马来酸酐, anhydrous 99%, in pastille form

供应商: Thermo Fisher Scientific
Danger

125240010 125240250
ACRO125240010EA 0 CNY
ACRO125240010 ACRO125240250
马来酸酐, anhydrous 99%, in pastille form
马来酸酐
分子式: C₄H₂O₃
沸点: 200 °C (760 mmHg)
溶点: 52…55 °C
密度: 1,48 g/cm³ (20 °C)
闪点: 102 °C
存储条件: Ambient
MDL编号: MFCD00005518
CAS号: 108-31-6
EINECS: 203-571-6
UN号: 2215
ADR: 8,III
Merck Index: 13,05727
https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=e48fcfd091622f49001009b383d7d62edf3521f5&vid=ca4d52f333124f172be23afe0d6384d67fc57a66&prid=web&clid=SAPDAM

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产品技术规格

Appearance White Pastilles
Infrared spectrum Conforms
Melting point 52 to 55 °C
Free acid ≤0.5 % (as maleic acid)
Titration with NaOH ≥98.5 %
Sulfate (SO4) ≤0.0001 %
Aluminium (Al) ≤1 ppm
Ammonium (NH4) ≤0.0003 %
Arsenic (As) ≤0.1 ppm
Barium (Ba) ≤0.5 ppm
Cadmium (Cd) ≤0.01 ppm
Calcium (Ca) ≤0.5 ppm
Chromium (Cr) ≤0.02 ppm
Cobalt (Co) ≤0.01 ppm
Copper (Cu) ≤0.02 ppm
Iron (Fe) ≤0.2 ppm
Lead (Pb) ≤0.02 ppm
Lithium (Li) ≤0.02 ppm
Magnesium (Mg) ≤0.1 ppm
Manganese (Mn) ≤0.01 ppm
Nickel (Ni) ≤0.02 ppm
Potassium (K) ≤0.1 ppm
Sodium (Na) ≤0.5 ppm
Strontium (Sr) ≤0.02 ppm
Zinc (Zn) ≤0.05 ppm
Heavy metals (as Pb) ≤1 ppm


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