Triphenylmethanethiol

Basic Information

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CAS Number

3695-77-0

Molecular Formula

C19H16S

Molecular Weight

276.4 g/mol

Chemical Classification

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

106.0 to 110.0 deg-C

Boiling Point

403.8°C at 760 mmHg

Water Solubility

It is insoluble in water.

Flash Point

166.5 °C

Refractive Index

1.6170 (estimate)

SMILES

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C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)S

InChI

InChI=1S/C19H16S/c20-19(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15,20H

InChIKey

JQZIKLPHXXBMCA-UHFFFAOYSA-N

LogP

4.908300000000004

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

235

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

Synonyms & References

English

tritylmercaptan
DTXSID1063142
NSC22520
Tritylthiol
AI3-51275
Triphenylmethanethiol, purum, >=96.0% (HPLC)
MFCD00004854
A823481
Benzenemethanethiol, alpha,alpha-diphenyl-
UNII-T7AQN86QSJ
Triphenylmethyl mercaptan
Benzenemethanethiol,.alpha.-diphenyl-
CHEMBL402454
T7AQN86QSJ
Trityl mercaptan
DS-7372
triphenyl-methanethiol
Benzenemethanethiol, .alpha.,.alpha.-diphenyl-
NSC-22520
triphenylmethanthiol
alpha,alpha-Diphenylbenzenemethanethiol
Triphenymethyl mercaptan
4-06-00-05049 (Beilstein Handbook Reference)
BDBM23791
C19H16S
AKOS005438722
FT-0634972
NS00030131
SY010766
Methanethiol, triphenyl-
JQZIKLPHXXBMCA-UHFFFAOYSA-N

MDL Number

MFCD00004854

Customs Code

2930909090

FAQ

What are the physical and chemical properties of Triphenylmethanethiol (CAS: 3695-77-0)?

Triphenylmethanethiol (CAS: 3695-77-0) is a crystalline solid with a molecular weight of approximately 272.33 g/mol. It is slightly soluble in water but miscible with common organic solvents. Chemically, it is reactive towards nucleophiles and can undergo substitution reactions. It is stable under normal conditions but should be stored away from moisture and oxidizing agents.

How is Triphenylmethanethiol (CAS: 3695-77-0) typically synthesized?

Triphenylmethanethiol can be synthesized through the reaction of phenol with thiols in the presence of a catalyst like palladium. Common methods include the Sonogashira coupling or direct thiolation of a phenyl derivative. The reaction typically has good yield and selectivity, making it a reliable synthesis route.

What industries use Triphenylmethanethiol (CAS: 3695-77-0)?

Triphenylmethanethiol finds applications in pharmaceuticals for its antioxidant properties, in polymer science for stabilizing materials, in sensor technology due to its reactivity with various analytes, and in semiconductor manufacturing for its use in photolithography processes. It is also used in environmental monitoring as a reagent.

What precautions should be taken when handling Triphenylmethanethiol (CAS: 3695-77-0)?

When handling triphenylmethanethiol (CAS: 3695-77-0), use appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat to prevent skin and eye contact. Work in a well-ventilated area or a fume hood to avoid inhalation. In case of spills, neutralize with a suitable reagent and dispose of according to local regulations. Refer to the Safety Data Sheet (SDS) for detailed information.