Substance profile
Fenoprop
Fenoprop is a colorless powder with a low odor.
01 · Identification
What Fenoprop is
Fenoprop is a colorless powder with a low odor. Its molecular formula is C9H7Cl3O3 and its molecular weight is 269.5 g/mol. It melts at 182 °C.
Under the GHS it carries the signal word Warning.
Other names for Fenoprop
- fenoprop (ISO)
- 2-(2,4,5-trichlorophenoxy)propionic acid
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. |
| H315 | Causes skin irritation. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P264, P270, P273, P280, P301, P302, P312, P313, P330, P332, P352, P391, P501
03 · Physical and chemical properties
Fenoprop 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 |
|---|---|---|---|
| Boiling point | 148.89 °C (300 °F) | above this value, at 0.5 mmHg (reduced pressure) | CAMEO |
| Melting point | 181.6 °C (358.9 °F) | DOE PAC | |
| 180 °C (356 °F) | range, midpoint shown | HSDB | |
| 176.11 °C (349 °F) | range, midpoint shown | CAMEO | |
| Density | 0.4389 g/cm³ | HSDB | |
| 1.2085 g/cm³ | at 20 °C | HSDB | |
| Solubility | 0.014% water at 25 °C, 15.2% acetone, 0.16% benzene, 0.024% carbon tetrachloride, 7.13% diethyl ether, 0.017% heptane, 10.5% methanol | at 25 °C | HSDB |
| In acetone 180, methanol 134, diethyl ether 98, heptane 0.86 (all in g/kg , 25 °C) | at 25 °C | HSDB | |
| Vapor pressure | 0.00000997 mmHg | Haz-Map | |
| Corrosivity | Acid is slightly corrosive | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Source notes
Further notes on Fenoprop
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
/2,4,5-TP's/ acidic forming amine & alkali-metal salts which are sol in water, acetone, lower alcohol; insol in aromatic & chlorinated hydrocarbons & most non-polar organic solvents. Its lower alkyl esters are slightly volatile .... They are sparingly sol in water; very sol in most organic solvents.
Source: HSDB
05 · Handling and storage
Storing and handling Fenoprop
Storage conditions
Handle carefully. Do not contaminate water, food or feed by storage ... of this product.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Fenoprop in the storage compatibility matrix →