Substance profile
Dithianon
Dithianon is dark brown crystals, with a coppery luster and is odorless.
01 · Identification
What Dithianon is
Dithianon is dark brown crystals, with a coppery luster and is odorless. Its molecular formula is C14H4N2O2S2 and its molecular weight is 296.3 g/mol. It melts at 220 °C, is soluble in water.
Under the GHS it carries the signal word Warning.
Other names for Dithianon
- dithianon (ISO)
- 5,10-dihydro-5,10-dioxonaphtho(2,3-b)(1,4)dithiazine-2,3-dicarbonitrile
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. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P270, P273, P301, P312, P330, P391, P501
03 · Physical and chemical properties
Dithianon 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 | 220 °C (428 °F) | HSDB | |
| 225 °C (437 °F) | HMDB | ||
| Density | 1.58 g/cm³ | at 20 °C | HSDB |
| Solubility | Sol in dioxane, chlorobenzene | HSDB | |
| Soluble in acetone | HSDB | ||
| Solubility = 12 g/L in chloroform, 10 g/L in acetone, and 8 g/L in benzene at 20 °C; Sparingly soluble in methanol and dichloromethane | at 20 °C | HSDB | |
| Vapor pressure | 2.03e-11 mmHg | at 25 °C | HSDB |
| Flash point | 300 °C (572 °F) | above this value | HSDB |
| Corrosivity | Noncorrosive | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Dithianon
Storage conditions
Safe Storage of Pesticides. Always store pesticides in their original containers, complete with labels that list ingredients, directions for use, and first aid steps in case of accidental poisoning. Never store pesticides in cabinets with or near food, animal feed, or medical supplies. Do not store pesticides in places where flooding is possible or in places where they might spill or leak into wells, drains, ground water, or surface water.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible with petroleum oils, alkaline materials, and sulfur-containing compounds.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Dithianon in the storage compatibility matrix →