Specification Sheet
Product Name
N-Ethylmaleimide purum p.a., ≥99.0% (HPLC)
Product Number
04260
Product Brand
sigma
CAS Number
128-53-0
Molecular Weight
125.13
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | White to Light Yellow |
| APPEARANCE (FORM) | Crystals |
| PURITY (HPLC AREA %) | ≥ 99.0 % |
| MELTING POINT | 43 - 46 C |
| WATER | ≤ 0.3 % |
| RESIDUE ON IGNITION | ≤ 0.05 % |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| CALCIUM (ICP) | ≤ 50 mg/kg |
| CADMIUM (ICP) | ≤ 50 mg/kg |
| COBALT (ICP) | ≤ 50 mg/kg |
| COPPER (ICP) | ≤ 50 mg/kg |
| IRON (ICP) | ≤ 50 mg/kg |
| POTASSIUM (ICP) | ≤ 100 mg/kg |
| SODIUM (ICP) | ≤ 100 mg/kg |
| NICKEL (ICP) | ≤ 50 mg/kg |
| LEAD (ICP) | ≤ 50 mg/kg |
| ZINC (ICP) | ≤ 50 mg/kg |
| TOTAL SULFUR AS SO4 (ICP) | ≤ 100 mg/kg |
| CHLORIDE (CL) | ≤ 50 mg/kg |