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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2773216Generated: October 23, 2026

(2-Aminophenyl)boronic acid

2-Boronoaniline · CHEMBRDG-BB 3201036 · 2-Aminophenylboronicaci · AMinobenzeneboronic acid · 2-AMINOPHENYLBORONIC ACID · o-Aminophenylboronic Acid · 2-AMINOBENZENEBORONIC ACID · 2-Aminobenzeneboronicacid,96%

https://huagongshe.com/en/chemical/2773216

(2-Aminophenyl)boronic acid molecular structure

Identifiers & Physical Properties

CAS No.5570-18-3
Molecular formulaC6H8BNO2
Average molar mass136.95 g/mol
Monoisotopic mass137.0648089 g/mol
SMILESNc1ccccc1B(O)O
InChIKeyDIRRKLFMHQUJCM-UHFFFAOYSA-N
PubChem CID2773216
EC No.611-303-8
DTXSIDDTXSID50901275

Chemical & Physical Properties

Topological polar surface area66.5
Hydrogen bond donors3
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms10
Formal charge0
Complexity110
Melting point188-190°C
Boiling point346.9±44.0 °C(Predicted)
Density1.23±0.1 g/cm3(Predicted)
Storage conditionsunder inert gas (nitrogen or Argon) at 2–8 °C
Physical statesolid
pKa (acidity coefficient)8.83±0.53(Predicted)
Colorlight yellow
BRN2962939
CAS DataBase Reference5570-18-3(CAS DataBase Reference)
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard symbolsXi,Xn
Risk statements (R)36/37/38-20/21/22
Safety statements (S)26-36/37/39-37-36
Hazard NoteHarmful
Customs code29310095

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 8 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Customs code29310095
Risk statements (R)36/37/38-20/21/22
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi,Xn
hazard_noteHarmful
Safety statements (S)26-36/37/39-37-36
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a

Applications & Uses

Uses

2-Aminobenzeneboronic acid derivative is used in the synthesis of quinolines by reacting with alpha, beta unsaturated ketones. Its hydrochloride derivative is used in the preparation of designed boronate ligands for glucose-selective holographic sensors.

Uses

2-Aminophenylboronic acid is used in the preparation of affinity sites for antibacterial drugs like ampicillin. A useful synthesis intermediate.