Cyclopropylboronic acid
[CAS# 411235-57-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Boric acid
• Name: Cyclopropylboronic acid
• Molecular Formula: C₃H₇BO₂
• Molecular Weight: 85.90
• CAS Registry Number: 411235-57-9
• EC Number: 609-890-0

Properties

• Melting point: 90-95 °C

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R22

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Self-reactive substances or mixtures	Self-react.	C	H242
Serious eye damage	Eye Dam.	1	H318
Reproductive toxicity	Repr.	1B	H360
Self-reactive substances or mixtures	Self-react.	E	H242

Discovery and Applications

2025. A Greener and Scalable Approach for the Synthesis of MRT67307 and Its AntiInflammatory Activity. Russian Journal of General Chemistry.
DOI: 10.1134/s1070363224613474

2023. Metal-catalysed C–C bond formation at cyclopropanes. Nature reviews. Chemistry.
DOI: 10.1038/s41570-023-00499-6

2020. Synthetic Approaches to Contemporary Drugs that Contain the Cyclopropyl Moiety. Synthesis.
DOI: 10.1055/s-0039-1690058