Substance profile
Dimethenamid-P
Dimethenamid-P is a faintly yellow viscous liquid with an aromatic odor.
01 · Identification
What Dimethenamid-P is
Dimethenamid-P is a faintly yellow viscous liquid with an aromatic odor. Its molecular formula is C12H18ClNO2S and its molecular weight is 275.8 g/mol. It boils at 280 °C, melts at -50 °C.
Under the GHS it carries the signal word Warning.
Other names for Dimethenamid-P
- dimethenamid-P (ISO)
- 2-chloro-N-(2,4-dimethyl-3-thienyl)-N-[(2S)-1-methoxypropan-2-yl]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 |
|---|---|
| H302 | Harmful if swallowed. |
| 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, P270, P272, P273, P280, P301, P312, P313, P330, P333, P391, P501
03 · Physical and chemical properties
Dimethenamid-P 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 | 280 °C (536 °F) | above this value | HSDB |
| 122.6 °C (252.7 °F) | at 0.07 mmHg (reduced pressure) | HSDB | |
| Melting point | -50 °C (-58 °F) | below this value | HSDB |
| Density | 1.195 g/cm³ | at 25 °C | HSDB |
| Solubility | In water, 1449 mg/L at 25 °C | at 25 °C | HSDB |
| In hexane 20.8 g/100 mL; miscible with acetone, acetonitrile, toluene, and n-octanol (all at 25 °C) | at 25 °C | HSDB | |
| Vapor pressure | 0.0000183 mmHg | at 25 °C | HSDB |
| 0.000018 mmHg | Haz-Map | ||
| Corrosivity | Non-corrosive for 2 years in HDPE and stainless steel containers at 5 °C | at 5 °C, high density polyethylene | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Dimethenamid-P
Storage conditions
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Recommended storage temperature 2 - 8 °C
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Dimethenamid-P in the storage compatibility matrix →