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CAS RN: 206658-89-1 | Product Number: A1281

3-Aminophenylboronic Acid Monohydrate (contains varying amounts of Anhydride)

  • 3-Aminobenzeneboronic Acid Monohydrate (contains varying amounts of Anhydride)
1   1   ≥20 
1   1   ≥20 
Contact Us Contact Us ≥20 

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Product Number A1281
Molecular Formula / Molecular Weight C__6H__8BNO__2·H__2O = 154.97  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 206658-89-1
Related CAS RN 30418-59-8
Reaxys Registry Number 2936342
PubChem Substance ID 87562742
MDL Number


Appearance White to Light yellow powder to crystal
Purity(Nonaqueous Titration) 97.0 to 116.0 %
Properties (reference)
Solubility in water Soluble
Solubility (soluble in) Alcohol
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P362 : Take off contaminated clothing and wash before reuse.
Related Laws:
Transport Information:
HS Number 2931.90.6000
3-Aminophenylboronic Acid: A Boronic Acid-Based Inhibitor of β-Lactamases

3-Aminophenylboronic acid is used often as a boronic acid-based inhibitor of β-lactamases which are enzymes produced by some bacteria that provide resistance to β-lactam antibiotics such as penicillins and cephems. β-Lactamase inhibitors provide an effective and safe treatment in combination with β-lactam antibiotics.


PubMed Literature

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