Substance profile
Propachlor
Propachlor is a light tan solid.
01 · Identification
What Propachlor is
Propachlor is a light tan solid. It melts at 77 °C.
Under the GHS it carries the signal word Warning.
Other names for Propachlor
- propachlor (ISO)
- 2-chloro-N-isopropylacetanilide
- α-chloro-N-isopropylacetanilide
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. |
| H319 | Causes serious eye irritation. |
| H317 | May cause an allergic skin reaction. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P261, P264, P270, P272, P273, P280, P301, P305, P312, P313, P330, P333, P337, P338, P391, P501
03 · Physical and chemical properties
Propachlor 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 | 110 °C (230 °F) | at 0.03 mmHg (reduced pressure) | HSDB |
| Melting point | 77 °C (170.6 °F) | HSDB | |
| 170 °C (338 °F) | HSDB | ||
| Density | 1.242 g/cm³ | at 25 °C | HSDB |
| Solubility | Sol in common org solvents except aliphatic hydrocarbons | HSDB | |
| SLIGHTLY SOL IN DIETHYL ETHER | HSDB | ||
| In acetone 448, benzene 737, toluene 342, ethanol 408, xylene 239, chloroform 602, carbon tetrachloride 174, diethyl ether 219 (all in g/kg, 25 °C). | at 25 °C | HSDB | |
| Vapor pressure | 0.00074 mmHg | at 25 °C | HSDB |
| 0.03 mmHg | at 110 °C | HSDB | |
| 0.00074 mmHg | Haz-Map | ||
| Corrosivity | No corrosion to number 316 and 304 stainless steel, aluminum, and heresite; corrosive to ordinary steel. | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Propachlor
Storage conditions
Store technical material and formulations away from heat, under lock and key, and out of reach of children, animals and unathorized personel. Store in an area designated for herbicide storage, preferably without drains. Store away from food and animal feed.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible with alkaline materials, strong acids, strong oxidizers. Attacks carbon steels.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
A chloroacetanilide derivative.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Propachlor in the storage compatibility matrix →