2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Basic Information

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CAS Number

347389-74-6

Molecular Formula

C8H13BO2

Molecular Weight

142.01 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Boiling Point

140°C/21.5mmHg

Flash Point

34 ºC

Refractive Index

1.4300 to 1.4340

SMILES

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CC1(C)OB(OC1(C)C)C#C

InChI

InChI=1S/C7H15BO2/c1-6(2)7(3,4)10-8(5)9-6/h1-5H3

InChIKey

FOQJHZPURACERJ-UHFFFAOYSA-N

LogP

1.7084

Topological Polar Surface Area

18.46 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

195

Safety Information

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Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 3 Class 3

Sensitiveness

对热、湿度敏感

Synonyms & References

English

2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2-Ethynyl-4,4,5,5-tertamethyl-1,3,2-dioxaborolane
2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
Ethynylboronic Acid Pinacol Ester
1,3,2-Dioxaborolane, 2-ethynyl-4,4,5,5-tetramethyl-
Pinacol ethynylborate
EthynylboronicAcidPinacolEster
C8H13BO2
SBB074258
1711AJ
STL433229
AB66711
TRA0080624
EBD3054599
SY019139
BC001407
AB0199473
ST4151041
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

MDL Number

MFCD13182122

FAQ

What is 2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS: 347389-74-6)?

2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is an organic compound with the CAS number 347389-74-6. It is a colorless liquid with a pungent odor. This compound is characterized by its dioxaborane structure and ethynyl group, making it a versatile chemical reagent in organic synthesis and pharmaceutical applications.

What are the main uses of 2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS: 347389-74-6)?

2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS: 347389-74-6) is primarily used as a key intermediate in the synthesis of boronic acids and esters. It finds applications in pharmaceutical research for developing new drug candidates, and in polymer synthesis for creating novel materials with advanced properties.

Is 2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS: 347389-74-6) safe?

2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS: 347389-74-6) is generally considered safe when handled with proper precautions. It is important to follow safety guidelines, such as wearing protective gloves and goggles, and working in a well-ventilated area. Avoid inhalation and contact with skin or eyes. Disposal should be conducted in accordance with local regulations.

How should 2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS: 347389-74-6) be stored?

2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS: 347389-74-6) should be stored in a cool, dark place to prevent degradation. It should be kept in a tightly sealed container to protect from air and light. The storage temperature should be below 25°C, and the container should be away from heat sources and direct sunlight. Proper labeling and storage in a well-ventilated area is recommended for safety and effectiveness.