4-Methylbenzenemethanethiol
[CAS# 4498-99-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Thiol salt
• Name: 4-Methylbenzenemethanethiol
• Synonyms: p-Toluenemethanethiol; p-Tolylmethanethiol; p-Tolylmethyl mercaptan
• Molecular Formula: C₈H₁₀S
• Molecular Weight: 138.23
• CAS Registry Number: 4498-99-1
• EC Number: 224-796-6

Properties

• Solubility: Very slightly soluble (0.39 g/L) (25 ºC), Calc.^*
• Density: 1.034 g/cm³ (23 ºC)^**
• Melting point: 76 ºC^***
• Boiling point: 116-118 ºC (35 Torr)^****
• Refractive index: 1.5666 (589.3 nm 20 ºC)^*****
• Flash point: 85.6±8.9 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Cagniant, Paul; Bulletin de la Societe Chimique de France 1961, P2225-35.

^*** Martynowicz, Z.; Kosmos 1911, V35(Rad.-Festb.), P594-6.

^**** Lewis, T. R.; Journal of the American Chemical Society 1951, V73, P2109-13.

^***** Laarhoven, W. H.; Recueil des Travaux Chimiques des Pays-Bas 1967, V86(8), P821-9.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H332
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2A	H319
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335