4-Nitrophenylboronic Acid Pinacol Ester

4-Nitrophenylboronic Acid Pinacol Ester - Names and Identifiers

Name	(4-Nitrophenyl)boronic acid, pinacol ester
Synonyms	(4-Nitrophenyl)boronic acid -Nitrophenylboronic acid pinacol ester 4-Nitrophenylboronic Acid Pinacol Ester 4-NITROPHENYLBORONIC ACID PINACOL ESTER 4-Nitrobenzeneboronic acid, pinacol ester (4-Nitrophenyl)boronic acid, pinacol ester 4,4,5,5-tetramethyl-2-(4-nitrophenyl)-1,3,2-dioxaborolane 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(4-nitrophenyl)- 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)NITROBENZENE 4-Nitrophenylboronic acid pinacol ester 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)nitrobenzene 2-(4-Nitrophenyl)-4,4,5,5,-tetramethyl-1,3,2-dioxaborolane, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)nitrobenzene
CAS	171364-83-3
InChI	InChI=1/C12H16BNO4/c1-11(2)12(3,4)18-13(17-11)9-5-7-10(8-6-9)14(15)16/h5-8H,1-4H3

4-Nitrophenylboronic Acid Pinacol Ester - Physico-chemical Properties

Molecular Formula	C12H16BNO4
Molar Mass	249.07
Density	1.14±0.1 g/cm3(Predicted)
Melting Point	112-116 °C (lit.)
Boling Point	357.5±25.0 °C(Predicted)
Flash Point	170°C
Water Solubility	Slightly soluble in water.
Vapor Presure	5.58E-05mmHg at 25°C
Appearance	powder or crystals
Color	White to Orange to Green
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	1.515

4-Nitrophenylboronic Acid Pinacol Ester - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	2
HS Code	29333990
Hazard Note	Harmful/Store Cold
Hazard Class	IRRITANT

4-Nitrophenylboronic Acid Pinacol Ester - Introduction

(4-Nitrophenyl)boronic acid, pinacol ester is an organic compound with the chemical formula C6H5B(NO2)2OCH2CH2OH. The following is a description of its nature, use, formulation and safety information:

Nature:
-Appearance: Colorless to light yellow liquid
-Density: 1.38g/cm³
-Boiling point: 220-225 ° C
-Melting point:-10 ° C
-Solubility: Soluble in organic solvents such as ether, chloroform and acetone.

Use:
- (4-Nitrophenyl)boronic acid, pinacol ester is an important organic synthesis intermediate, often used in the preparation of other compounds.
-It can be used as a component of high energy density materials, such as fuel additives and propellants in explosives.
-It can also be used as a chemical reagent in the fields of dyes and fluorescent probes.

Method:
(4-Nitrophenyl)boronic acid, pinacol ester can be prepared by Nitro reaction. The specific steps are as follows:
1. The p-nitrobenzene borate and Hydroxyethyl alcohol are reacted and heated under alkaline conditions.
2. After the reaction, the product is obtained by cooling crystallization.

Safety Information:
- (4-Nitrophenyl)boronic acid, pinacol ester has high explosion sensitivity. Please strictly control the fire source and electrostatic discharge to avoid potentially dangerous conditions such as impact or friction.
-It should be stored in a dark, dry and well-ventilated place, away from combustibles and oxidants.
-Wear appropriate personal protective equipment such as goggles, gloves and laboratory clothing during operation.
-For the use and handling of this compound, please refer to the relevant safety guidelines and regulations, and carry out correct disposal or storage.

Last Update：2024-04-10 22:29:15