540-63-6
Product Name:
1,2-Ethanedithiol
Formula:
C2H6S2
Synonyms:
1,2-Dimercaptoethane;1,2-Ethanedithiol;Dithioglycol;Ethylene mercaptan
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Colorless liquid with an unpleasant repulsive odor; [CHEMINFO] |
|---|---|
| Color/Form | Liquid |
| Boiling Point | 146 °C at 760 mm Hg |
| Melting Point | -41.2 °C |
| Solubility | Freely soluble in alkalies |
| Density | 1.123 at 23.5 °C |
| Vapor Pressure | 5.61 [mmHg] |
| Decomposition | When heated to decomposition it emits very toxic fumes of /sulfur oxides/. |
| Odor Threshold | Odor Threshold Low: 0.03 [mmHg] Odor Threshold High: 5.6 [mmHg] Odor threshold (low = very faint, high = easily noticable) from CHEMINFO |
| Refractive Index | Index of refraction: 1.5589 at 20 °C/D |
| Dissociation Constants | pKa = 8.96 at 30 °C |
| Kovats Retention Index | 801 805 |
| Other Experimental Properties | Liquid Molar Volume = 0.084191 cu m/kmol; IG Heat of Formation = -9.70X10+6 J/kmol |
| Chemical Classes | Other Classes -> Thiols |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H301:Acute toxicity,oral |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P262:Do not get in eyes, on skin, or on clothing. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
COMPUTED DESCRIPTORS
| Molecular Weight | 94.20 g/mol |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 93.99109254 g/mol |
| Monoisotopic Mass | 93.99109254 g/mol |
| Topological Polar Surface Area | 2 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 6 |
| 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 |