2-Phenylethanethiol

Synonym(s):2-Phenylethanethiol;2-Phenylethyl mercaptan;Phenethyl mercaptan

colourless liquid

2-Phenylethanethiol has been used:

in preparation of biicosahedral Au (25) clusters protected with various types of thiol ligands
as derivatization reagent for phosphorylated sequences of peptides, for enhancing ionization efficiency in matrix-assisted laser desorption/ionization mass spectrometry

The Journal of Organic Chemistry, 25, p. 1993, 1960 DOI: 10.1021/jo01081a044

Structures of 2-phenylethanethiol and its 1:1 water clusters have been studied using resonant two-photon ionization spectroscopy.

Melting point:	-30°C (estimate)
Boiling point:	217-218 °C (lit.)
Density	1.032 g/mL at 25 °C (lit.)
refractive index	n20/D 1.560(lit.)
FEMA	3894 \| PHENYLETHYL MERCAPTAN
Flash point:	195 °F
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
form	Liquid
pka	10.40±0.10(Predicted)
color	Clear colorless
Odor	at 0.10 % in propylene glycol. rubber sulfurous
JECFA Number	527
BRN	1446618
Stability:	Stable. Incompatible with strong bases, strong oxidizing agents.
CAS DataBase Reference	4410-99-5(CAS DataBase Reference)

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.