1,5-Pentanedithiol

Basic Information

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CAS Number

928-98-3

Molecular Formula

C5H12S2

Molecular Weight

136.29 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-72°C

Boiling Point

108°C/15mmHg

Density

1.016 g/mL at 25 °C

Refractive Index

n20/D 1.519(lit.)

SMILES

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C(CCS)CCS

InChI

InChI=1S/C5H12S2/c6-4-2-1-3-5-7/h6-7H,1-5H2

InChIKey

KMTUBAIXCBHPIZ-UHFFFAOYSA-N

LogP

2.0162999999999998

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

25.3

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 9 Class 9

Stability

Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.

Sensitiveness

Sensitive to air

Synonyms & References

English

pentane-1,5-dithiol
1,5-Pentanedithiol
1,5-Dimercaptopentane
Pentamethylene dimercaptan
R8RC3Q7T1W
KMTUBAIXCBHPIZ-UHFFFAOYSA-N
NSC51699
7344AF
TRA0097116
OR42200
FCH1116880
P1518
Q21099232
1,5-Dithiolpentane
NSC 51699
Pentane-1,5-dithiol
AS-57002
D92137
AKOS015856602
DB-057344
1,5-DITHIOLPENTANE
SCHEMBL63170
NS00039503
UNII-R8RC3Q7T1W
928-98-3
EN300-6928501
DTXCID60161641
1,5-Dimercaptopentane; 1,5-Dithiolpentane; NSC 51699
DTXSID40239150
MFCD00004908
1,5-Pentanedithiol, 96%

MDL Number

MFCD00004908

Customs Code

29309070

FAQ

What are the physical and chemical properties of 1,5-Pentanedithiol (CAS: 928-98-3)?

1,5-Pentanedithiol (CAS: 928-98-3) is a colorless liquid with a strong odor. It has a molecular weight of 146.24 g/mol and a boiling point of 135-136°C. This compound is moderately soluble in water but highly soluble in organic solvents. It is a reducing agent and can react with halogens and oxidizing agents.

How is 1,5-Pentanedithiol (CAS: 928-98-3) typically synthesized?

1,5-Pentanedithiol is commonly synthesized via the direct dithionation of 1,5-pentanedione. This process involves the use of sodium dithionite as the reducing agent. The reaction is typically carried out in an aqueous medium and provides good yields. Further purification can be achieved by distillation.

What industries use 1,5-Pentanedithiol (CAS: 928-98-3)?

1,5-Pentanedithiol (CAS: 928-98-3) is used in various industries. It is particularly important in the pharmaceutical industry for thiol-containing compounds, in the polymer industry for improving the adhesion of coatings, and in the sensor industry for gas sensing applications. It also plays a role in semiconductor processing due to its thiol functionality.

What precautions should be taken when handling 1,5-Pentanedithiol (CAS: 928-98-3)?

When handling 1,5-Pentanedithiol (CAS: 928-98-3), it is essential to use appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. This compound should be handled in a well-ventilated area or a fume hood. Spills should be cleaned up with absorbent materials and disposed of properly. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal instructions.