Substance profile
Dichlorprop
Dichlorprop is colorless crystals and is odorless.
01 · Identification
What Dichlorprop is
Dichlorprop is colorless crystals and is odorless. It melts at 118 °C.
Under the GHS it carries the signal word Danger. It is classed as carcinogens.
Other names for Dichlorprop
- dichlorprop (ISO)
- 2-(2,4-dichlorophenoxy) 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 |
|---|---|
| H312 | Harmful in contact with skin. |
| H302 | Harmful if swallowed. |
| H315 | Causes skin irritation. |
| H318 | Causes serious eye damage. |
Precautionary statements: P264, P270, P280, P301, P302, P305, P310, P312, P313, P330, P332, P338, P352
03 · Physical and chemical properties
Dichlorprop 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 | 117.5 °C (243.5 °F) | HSDB | |
| 117.5 °C (243.5 °F) | range, midpoint shown | ICSC | |
| Density | 1.42 g/cm³ | HSDB | |
| 1.4 g/cm³ | ICSC | ||
| Solubility | Solubility in water 900 g acid equivalent/L at 20 °C | at 20 °C, Dichlorprop-potassium | HSDB |
| Solubility in water, 660 g acid equivalent/L at 20 °C | at 20 °C, Sodium salt | HSDB | |
| Solubility in water, 740 g acid equivalent/L at 20 °C | at 20 °C, Diethanolamine salt | HSDB | |
| Vapor pressure | 7.5e-8 mmHg | at 20 °C | HSDB |
| 8e-8 mmHg | Haz-Map | ||
| negligible | ICSC | ||
| Flash point | 204 °C (399.2 °F) | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Source notes
Further notes on Dichlorprop
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.
Corrosivity
CORROSIVE TO METALS IN PRESENCE OF WATER; CONCN SOLN (480 G AE/L) DOES NOT CORRODE IRON OR TIN PLATE OF IRON IF PH IS GREATER THAN OR EQUAL TO 8.6 & TEMP LESS THAN 70 °C.
Source: HSDB
05 · Handling and storage
Storing and handling Dichlorprop
Storage conditions
If stored below freezing, /it/ may be necessary to warm to 40 °F and agitate before using.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
2,4-DP is an organic acid. Neutralizes bases in exothermic reactions.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Dichlorprop in the storage compatibility matrix →