2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane - Names and Identifiers
Name | 2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
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Synonyms | N-BUTYLBORONIC ACID, PINACOL ESTER But-1-ylboronic acid, pinacol ester Butane-1-boronic acid, pinacol ester 2-BUTYL-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1,3,2-Dioxaborolane, 2-butyl-4,4,5,5-tetramethyl-
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CAS | 69190-62-1
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InChI | InChI=1/C10H21BO2/c1-6-7-8-11-12-9(2,3)10(4,5)13-11/h6-8H2,1-5H3 |
2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane - Physico-chemical Properties
Molecular Formula | C10H21BO2
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Molar Mass | 184.08 |
Density | 0.865 |
Boling Point | 185-189 |
Flash Point | 58°C |
Vapor Presure | 0.532mmHg at 25°C |
Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
Refractive Index | 1.4182 |
2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S24/25 - Avoid contact with skin and eyes.
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UN IDs | UN 1993 3/PG 3 |
WGK Germany | 3 |
HS Code | 29319090 |
2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane - Upstream Downstream Industry
Raw Materials | Boronic acid, butyl-, dimethyl ester TRIPHENYLTIN HYDRIDE 2-(4-broMobutyl)-4,4,5,5-tetraMethyl-1,3,2-dioxaborolane 1,3,2-Dioxaborolan-2-amine, N,N,4,4,5,5-hexamethyl- DI-N-BUTYLMAGNESIUM Pinacol 1-Chlorobutane CIS-2-BUTENE 1-Bromobutane Pinacolborane
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Downstream Products | n-Butylboronic acid 1-HEPTEN-3-OL
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2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane - Introduction
2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is an organic compound whose chemical formula is C12H25BO2. The following is a description of its nature, use, preparation and safety information:
Nature:
2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is a liquid, colorless and transparent liquid at room temperature, with a low vapor pressure. It is insoluble in water, but soluble in many organic solvents, such as ethanol, acetone and dichloromethane. The compound is stable to air and light heat.
Use:
2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is an important organic boron reagent, which has a wide range of applications in organic synthesis. It can be used as a boron reagent to participate in a variety of reactions, such as Suzuki coupling reaction and C- H activation. In addition, it can also be used to prepare other organoboron compounds.
Preparation Method:
Generally, the preparation of 2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is obtained by reducing 2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane with magnesium iodide. The specific preparation method is as follows:
1.2-butyl -4,4,5,5-tetramethyl -1,3,2-dithiothiolane was prepared into 2-butyl -4,4,5,5-tetramethyl -1,3,2-dibromopentane by magnesium bromide;
2.2.2-butyl-4,4,5,5-tetramethyl-1,3,2-dibromopentane is reacted with 2,3-dioxybutyrate to generate 2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
Safety Information:
Specific toxicity data for 2-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane are currently lacking, but based on the information on related compounds, the following safety precautions should be noted:
-Contact with skin or inhalation of vapors may be harmful to health. When in use, wear appropriate breathing apparatus and personal protective equipment such as protective gloves and goggles to avoid direct contact or inhalation of the substance.
-Avoid exposure of the substance to fire and high temperature environments. This compound may cause a fire or explosion.
-When operating in the laboratory, it should be carried out in a well-ventilated place to avoid the accumulation of vapor.
-Follow all relevant safe practices and instructions when using, storing and handling the substance. If there is any doubt or unexpected situation, you should immediately consult a professional.
Last Update:2024-04-10 22:29:15