2-Methyl-2-butanethiol
[CAS# 1679-09-0]

Identification

• Classification: Chemical reagent >> Organic reagent >> Thiol salt
• Name: 2-Methyl-2-butanethiol
• Synonyms: 1,1-Dimethyl-1-propanethiol; 2-Ethyl-2-propanethiol; NSC 229571; NSC 60251; tert-Amyl mercaptan; tert-Amylthiol; tert-Pentyl mercaptan
• Molecular Formula: C₅H₁₂S
• Molecular Weight: 104.21
• CAS Registry Number: 1679-09-0
• EC Number: 216-843-4

Properties

• Density: 0.82588 g/cm³ (20 ºC)^*
• Boiling point: 99.1 ºC^**
• Refractive index: 1.43813 (589.3 nm 20 ºC)^*
• Flash point: -1.1±0.0 ºC, Calc.^***

^* Morris, J. C.; Journal of Chemical and Engineering Data 1960, V5, P112-16.

^** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

^*** Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Flammable liquids	Flam. Liq.	2	H225
Acute toxicity	Acute Tox.	4	H302
Skin sensitization	Skin Sens.	1	H317