2-Propanethiol

Modify Date: 2025-08-25 18:56:34

2-Propanethiol Structure
2-Propanethiol structure
Common Name 2-Propanethiol
CAS Number 75-33-2 Molecular Weight 76.16060
Density 0.82 g/mL at 25 °C(lit.) Boiling Point 57-60 °C(lit.)
Molecular Formula C3H8S Melting Point −131 °C(lit.)
MSDS Chinese USA Flash Point <−30 °F
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Danger

 Names

Name propane-2-thiol
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.82 g/mL at 25 °C(lit.)
Boiling Point 57-60 °C(lit.)
Melting Point −131 °C(lit.)
Molecular Formula C3H8S
Molecular Weight 76.16060
Flash Point <−30 °F
Exact Mass 76.03470
PSA 38.80000
LogP 1.32460
Vapour density 2.6 (vs air)
Vapour Pressure 455 mm Hg ( 37.8 °C)
Index of Refraction n20/D 1.426(lit.)
Stability Stable. Highly flammable - note low flashpoint. May form explosive mixtures with air.

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Danger
Hazard Statements H225-H315-H319-H335
Precautionary Statements P210-P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes F:Flammable;Xi:Irritant;
Risk Phrases R11;R36/38
Safety Phrases S16-S26-S9-S37/39-S33
RIDADR UN 2402 3/PG 2
WGK Germany 3
RTECS TZ7302000
Packaging Group II
Hazard Class 3

 Synthetic Route

 Synonyms

iso-propyl mercaptan
iso-C3H7SH
Isopropanethiol
PROPANTHIOL-2
2-mercaptopropane
2-Propanethiol
i-propyl mercaptan
propane-2-thiolate
Isopropylthiol
Propan-2-thiol
EINECS 200-861-4
FEMA 3897
MFCD00004863
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