N-Phenylmaleimide
- CAS NO.:941-69-5
- Empirical Formula: C10H7NO2
- Molecular Weight: 173.17
- MDL number: MFCD00005502
- EINECS: 213-382-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-24 19:19:26
What is N-Phenylmaleimide?
Chemical properties
yellow crystalline powder or needles
The Uses of N-Phenylmaleimide
N-phenylmaleimide can be used as cross-linking agent in rubber vulcanization, can improve the heat resistance, impact resistance, hot melt processability. Also be used to produce heat-resistant polymers.
The Uses of N-Phenylmaleimide
Dienophile in the Diels-Alder reaction. Usually gives cryst adducts.
The Uses of N-Phenylmaleimide
N-Phenylmaleimide is used as a dipolarophile in 1,3-cycloaddition reaction with a nitrone, useful for the preparation of crystalline adducts of dienes. It is used as a plastic modifier.
General Description
Yellow needles.
Air & Water Reactions
Sparingly water soluble .
Reactivity Profile
N-Phenylmaleimide is an imide. 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).
Fire Hazard
Flash point data for N-Phenylmaleimide are not available. N-Phenylmaleimide is probably combustible.
Flammability and Explosibility
Non flammable
Properties of N-Phenylmaleimide
Melting point: | 85-87 °C (lit.) |
Boiling point: | 162-163 °C/12 mmHg (lit.) |
Density | 1.2427 (rough estimate) |
vapor pressure | 0.021Pa at 25℃ |
refractive index | 1.5200 (estimate) |
Flash point: | 162-163°C/12mm |
storage temp. | Sealed in dry,Room Temperature |
solubility | 815g/l insoluble |
form | Crystalline Powder or Flakes |
pka | -0.81±0.20(Predicted) |
color | Yellow |
Water Solubility | Soluble in water (slightly ), methanol, ethanol, and benzene. |
Merck | 14,7299 |
BRN | 125098 |
CAS DataBase Reference | 941-69-5(CAS DataBase Reference) |
NIST Chemistry Reference | N-Phenylmaleimide(941-69-5) |
EPA Substance Registry System | N-Phenylmaleimide (941-69-5) |
Safety information for N-Phenylmaleimide
Signal word | Danger |
Pictogram(s) |
Skull and Crossbones Acute Toxicity GHS06 Environment GHS09 |
GHS Hazard Statements |
H301:Acute toxicity,oral H400:Hazardous to the aquatic environment, acute hazard |
Precautionary Statement Codes |
P273:Avoid release to the environment. |
Computed Descriptors for N-Phenylmaleimide
InChIKey | HIDBROSJWZYGSZ-UHFFFAOYSA-N |
Abamectin manufacturer
Minal Intermediates
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