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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2734333Generated: October 23, 2026

(2,3-Difluorophenyl)boronic acid

2,3-Difl · RARECHEM AH PB 0166 · 2,3-Difluorophenylbo · Difluorophenylboronic aci · 2,3-difluorobenzorbic acid · 2,3-DIFLUOROPHENYLBORONIC ACID · 2,3-FLUOROBENZENE BORONIC ACID · 2,3-Dilfuorophenylboronic acid

https://huagongshe.com/en/chemical/2734333

(2,3-Difluorophenyl)boronic acid molecular structure

Identifiers & Physical Properties

CAS No.121219-16-7
Molecular formulaC6H5BF2O2
Average molar mass157.91 g/mol
Monoisotopic mass158.0350659 g/mol
SMILESOB(O)c1cccc(F)c1F
InChIKeySZYXKFKWFYUOGZ-UHFFFAOYSA-N
PubChem CID2734333
EC No.601-759-6
DTXSIDDTXSID90370224

Chemical & Physical Properties

Topological polar surface area40.5
Hydrogen bond donors2
Hydrogen bond acceptors4
Rotatable bonds1
Heavy atoms11
Formal charge0
Complexity134
Melting point95 °C (dec.) (lit.)
Boiling point274.8±50.0 °C(Predicted)
Density1.35±0.1 g/cm3(Predicted)
Storage conditionsKeep in dark place,Sealed in dry,Room Temperature
Solubilitysoluble in Methanol
pKa (acidity coefficient)7.29±0.58(Predicted)
Physical stateCrystalline Powder
ColorWhite to light beige
BRN6594341
InChIInChI=1S/C6H5BF2O2/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3,10-11H
InChIKeySZYXKFKWFYUOGZ-UHFFFAOYSA-N
SMILESB(C1=CC=CC(F)=C1F)(O)O
CAS DataBase Reference121219-16-7(CAS DataBase Reference)
UNSPSC Code12352103
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH335-H315-H319
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsXn,Xi
Risk statements (R)36/37/38-22
Safety statements (S)37/39-26-36/37
Water hazard class (WGK)3
Hazard classIRRITANTAcute Tox. 4 Oral
Customs code29163990
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationWarningH302 (11.1%): Harmful if swallowed [Warning Acute toxicity, oral]H315 (88.9%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (88.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (77.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 9 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesAcute Tox. 4 (11.1%)Skin Irrit. 2 (88.9%)Eye Irrit. 2A (88.9%)STOT SE 3 (77.8%)Skin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (100%)
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
Customs code29163990
Risk statements (R)36/37/38-22
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXn,Xi
Safety statements (S)37/39-26-36/37
Hazard classIRRITANTAcute Tox. 4 Oral
Storage class11 - Combustible Solids
GHS hazard statementsH335-H315-H319
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313

Applications & Uses

Uses

suzuki reaction

Uses

2,3-Difluorophenylboronic acid is a useful reagent for the preparation of pharmaceutical and biologically active molecules.

Uses

Intermediates of Liquid Crystals