Substance profile
Forchlorfenuron
Forchlorfenuron is a white to off-white crystalline powder.
01 · Identification
What Forchlorfenuron is
Forchlorfenuron is a white to off-white crystalline powder. Its molecular formula is C12H10ClN3O and its molecular weight is 247.68 g/mol. It melts at 168 °C.
Under the GHS it carries the signal word Warning.
Other names for Forchlorfenuron
- forchlorfenuron (ISO)
- 1-(2-chloro-4-pyridyl)-3-phenylurea
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 |
|---|---|
| H351 | Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H411 | Toxic to aquatic life with long lasting effects. |
Precautionary statements: P201, P273, P280, P308, P313, P391, P501
03 · Physical and chemical properties
Forchlorfenuron 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 | 167.5 °C (333.5 °F) | range, midpoint shown | HSDB |
| Density | 1.3839 g/cm³ | at 25 °C | HSDB |
| Solubility | In methanol 119 g/L, ethanol 149 g/L, acetone 127 g/L, chlorofrom 2.7 g/LApplied at 1-1000 ppm, depending on crop. | HSDB | |
| In water = 39 mg/L (pH 6.4, 21 °C) | at 21 °C | HSDB | |
| Vapor pressure | 3.45e-10 mmHg | at 25 °C | HSDB |
| Flash point | FLASH POINT, °F: >200 Pensky Martin Closed Cup | Kim Blue Plant Growth Regulator | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Forchlorfenuron
Storage conditions
Store between 40 °F and 120 °F. /Kim Blue Plant Growth Regulator/
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Keep away from strong oxidizers such as hydrogen peroxide, bromine, and chromic acid. /Kim Blue Plant Growth Regulator/
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Forchlorfenuron in the storage compatibility matrix →