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HomeProduct name listN-Phenylmaleimide

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
N-Phenylmaleimide Structural

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)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
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

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