Substance profile
Diphenamid
Diphenamid is a WHITE with a no appreciable odor.
01 · Identification
What Diphenamid is
Diphenamid is a WHITE with a no appreciable odor. Its molecular formula is C16H17NO and its molecular weight is 239.31 g/mol. It melts at 135 °C.
Under the GHS it carries the signal word Warning.
Other names for Diphenamid
- diphenamid (ISO)
- N,N-dimethyl-2,2-diphenylacetamide
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. |
| H412 | Harmful to aquatic life with long lasting effects. |
Precautionary statements: P270, P273, P301, P312, P330, P501
03 · Physical and chemical properties
Diphenamid 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 | 135 °C (275 °F) | ICSC | |
| 135 °C (275 °F) | range, midpoint shown | HSDB | |
| 131.5 °C (268.7 °F) | range, midpoint shown | HSDB | |
| Density | 1.2 g/cm³ | ICSC | |
| 1.17 g/cm³ | at 23.3 °C | HSDB | |
| Solubility | SOLUBILITY (G/100 ML SOLVENT @ 27 °C): 18.9 IN ACETONE, 16.5 IN N,N-DIMETHYLFORMAMIDE, 32.0 IN PHENYL CELLOSOLVE, 0.026 IN WATER, 5.01 IN XYLENE | at 27 °C | HSDB |
| water solubility = 260 mg/l @ 27 °C | at 27 °C | HSDB | |
| Solubility in water, g/100ml at 27 °C: 0.03 | at 27 °C | ICSC | |
| Vapor pressure | 3e-8 mmHg | at 25 °C | HSDB |
| 3e-8 mmHg | Haz-Map | ||
| Corrosivity | Non-corrosive | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Diphenamid
Incompatible materials
... Incompatible with highly alkaline materials.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
DIPHENAMID is an amide. Amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx). This compound is decomposed by strong base or acid.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Diphenamid in the storage compatibility matrix →