Potassium [USAN] (CAS NO.138-84-1) is used as an intermediate in organic synthesis.

4-Aminobenzoic acid potassium salt Safety Profile

Hazard Codes of Aminobenzoate Potassium [USAN] (CAS NO.138-84-1): Irritant 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

Product Name

P-AMINOBENZOIC ACID POTASSIUM SALT

Synthetic route

4-Aminobenzoic acid potassium salt Chemical Properties

4-Aminobenzoic acid potassium salt Uses

4-Aminobenzoic acid potassium salt Safety Profile

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