Substance profile
Acetochlor
Acetochlor is a clear, viscous liquid with an aromatic odor.
01 · Identification
What Acetochlor is
Acetochlor is a clear, viscous liquid with an aromatic odor. It melts at 10.6 °C.
Under the GHS it carries the signal word Warning.
Other names for Acetochlor
- acetochlor (ISO)
- 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide
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>. |
| H361f | Suspected of damaging fertility. |
| H332 | Harmful if inhaled. |
| H335 | May cause respiratory irritation. |
| H373 | May cause damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H315 | Causes skin 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: P201, P260, P261, P264, P270, P271, P272, P273, P280, P302, P304, P308, P312, P313, P314, P332, P333, P352, P391, P501
03 · Physical and chemical properties
Acetochlor 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 | 172 °C (341.6 °F) | at 5 mmHg (reduced pressure) | HSDB |
| 134 °C (273.2 °F) | at 0.4 mmHg (reduced pressure) | HSDB | |
| Melting point | 10.6 °C (51.1 °F) | HSDB | |
| Density | 1.136 g/cm³ | at 20 °C | HSDB |
| Solubility | Soluble in 1,2-dichloroethane, p-xylene, n-heptane | HSDB | |
| Soluble in alcohol, acetone, toluene, carbon tetrachloride | HSDB | ||
| In water, 233 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 165.014 mmHg | at 20 °C | HSDB |
| 0.000028 mmHg | Haz-Map | ||
| Flash point | 93 °C (199.4 °F) | above this value, tag closed cup | HSDB |
| Corrosivity | Formulations are sightly corrosive to mild steel | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Acetochlor
Storage conditions
Store in original container only. Keep container closed when not in use. Do not store near food or feed. /DuPont Breakfree Herbicide/
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Acetochlor in the storage compatibility matrix →