112-55-0
Product Name:
1-Dodecanethiol
Formula:
C12H26S
Synonyms:
1-Dodecanethiol;NDM;Dodecyl mercaptan;Lauryl mercaptan;Lauryl mercaptan, Dodecyl mercaptan
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Lauryl mercaptan is an oily colorless liquid with a mild skunk odor. Freezing point 19 °F. (USCG, 1999) |
|---|---|
| Color/Form | Colorless, water-white, or pale-yellow, oily liquid [Note: A solid below 15 degrees F]. |
| Odor | MILD CHARACTERISTIC |
| Boiling Point | 511 to 541 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 19 °F (NTP, 1992) |
| Flash Point | 190 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
| Density | 0.85 at 59 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | greater than 1 (estimated) (NTP, 1992) (Relative to Air) |
| Vapor Pressure | less than 1 mmHg (estimated) (NTP, 1992) |
| Decomposition | When heated to decomposition it emits toxic fumes of /sulfur oxides/. |
| Odor Threshold | Odor Threshold Low: 0.00025 [mmHg] Odor threshold from ACGIH |
| Refractive Index | Index of refraction: 1.4589 at 20 °C/D |
| Kovats Retention Index | 1520 |
| Other Experimental Properties | Saturated vapor concentration is approximately 8 to 9 ppm |
| Chemical Classes | Other Classes -> Thiols |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 ![]() Environment GHS09 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H317:Sensitisation, Skin H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. 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. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 202.40 g/mol |
|---|---|
| XLogP3 | 6.1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 10 |
| Exact Mass | 202.17552200 g/mol |
| Monoisotopic Mass | 202.17552200 g/mol |
| Topological Polar Surface Area | 1 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 81.2 |
| 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
Lauryl mercaptan is an oily colorless liquid with a mild skunk odor. Freezing point 19 °F. (USCG, 1999)



