60-24-2
Product Name:
2-Mercaptoethanol
Formula:
C2H6OS
Synonyms:
β-Mercaptoethanol;2-Hydroxyethylmercaptan;2-Mercaptoethanol;BME;Thioethylene glycol
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Thioglycol appears as a water-white liquid. May be toxic by ingestion, inhalation, or skin absorption. |
|---|---|
| Color/Form | Water-white mobile liquid |
| Odor | Strong disagreeable odor |
| Boiling Point | 315 to 316 °F at 742 mmHg (decomposes) (NTP, 1992) |
| Melting Point | -148 °F (NTP, 1992) |
| Flash Point | 165 °F (NFPA, 2010) |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Density | 1.1143 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Density | 2.69 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 68 °F (NTP, 1992) |
| LogP | -0.3 (estimated) |
| Autoignition Temperature | 295 °C |
| Decomposition | When heated to decomposition it emits highly toxic fumes of /sulfur oxides/. |
| Viscosity | 3.43 cP |
| Odor Threshold | Odor Threshold Low: 0.12 [mmHg] Odor Threshold High: 0.64 [mmHg] [Hawley] Odor threshold from CHEMINFO |
| Refractive Index | Index of refraction: 1.4996 at 20 °C/D |
| Dissociation Constants | 9.72 (at 25 °C) |
| Kovats Retention Index | 722 717 717 725 724 724 |
| Other Experimental Properties | Heat ionization at 6.21 kcal mole |
| Chemical Classes | UVCB |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Skull and Crossbones Acute Toxicity GHS06 ![]() Health Hazard GHS08 ![]() Environment GHS09 |
| GHS Hazard Statements |
H310:Acute toxicity,dermal H315:Skin corrosion/irritation H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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 | 78.14 g/mol |
|---|---|
| XLogP3 | -0.2 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 78.01393598 g/mol |
| Monoisotopic Mass | 78.01393598 g/mol |
| Topological Polar Surface Area | 21.2 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 10 |
| 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
Thioglycol appears as a water-white liquid. May be toxic by ingestion, inhalation, or skin absorption.




