2-Tolylboronic acid
- CAS No.
- 16419-60-6
- Chemical Name:
- 2-Tolylboronic acid
- Synonyms
- O-TOLYLBORONIC ACID;O-TOLYBORONIC ACID;2-METHYLPHENYLBORONIC ACID;2-METHYLBENZENEBORONIC ACID;2-ToL;AKOS BRN-0017;o-Boronotoluene;o-Tolylboronic ac;2-Tolylboronicaci;RARECHEM AH PB 0228
- CBNumber:
- CB5186691
- Molecular Formula:
- C7H9BO2
- Molecular Weight:
- 135.96
- MOL File:
- 16419-60-6.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/7/11 11:22:35
| Melting point | 162-164 °C(lit.) |
|---|---|
| Boiling point | 283.4±33.0 °C(Predicted) |
| Density | 1.10±0.1 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly) |
| pka | 8.61±0.58(Predicted) |
| form | Crystalline Powder |
| color | Beige |
| Water Solubility | Slightly soluble in water. |
| BRN | 2935796 |
| InChI | InChI=1S/C7H9BO2/c1-6-4-2-3-5-7(6)8(9)10/h2-5,9-10H,1H3 |
| InChIKey | NSJVYHOPHZMZPN-UHFFFAOYSA-N |
| SMILES | B(C1=CC=CC=C1C)(O)O |
| CAS DataBase Reference | 16419-60-6(CAS DataBase Reference) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36-37/39 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | ED7777777 | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29163990 | |||||||||
| NFPA 704 |
|
2-Tolylboronic acid price More Price(8)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 393606 | o-Tolylboronic acid ≥95.0% | 16419-60-6 | 1G | ₹2338.2 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 393606 | o-Tolylboronic acid ≥95.0% | 16419-60-6 | 5G | ₹7826.48 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 393606 | o-Tolylboronic acid ≥95.0% | 16419-60-6 | 25G | ₹24096.45 | 2022-06-14 | Buy |
| TCI Chemicals (India) | M1313 | 2-Methylphenylboronic Acid (contains varying amounts of Anhydride) | 16419-60-6 | 5G | ₹2600 | 2022-05-26 | Buy |
| TCI Chemicals (India) | M1313 | 2-Methylphenylboronic Acid (contains varying amounts of Anhydride) | 16419-60-6 | 25G | ₹5900 | 2022-05-26 | Buy |
2-Tolylboronic acid Chemical Properties,Uses,Production
Uses
suzuki reaction
Synthesis
Triphenylphosphene (0.131 g, 0.5 mmol, 20 mol %), p-iodoanisol (0.585 g, 2.5 mmol), and triethylamine (1.78 mL, 12.5 mmol) were added to a 50 mL round-bottomed flask equipped with a sidearm, condenser, and stir bar. This solution was then degassed by alternating vacuum and argon three times. Palladium dichloride (0.023 g, 0.13 mmol, 5 mol %) was then added under positive argon pressure. After stirring at room temperature for 15 min, diisopropylaminoborane (5 mL, 1 M solution in THF, 5 mmol) was added and the reaction mixture was degassed again by alternating vacuum and argon three times. The reaction solution was then heated to reflux. After 12 h of reflux the reaction was cooled to 0 °C and 6 mL of methanol was added through the condenser slowly (Caution: exothermic reaction with evolution of hydrogen). After 15 min of stirring all the solvent was removed under reduced pressure to yield a black solid. This solid was dissolved with sodium hydroxide (3 M, 8 mL) and subsequently washed with hexanes (3×10 mL). The aqueous layer was then cooled to 0 °C (ice bath) and acidified to pH ≤1 with concentrated HCl, with the boronic acid usually precipitating out as a white solid. The aqueous fraction was then extracted with diethyl ether (3×10 mL). The organic fractions were combined, dried with magnesium sulfate and filtered. The solvent was then removed under reduced pressure yielding a white solid named 2-Tolylboronic acid.
2-Tolylboronic acid Preparation Products And Raw materials
Raw materials
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