Substance profile
Thioquinox
Thioquinox is a brownish yellow solid and is odorless.
01 · Identification
What Thioquinox is
Thioquinox is a brownish yellow solid and is odorless. Its molecular formula is C9H4N2S3 and its molecular weight is 236.3 g/mol. It melts at 180 °C, is practically insoluble in water.
Under the GHS it carries the signal word Warning.
Other names for Thioquinox
- thioquinox (ISO)
- 2-thio-1,3-dithiolo(4,5,b)quinoxaline
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H302 | Harmful if swallowed. |
03 · Physical and chemical properties
Thioquinox properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 180 °C (356 °F) | HSDB | |
| Solubility | Slightly soluble in acetone, methanol. Anhydrous ethanol, -petroleum ether and kerosene | HSDB | |
| Insoluble in water | HSDB | ||
| PRACTICALLY INSOL IN MOST ORG SOLVENTS | HSDB | ||
| Vapor pressure | 1e-7 mmHg | at 20 °C | HSDB |
| 6e-8 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.