TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC&

Product Name: TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC&
CAS No.: 72316-17-7
Chemical Name: TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC&
Synonyms: (4-Methylstyryl)boronic acid;(E)-(4-Methylstyryl)boronic acid;TRANS-2-(4-METHYLPHENYL)VINYLBORONIC;1-(4-Methylphenyl)-vinyl-2-boronic acid;TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC&;(E)-(4-Methylstyryl)boronic acid - [M4452];(E)-2-(4-methylphenyl)ethenyl]boronic acid;trans-2-(4-Methylphenyl)vinylboronic acid 97%;trans-2-(4-Methylphenyl)vinylboronic acid;Boronic acid, B-[(1E)-2-(4-methylphenyl)ethenyl]-
CBNumber: CB5498569
Molecular Formula: C9H11BO2
Formula Weight: 161.99
MOL File: 72316-17-7.mol

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TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC& Property

Melting point:: 169-175 °C(lit.)
Boiling point:: 330.9±45.0 °C(Predicted)
Density: 1.100±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
pka: 9.70±0.43(Predicted)
form: solid
Appearance: White to off-white Solid

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Safety

WGK Germany: 3
HS Code: 2931900090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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.

P310Immediately call a POISON CENTER or doctor/physician.

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 568139
Product name: trans-2-(4-Methylphenyl)vinylboronic acid
Purity: 97%
Packaging: 1g
Price: $183.31
Updated: 2025/07/31

Sigma-Aldrich

Product number: 568139
Product name: trans-2-(4-Methylphenyl)vinylboronic acid
Purity: 97%
Packaging: 5g
Price: $351
Updated: 2025/07/31

Matrix Scientific

Product number: 092813
Product name: (4-Methylstyryl)boronic acid
Purity: 95+%
Packaging: 1g
Price: $189
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: BOR0001740
Product name: TRANS-2-(4-METHYLPHENYL)VINYLBORONIC ACID
Purity: 95.00%
Packaging: 1G
Price: $255.15
Updated: 2021/12/16

AK Scientific

Product number: 1219AC
Product name: (4-Methylstyryl)boronicacid
Packaging: 1g
Price: $305
Updated: 2021/12/16

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TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC& Chemical Properties,Usage,Production

General Description

Contains varying amount of anhydride

Synthesis

766-97-2

274-07-7

72316-17-7

General procedure for the synthesis of trans-2-(4-tolyl)vinylboronic acid from 1-ethynyl-4-methylbenzene and catecholborane: 1-ethynyl-4-methylbenzene (0.50 mL, 3.94 mmol, 1.00 equiv) and catecholborane (0.50 mL, 4.73 mmol, 1.20 equiv) were dissolved in tetrahydrofuran (THF, 1.5 mL) , and the mixture was refluxed for 18 hours. After completion of the reaction, the solvent was removed by evaporation and water (1 mL) was added. The resulting suspension was stirred vigorously for 4 h at room temperature. The solid was collected by filtration and recrystallized with water. Subsequent filtration afforded (E)-2-(4-tolyl)vinylboronic acid (309.4 mg, 1.90 mmol, 48% yield) and dried under vacuum. The product was characterized by 1H NMR (400 MHz, DMSO-d6) and 13C NMR (101 MHz, DMSO-d6) with the following data: 1H NMR (DMSO-d6) δ 7.73 (s, 2H), 7.36 (d, J = 7.9 Hz, 2H), 7.18 (d, J = 7.9 Hz, 2H), 6.05 (d, J = 18.3 Hz, 1H), 2.31 (s, 3H); 13C NMR (DMSO-d6) δ 146.2, 138.4, 135.4, 129.8 (2C), 127.0 (2C), 21.3.

References

[1] Patent: WO2016/198836, 2016, A1. Location in patent: Paragraph 00140
[2] Organic Letters, 2014, vol. 16, # 13, p. 3444 - 3447

TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC& Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC& manufacturers

Career Henan Chemical Co

Product: TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC& 72316-17-7
Price: US $2.00/KG
Min. Order: 1g
Purity: 98%min
Supply Ability: ask
Release date: 2020-01-08

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TRANS-2-(4-METHYLPHENYL)VINYLBORONIC

TRANS-2-(4-METHYLPHENYL)VINYLBORONIC AC&

Boronic acid, B-[(1E)-2-(4-methylphenyl)ethenyl]-

(E)-2-(4-methylphenyl)ethenyl]boronic acid

<i>trans</i>-2-(4-Methylphenyl)vinylboronic acid

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72316-17-7

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