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Name	2-Aminophenylboronic acid	EINECS	N/A
CAS No.	5570-18-3	Density	1.23 g/cm³
PSA	66.48000	LogP	-0.47020
Solubility	N/A	Melting Point	188-190 °C
Formula	C₆H₈BNO₂	Boiling Point	346.9 °C at 760 mmHg
Molecular Weight	136.946	Flash Point	163.6 °C
Transport Information	N/A	Appearance	N/A
Safety	26-36/37/39	Risk Codes	36/37/38--20/21/22
Molecular Structure		Hazard Symbols	Xn,Xi
Synonyms	Benzeneboronicacid, o-amino- (7CI,8CI);Boronic acid, (2-aminophenyl)- (9CI);o-Aminophenylboronicacid;	Article Data	20

2-Aminophenylboronic acid Synthetic route

: 5570-19-4
2-nitrophenylboronic acid

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
With hydrogenchloride; iron In ethanol; water at 50℃; for 3h; Inert atmosphere;	83%
With H2; catalyst: Pd/C In ethanol shaken for 15 h; filtd., the filtrate is evapd., the oily residue is recrystd. (methanol-water);	67%
With hydrogen; palladium 10% on activated carbon In ethanol under 750.075 Torr; for 8h;	50%

: 615-43-0
2-iodophenylamine

: 7732-18-5
water

: 73183-34-3
bis(pinacol)diborane

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
Stage #1: 2-iodophenylamine; bis(pinacol)diborane With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In dimethyl sulfoxide at 80℃; for 18h; Inert atmosphere; Stage #2: water With sodium periodate; ammonium chloride In methanol at 20℃; for 18h;	78.1%

: 191171-55-8
2-anilineboronic acid pinacol ester

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
With boron trichloride In dichloromethane at 25℃; for 3h;	52%

: 7697-37-2
nitric acid

: 98-80-6
phenylboronic acid

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
With palladium on activated charcoal; hydrogen; urea In acetic anhydride 1) HNO3, Ac2O, urea; 2) H2, Pd(C), EtOH;	31%

: 98-80-6
phenylboronic acid

polymer; monomer(s): Actitex 1500-1, modified with [BF4][4-N2C6H4CH2Cl]; 4-halogenobenzenethiol: polymer; monomer(s): Actitex 1500-1, modified with [BF4][4-N2C6H4CH2Cl]; 4-halogenobenzenethiol

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: HNO3; Ac2O; urea 2: H2 / Pd/C / ethanol View Scheme

: 98-80-6
phenylboronic acid

Merrifield resin-CH2O(CH2)4S-CH2C6H4-Ph-4: Merrifield resin-CH2O(CH2)4S-CH2C6H4-Ph-4

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: HNO3; Ac2O; urea 2: H2 / Pd/C / ethanol View Scheme

: 17604-35-2
tris(2-methylene(phenyl)imino phenyl)boroxin

A: 5570-18-3
2-aminophenylboronic acid

B: 1-Hydroxy-2-phenyl-2,3-dihydro-1H-2,1-benzazaborol

Conditions

Conditions	Yield
With lithium aluminium tetrahydride In tetrahydrofuran refluxing for 1 h, decompn. of excess of LiAlH4 by water, filtering, extracting; recrystn. from benzene-hexane;

: 98-80-6
phenylboronic acid

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: acetic anhydride; nitric acid / 3 h / -15 - 10 °C 2: iron; hydrogenchloride / ethanol; water / 3 h / 50 °C / Inert atmosphere View Scheme

: 98-80-6
phenylboronic acid

: 5570-18-3
2-aminophenylboronic acid

Conditions

Conditions	Yield
With nitric acid; palladium on carbon In ethanol; water

: 863783-61-3
3-(6-bromo-quinolin-4-yloxy)-5,6-dimethyl-[2,2']bipyridine

: 5570-18-3
2-aminophenylboronic acid

: 2-[4-(5,6-Dimethyl-[2,2']bipyridin-3-yloxy)-quinolin-6-yl]-phenylamine

Conditions

Conditions	Yield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In water; N,N-dimethyl-formamide at 70℃; for 3h;	100%

2-Aminophenylboronic acid Chemical Properties

Molecular Structure of 2-Aminophenylboronic acid (CAS NO.5570-18-3):

Molecular Formula: C₆H₈BNO₂
Molecular Weight: 136.9442
IUPAC Name: (2-Aminophenyl)boronic acid
Synonyms of 2-Aminophenylboronic acid (CAS NO.5570-18-3): 2-Aminobenzeneboronic acid hydrochloride ; 2-Aminophenylboronic acid 2-aminophenylboronic acid, hydrochloride ; 2-Aminobenzeneboronicacid,96% ; 2-Aminophenylboronic acid HCl Salt
CAS NO: 5570-18-3
Product Categories: Amines ; blocks ; BoronicAcids ; Substituted Boronic Acids ; Boronic Acid
Melting point: 188-190°C
Index of Refraction: 1.582
Molar Refractivity: 36.9 cm³
Molar Volume: 110.5 cm³
Surface Tension: 54 dyne/cm
Density: 1.23 g/cm³
Flash Point: 163.6 °C
Enthalpy of Vaporization: 62.39 kJ/mol
Boiling Point: 346.9 °C at 760 mmHg
Vapour Pressure: 2.1E-05 mmHg at 25°C

2-Aminophenylboronic acid Safety Profile

Hazard Codes of 2-Aminophenylboronic acid (CAS NO.5570-18-3): Irritant Xi,Xn
Risk Statements: 36/37/38-20/21/22
R36/37/38: Irritating to eyes, respiratory system and skin.
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 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.
Hazard Note: Harmful

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