4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-y… 269410-08-4

Name: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Brand: Vaqora Chemicals
SKU: VQ-040779

About 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Listed under CAS 269410-08-4, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is a five-membered N-heterocycle available from Vaqora Chemicals. Its molecular formula is C9H15BN2O2 and its molecular weight is 194.04 g/mol. It is also known as 4-Pyrazoleboronic Acid Pinacol Ester or Pyrazole-4-boronic acid pinacol ester.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 100 mg, 250 mg, 1 g and 5 g packs, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Catalogue No.	VQ-040779
CAS Number	269410-08-4
IUPAC name	4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Molecular formula	C₉H₁₅BN₂O₂
Molecular weight	194.04 g/mol
Exact mass	194.1227
HSN code	2933
InChIKey	TVOJIBGZFYMWDT-UHFFFAOYSA-N
SMILES	B1(OC(C(O1)(C)C)(C)C)C2=CNN=C2
PubChem CID	2774010

Physical properties
Physical form	Other
H-bond donors / acceptors	1 / 3
TPSA	47.1 Å²
Synonyms	4-Pyrazoleboronic Acid Pinacol Ester, Pyrazole-4-boronic acid pinacol ester, 1h-pyrazole-4-boronic acid pinacol ester, 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1h-pyrazole-4-boronic acid, pinacol ester, pyrazole-4-boronic acid, pinacol ester, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 4,4,5,5-Tetramethyl-2-(1H-pyrazol-4-yl)-1,3,2-dioxaborolane, 1H-Pyrazole, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 4-pyrazole boronic acid pinacol ester, 4-pyrazolyl boronic acid pinacol ester, 4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1 H-pyrazole

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

The CAS Registry Number of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is 269410-08-4. It is also known as 4-Pyrazoleboronic Acid Pinacol Ester, Pyrazole-4-boronic acid pinacol ester, 1h-pyrazole-4-boronic acid pinacol ester.

What is the molecular formula and molecular weight of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole has the molecular formula C9H15BN2O2 and a molecular weight of 194.04 g/mol. Its IUPAC name is 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole.

Which grade and pack sizes of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole can I order?

We supply 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

Yes. Every lot of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole be shipped internationally?

Yes. 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.