3-Thienylboronic acid

Basic Information

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CAS Number

6165-69-1

Molecular Formula

C4H5BO2S

Molecular Weight

127.96 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

164-169 °C

Boiling Point

287.9°C at 760 mmHg

Density

1.32

Flash Point

127.9 °C

SMILES

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B(C1=CSC=C1)(O)O

InChI

InChI=1S/C4H5BO2S/c6-5(7)4-1-2-8-3-4/h1-3,6-7H

InChIKey

QNMBSXGYAQZCTN-UHFFFAOYSA-N

LogP

-0.5721

Topological Polar Surface Area

40.46 Å²

Hydrogen Bond Donor/Acceptor

2 / 2

Complexity

78.4

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class IRRITANT Class IRRITANT

Class IRRITANT-HARMFUL Class IRRITANT-HARMFUL

Class KEEP COLD Class KEEP COLD

Synonyms & References

English

3-thiophene-boronic-acid
BP-12791
3-thienylboronicacid
thien-3-ylboronic acid
Z336079668
T1975
F9995-1361
SCHEMBL42265
AKOS000264851
6165-69-1
3-thiophenyl boronic acid
thien-3-yl boronic acid
MFCD00151851
BCP27592
3-Thienylboronic acid #
thiophen-3-yl boronic acid
EN300-73578
3-thiophenboronic acid
A8543
3-thiophen-boronic acid
thiophen-3-boronic acid
Thiophene-3-boronic acid
Boronic acid, 3-thienyl-
thiophen-3ylboronic acid
3-Thienyl boronic acid
thiopen-3-boronic acid
3-Thiopheneboronic Acid, (contains varying amounts of Anhydride)
3-thiophene-boronic acid
BDBM50067902
AM20100505
3-Thienylboronic acid, >=95.0%

MDL Number

MFCD00151851

Customs Code

2934999090

FAQ

What is 3-Thienylboronic acid (CAS: 6165-69-1)?

3-Thienylboronic acid is an organic compound with the chemical formula C8H8B03. It has a thiophene ring fused to a boronic acid moiety. This compound is soluble in organic solvents and is used in various chemical reactions, particularly in the synthesis of other compounds.

What are the main uses of 3-Thienylboronic acid (CAS: 6165-69-1)?

3-Thienylboronic acid is primarily used in organic synthesis, particularly in Suzuki coupling reactions. It serves as a boronate ester precursor, facilitating the formation of carbon-carbon bonds in the presence of a palladium catalyst. It also finds applications in the preparation of thienyl derivatives and other medicinal compounds.

Is 3-Thienylboronic acid (CAS: 6165-69-1) safe?

3-Thienylboronic acid is generally considered safe for laboratory use when handled with appropriate precautions. It is not considered a significant health hazard but may cause skin irritation if not handled properly. It should be stored in a cool, dry place away from direct sunlight and heat sources. Protective gloves and safety goggles should be worn during handling to prevent skin and eye contact.

How should 3-Thienylboronic acid (CAS: 6165-69-1) be stored?

3-Thienylboronic acid should be stored in a tightly sealed container in a cool, dry place to prevent degradation. It should be kept away from direct sunlight and heat sources to maintain stability. The storage temperature should be below 25°C, and the relative humidity should be kept below 60% to prevent moisture absorption. Handling should be done in a well-ventilated area to avoid inhalation of dust or vapors.