2,3-Butanedithiol

Basic Information

View in Editor

CAS Number

4532-64-3

Molecular Formula

C4H10S2

Molecular Weight

122.26 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-53.9°C (estimate)

Boiling Point

87°C/50mmHg

Flash Point

126 °F

Refractive Index

n20/D 1.5194(lit.)

SMILES

View in Editor

CC(S)C(C)S

InChI

InChI=1S/C4H10S2/c1-3(5)4(2)6/h3-6H,1-2H3

InChIKey

TWWSEEHCVDRRRI-UHFFFAOYSA-N

LogP

1.6229999999999998

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

30.5

Safety Information

View Safety Information

GHS Hazard Pictograms

H226

H315

H319

H335

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

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

Hazard Class

Class 3.2 Class 3.2

Synonyms & References

English

2,3-butanedithiol
2,3-Butandithiol
2,3-Dimercaptobutane
butane-2,3-dithiol
2,3-Dimercapto butane

MDL Number

MFCD00010024

Customs Code

2930909090

FAQ

What are the physical and chemical properties of 2,3-Butanedithiol (CAS: 4532-64-3)?

2,3-Butanedithiol (CAS: 4532-64-3) is a colorless liquid with a molecular weight of 116.17 g/mol. It has a high solubility in organic solvents and water. Chemically, it is highly reactive, particularly towards electrophiles, and can form thioether compounds under certain conditions.

How is 2,3-Butanedithiol (CAS: 4532-64-3) typically synthesized?

2,3-Butanedithiol can be synthesized through the reduction of 2,3-butenedione using sodium sulfide in aqueous ethanol. The reaction is selective and yields a high percentage of the desired product. Common catalysts include sodium sulfide and sodium sulfite.

What industries use 2,3-Butanedithiol (CAS: 4532-64-3)?

2,3-Butanedithiol (CAS: 4532-64-3) is widely used in the pharmaceutical industry for the synthesis of thioether compounds. It also finds applications in the polymer industry as a chain transfer agent, and in the production of sensors and semiconductors due to its unique chemical properties.

What precautions should be taken when handling 2,3-Butanedithiol (CAS: 4532-64-3)?

When handling 2,3-Butanedithiol (CAS: 4532-64-3), it is crucial to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be carried out in a well-ventilated area or a fume hood. Spills should be handled carefully, and safety data sheets (SDS) should be consulted for specific guidance.