N-Ethyl Maleimide 99% (NEM) For Synthesis

  • CAS :
    128-53-0
  • REF :
    25251
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QUANTITY PRICE ENQUIRY
5 gm Rs 1840.00
25 gm Rs 8970.00

Product Information

  • Formula: C₆H₇NO₂
  • CAS: 128-53-0
  • EC No.: 204-896-4
  • M (Molar Mass): 125.13 g/mol
  • mp (Melting Point): 43-46°C
  • bp (Boiling Point): 195°C
  • Solubility: Soluble in ethanol, acetone, chloroform; slightly soluble in water

Chemicals Properties

  • Assay (HPLC): ≥ 99.0%
  • Appearance: White to pale yellow crystalline powder
  • Melting Range: 42-47°C
  • Identification (IR): Passes test
  • Loss on Drying: ≤ 0.5%
  • Sulfated Ash: ≤ 0.1%
  • Heavy Metals (as Pb): ≤ 20 ppm
  • Purity (HPLC): ≥ 99.0%
  • Related Imides (HPLC): ≤ 0.5%
  • Sulfhydryl Reactivity: Reacts with thiol groups
  • Nitrogen Content: 11.0-11.5%

Hazard Information

  • Hazard: Toxic if swallowed. Causes severe skin burns and eye damage.
  • Safety: Use in chemical fume hood. Wear appropriate protective equipment.
  • Storage: Store in tightly closed container at 2-8°C. Protect from light.