Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 16640642Generated: October 25, 2026

2-(4-Bromo-1H-pyrazol-1-yl)ethanol

Albb-003673 · AKOS B024012 · AKOS PAO-0968 · ART-CHEM-BB B024012 · 4-bromo-1H-Pyrazole-1-ethanol · 1H-Pyrazole-1-ethanol, 4-bromo- · 2-(4-BROMO-PYRAZOL-1-YL)-ETHANOL · 1-(2-hydroxyethyl)-4-bromopyazole

https://huagongshe.com/en/chemical/16640642

2-(4-Bromo-1H-pyrazol-1-yl)ethanol molecular structure

Identifiers & Physical Properties

CAS No.214614-81-0
Molecular formulaC5H7BrN2O
Average molar mass191.03 g/mol
Monoisotopic mass189.97418 g/mol
SMILESOCCn1cc(Br)cn1
InChIKeyREUWXYIZJBMWPB-UHFFFAOYSA-N
PubChem CID16640642
EC No.835-124-1
DTXSIDDTXSID20586331

Chemical & Physical Properties

XLogP0.2
Topological polar surface area38.1
Hydrogen bond donors1
Hydrogen bond acceptors2
Rotatable bonds2
Heavy atoms9
Formal charge0
Complexity91
Boiling point299.2±20.0 °C(Predicted)
Density1.74±0.1 g/cm3(Predicted)
Storage conditionsSealed in dry,Room Temperature
pKa (acidity coefficient)14.30±0.10(Predicted)
AppearanceWhite to yellow Solid
GHS pictogramGHS05
Signal wordDanger
GHS hazard statementsH314-H227-H290
GHS precautionary statementsP501-P210-P234-P264-P280-P370+P378-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P406-P405
Hazard symbolsXi
Hazard classIRRITANT
Customs code2933199090

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract 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 2 reports by companies from 2 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 CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)
Customs code2933199090
Signal wordDanger
GHS pictogramGHS05
Hazard symbolsXi
Hazard classIRRITANT
GHS hazard statementsH314-H227-H290
GHS precautionary statementsP501-P210-P234-P264-P280-P370+P378-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P406-P405

Applications & Uses

Uses

2-(4-Bromo-1H-pyrazol-1-yl)ethanol, can be used in the synthesis of more complex pharmaceutical compounds, such as 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-ethanol (T302675).