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2-Nitrobenzeneboronic acid pinacol ester

Product Name
2-Nitrobenzeneboronic acid pinacol ester
CAS No.
190788-59-1
Chemical Name
2-Nitrobenzeneboronic acid pinacol ester
Synonyms
2-Nitrobenzeneboronic acid picol ester;2-NITROPHENYLBORONIC ACID, PINACOL ESTER;2-NITROBENZENEBORONIC ACID PINACOL ESTER;2-Nitrophenylboronic Acid,Pinacol Ester,98%;2-Nitrobenzeneboronic acid, pinacol ester 98%;2-nitrophenylboronic acid pinacol cyclic ester;2-Nitrobenzeneboronic acid pinacol ester, 98+%;2-Nitrobenzeneboronic acid pinacol cyclic ester;4,4,5,5-tetramethyl-2-(2-nitrophenyl)-1,3,2-dioxaborolane;2-(2-Nitrophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
CBNumber
CB0738093
Molecular Formula
C12H16BNO4
Formula Weight
249.07
MOL File
190788-59-1.mol
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2-Nitrobenzeneboronic acid pinacol ester Property

Melting point:
42-44°C
Boiling point:
358.2±25.0 °C(Predicted)
Density 
1.14±0.1 g/cm3(Predicted)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
soluble in Methanol
form 
powder to crystal
color 
White to Orange to Green
BRN 
7708824
CAS DataBase Reference
190788-59-1(CAS DataBase Reference)
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Safety

Risk Statements 
36/37/38
Safety Statements 
26-36
HS Code 
2931900090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

TCI Chemical
Product number
N1006
Product name
4,4,5,5-Tetramethyl-2-(2-nitrophenyl)-1,3,2-dioxaborolane
Purity
>98.0%(GC)(T)
Packaging
1g
Price
$60
Updated
2025/07/31
TCI Chemical
Product number
N1006
Product name
4,4,5,5-Tetramethyl-2-(2-nitrophenyl)-1,3,2-dioxaborolane
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$208
Updated
2025/07/31
TRC
Product number
T889653
Product name
4,4,5,5-Tetramethyl-2-(2-nitrophenyl)-1,3,2-dioxaborolane
Packaging
10mg
Price
$45
Updated
2021/12/16
Matrix Scientific
Product number
116067
Product name
4,4,5,5-Tetramethyl-2-(2-nitrophenyl)-1,3,2-dioxaborolane
Purity
>95%
Packaging
500mg
Price
$47
Updated
2021/12/16
Matrix Scientific
Product number
116067
Product name
4,4,5,5-Tetramethyl-2-(2-nitrophenyl)-1,3,2-dioxaborolane
Purity
>95%
Packaging
1g
Price
$63
Updated
2021/12/16
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2-Nitrobenzeneboronic acid pinacol ester Chemical Properties,Usage,Production

Synthesis

577-19-5

73183-34-3

190788-59-1

1-Bromo-2-nitrobenzene (10.0 g, 49.5 mmol, 1.0 eq.) and pinacol ester of bis(diphenylphosphine) (15.08 g, 59.4 mmol, 1.2 eq.) were added with potassium acetate (14.57 g, 148 mmol, 3.0 eq.) and [1,1'-bis(diphenylphosphino)palladium(II) dichloride] (1.09 g, 1.49 mmol, 0.03 equiv) in dioxane (180 mL). The reaction mixture was stirred at 80 °C for 12 hours under nitrogen protection. After completion of the reaction, the mixture was concentrated under reduced pressure to give the crude product. Purification by silica gel column chromatography (eluent: petroleum ether/ethyl acetate, 100:1 to 80:1) afforded 2-nitrophenylboronic acid pinacol ester as a yellow oil (12.0 g, 97% yield). The product was identified by 1H NMR (DMSO-d6, 400 MHz): δ 8.17 (d, J = 8.0 Hz, 1H), 7.67-7.65 (m, 1H), 7.58-7.54 (m, 2H), 1.44 (s, 12H).

References

[1] Patent: WO2018/144620, 2018, A1. Location in patent: Paragraph 00334
[2] Advanced Synthesis and Catalysis, 2016, vol. 358, # 6, p. 977 - 983
[3] Synlett, 2018, vol. 29, # 8, p. 1055 - 1060
[4] Journal of the American Chemical Society, 2015, vol. 137, # 21, p. 6738 - 6741
[5] Patent: CN108424344, 2018, A. Location in patent: Paragraph 0083; 0084; 0085; 0095

2-Nitrobenzeneboronic acid pinacol ester Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Nitrobenzeneboronic acid pinacol ester Suppliers

J & K SCIENTIFIC LTD.
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18210857532; 18210857532
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86-10-82849933
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jkinfo@jkchemical.com
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China
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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400-6106006
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021-67582001/03/05
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TCI (Shanghai) Development Co., Ltd.
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Energy Chemical
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View Lastest Price from 2-Nitrobenzeneboronic acid pinacol ester manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
(2-Nitrophenyl)boronic acid 190788-59-1
Price
US $3.00-9.00/KG
Min. Order
0.1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2025-07-03
Zhuozhou Wenxi import and Export Co., Ltd
Product
2-Nitrobenzeneboronic acid pinacol ester 190788-59-1
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11

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