1-Cyclopentenylboronic acid pinacol ester supplier

Name
2-CYCLOPENTENYL-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE
EINECS 1308068-626-2
CAS No. 287944-10-9
Article Data19
CAS DataBase
Density 0.96 g/cm³
Solubility
Melting Point
Formula C₁₁H₁₉BO₂
Boiling Point 210 °C at 760 mmHg
Molecular Weight 194.082
Flash Point 80.8 °C
Transport Information
Appearance
Safety 26-37
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms 2-(Cyclopenten-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;
PSA 18.46000
LogP 2.72810

1-Cyclopentenylboronic acid pinacol ester Specification

The 1-Cyclopentenylboronic acid pinacol ester is an organic compound with the formula C₁₁H₁₉BO₂. The systematic name of this chemical is 2-cyclopent-1-en-1-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane. With the CAS registry number 287944-10-9, it is also named as 1,3,2-dioxaborolane, 2-(1-cyclopenten-1-yl)-4,4,5,5-tetramethyl-. The product's categorie is organoborons. And this material can be used as pharmaceutical intermediate. In addition, it must be sealed in the container and avoid direct sunshine.

The other characteristics of this product can be summarized as: (1)#H bond acceptors: 2; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 1; (4)Index of Refraction: 1.463; (5)Molar Refractivity: 55.53 cm³; (6)Molar Volume: 201.4 cm³; (7)Polarizability: 22.01×10^-24 cm³; (8)Surface Tension: 27.8 dyne/cm; (9)Density: 0.96 g/cm³; (10)Flash Point: 80.8 °C; (11)Enthalpy of Vaporization: 42.81 kJ/mol; (12)Boiling Point: 210 °C at 760 mmHg; (13)Vapour Pressure: 0.284 mmHg at 25°C.

People can use the following data to convert to the molecule structure.
1. SMILES: CC1(C)OB(OC1(C)C)C=2CCCC=2;
2. InChI: InChI=1/C11H19BO2/c1-10(2)11(3,4)14-12(13-10)9-7-5-6-8-9/h7H,5-6,8H2,1-4H3.

Product Name

2-CYCLOPENTENYL-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE

1-Cyclopentenylboronic acid pinacol ester Specification

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