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) |
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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 |
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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 |
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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)