Product Name

  • Name

    2-METHYL-2-BUTANETHIOL

  • EINECS 216-843-4
  • CAS No. 1679-09-0
  • Article Data19
  • CAS DataBase
  • Density 0.832 g/cm3
  • Solubility
  • Melting Point 0ºC
  • Formula C5H12 S
  • Boiling Point 96.6 °C at 760 mmHg
  • Molecular Weight 104.216
  • Flash Point -1°C
  • Transport Information UN 111
  • Appearance clear
  • Safety A poison by ingestion, inhalation, and skin contact. A mild eye irritant. When heated to decomposition it emits toxic vapors of SOx.
  • Risk Codes 11
  • Molecular Structure Molecular Structure of 1679-09-0 (2-METHYL-2-BUTANETHIOL)
  • Hazard Symbols
  • Synonyms 1,1-Dimethyl-1-propanethiol;2-Ethyl-2-propanethiol; 2-Methyl-2-butanethiol; NSC 229571; NSC 60251;tert-Amyl mercaptan; tert-Amylthiol; tert-Pentyl mercaptan
  • PSA 38.80000
  • LogP 2.10480

2-Methyl-2-Butanethiol Chemical Properties

Chemistry informtion about 2-Methyl-2-Butanethiol (CAS NO.1679-09-0) is:
IUPAC Name: 2-Methylbutane-2-Thiol
Synonyms: 2-Methyl-2-Butanethiol ; Tert-Amyl Mercaptan ; 1,1-Dimethyl-1-Propanethiol ; 2-Methybutane-2-Thiol ; 2-Methyl-2-Butanethio ; 2-Methyl-Butane-2-Thiol ; 2-Methylbutane-2-Thiol ; 2-Tert-Pentyl Mercaptan
MF: C5H12S
MW: 104.21
EINECS: 216-843-4 
Density: 0.832 g/cm3
Flash Point: °C
Boiling Point: 96.6 °C at 760 mmHg
Vapour Pressure: 49.4 mmHg at 25°C
Enthalpy of Vaporization: 32.22 kJ/mol
Following is the molecular structure of 2-Methyl-2-Butanethiol (CAS NO.1679-09-0) is:

2-Methyl-2-Butanethiol Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LC inhalation > 20gm/m3/1H (20000mg/m3) behavioral: ataxia National Technical Information Service. Vol. OTS0571997,
rat LD skin > 2gm/kg (2000mg/kg)   National Technical Information Service. Vol. OTS0571997,
rat LDLo oral 5gm/kg (5000mg/kg) behavioral: altered sleep time (including change in righting reflex) behavioral: tremor behavioral: ataxia National Technical Information Service. Vol. OTS0571997,

2-Methyl-2-Butanethiol Safety Profile

Safty information about 2-Methyl-2-Butanethiol (CAS NO.1679-09-0) is:
A poison by ingestion, inhalation, and skin contact. A mild eye irritant. When heated to decomposition it emits toxic vapors of SOx. 
Risk Statements:
R11:Highly flammable. 
Safety Statements:
S9:Keep container in a well-ventilated place. 
S16:Keep away from sources of ignition. 
S33:Take precautionary measures against static discharges.
RIDADR: 1993
RTECS: EK6570500
HazardClass: 3.1
PackingGroup: II

2-Methyl-2-Butanethiol Specification

2-Methyl-2-Butanethiol (CAS NO.1679-09-0) is a flammable liquids.

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