75-33-2
Product Name:
2-Propanethiol
Formula:
C3H8S
Synonyms:
1-Methylethanethiol;2-Propanethiol;Isopropyl mercaptan
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Isopropyl mercaptan is a white liquid with a strong skunk-like odor. (USCG, 1999) |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Extremely unpleasant odor |
| Boiling Point | 126.6 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -202.8 °F (USCG, 1999) |
| Flash Point | -30 °F (USCG, 1999) |
| Solubility | Miscible in ethanol, ether; very soluble in acetone; soluble in chloroform |
| Density | 0.814 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Pressure | 277.0 [mmHg] |
| Decomposition | When heated to decomposition it emits highly toxic fumes of /sulfur oxides/. |
| Refractive Index | Index of refraction = 1.4255 at 20 °C/D |
| Dissociation Constants | pKa = 10.86 |
| Kovats Retention Index | 539 562 522 |
| Other Experimental Properties | Boiling range 51-55 °C |
| Chemical Classes | Other Classes -> Thiols |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H225:Flammable liquids H317:Sensitisation, Skin H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
COMPUTED DESCRIPTORS
| Molecular Weight | 76.16 g/mol |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 76.03467143 g/mol |
| Monoisotopic Mass | 76.03467143 g/mol |
| Topological Polar Surface Area | 1 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 10.8 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Isopropyl mercaptan is a white liquid with a strong skunk-like odor. (USCG, 1999)