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2-Propanethiol Structure

2-Propanethiol

Chemical Properties

Melting point −131 °C(lit.)
Boiling point 57-60 °C(lit.)
Density  0.82 g/mL at 25 °C(lit.)
vapor density  2.6 (vs air)
vapor pressure  455 mm Hg ( 37.8 °C)
refractive index  n20/D 1.426(lit.)
FEMA  3897 | 2-PROPANETHIOL
Flash point <−30 °F
storage temp.  Store below +30°C.
pka pK1:10.86 (25°C,μ=0.1)
form  Liquid
color  Colorless
Odor Powerful skunk.
Odor Threshold 0.000006ppm
Odor Type alliaceous
Water Solubility  Slightly soluble in water
Sensitive  Air Sensitive
JECFA Number 510
BRN  605260
Stability Stable. Highly flammable - note low flashpoint. May form explosive mixtures with air.
LogP 1.60
CAS DataBase Reference 75-33-2(CAS DataBase Reference)
NIST Chemistry Reference 2-Propanethiol(75-33-2)
EPA Substance Registry System Isopropyl mercaptan (75-33-2)

Safety Information

Hazard Codes  F,Xi
Risk Statements  11-36/37/38-36/38
Safety Statements  16-26-9-37/39-33
RIDADR  UN 2402 3/PG 2
WGK Germany  3
RTECS  TZ7302000
13
TSCA  Yes
HS Code  2930 90 98
HazardClass  3
PackingGroup  II
Hazardous Substances Data 75-33-2(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 2000 mg/kg

MSDS

Usage And Synthesis

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