Substance profile
Triasulfuron
Triasulfuron is a fine white powder.
01 · Identification
What Triasulfuron is
Triasulfuron is a fine white powder. Its molecular formula is C14H16ClN5O5S and its molecular weight is 401.8 g/mol. It melts at 186 °C.
Under the GHS it carries the signal word Warning.
Other names for Triasulfuron
- triasulfuron (ISO)
- 1-[2-(2-chloroethoxy)phenylsulfonyl]-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea
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.
03 · Physical and chemical properties
Triasulfuron 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 | 186 °C (366.8 °F) | HSDB | |
| 178.1 °C (352.6 °F) | decomposes, decomposes | HSDB | |
| Density | 1.5 g/cm³ | HSDB | |
| Solubility | In water, 1.5 g/L (pH 7) at 20 °C | at 20 °C | HSDB |
| In water, 32 mg/L (pH 5), 815 mg/L (pH 7), 13,500 mg/L (pH 8.2) at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 7.5e-13 mmHg | at 20 °C | HSDB |
| 2.25e-10 mmHg | at 25 °C | HSDB | |
| 1.5e-8 mmHg | below this value, at 25 °C | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Source notes
Further notes on Triasulfuron
These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.
Solubility
Solubility (g/L at 25 °C): Acetone 14, dichloromethane 36, ethyl acetate 4.3); Solubility (mg/L at 25 °C): ethanol 420, n-octanol 130, n-hexane 0.04, toluene 300
Source: HSDB
05 · Handling and storage
Storing and handling Triasulfuron
Storage conditions
Keep container tightly closed in a dry and well-ventilated place.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Triasulfuron in the storage compatibility matrix →