chemical name: n-succinimide
synonyms: succinimide;butanimide succinic acid imide; 2,5-dioxopyrrolidine; 2,5-diketopyrrolidine; 2,5-pyrrolidinedione
cas no.: 123-56-8
molecular formula: c4h5no2
assay%≥99.0
properties: colorless needle-like crystal or light brown lustrous thin flakes; sweet; m.p. 125, b.p. 287 (slightly decomposed); easily soluble in water, alcohols or sodium hydroxide solution, insoluble in ether and chloroform.
application:
in organic synthesis, pharmacy, electroplating or chemical analysis etc.
检测项目 items |
质量标准 quality standard |
检验结果 results |
外观 appearance |
白色或近似白色结晶 white or off white crystal |
白色结晶 white crystal |
含量 assay |
≥99.00% |
99.76% |
熔点 melting point |
121.0—125.0℃ |
122.5—123.8℃ |
干燥失重 drying loss |
≤0.50% |
0.12% |
灼烧残渣 residue on ignition |
≤0.20% |
0.11% |
游离酸 free acid |
≤0.02% |
0.01% |
重金属(以pb计) heavy metals(as pb) |
≤10 mg/kg |
up to standard |
氯化物 chloride |
≤0.007% |
up to standard |
0.8微孔滤膜过滤 filtering on a 0.8um millipore filtration paper |
滤膜呈微黄色 light yellow of filter paper |
up to standard |
packing& storage:
25kg/bag or cardboard drum.