Maleic anhydride, anhydrous 99%, in pastille form
Supplier: Thermo Fisher Scientific
Certificates
About this item
Synonyms: 2,5-Furanedione
CAS Number:108-31-6
:
Formula:C₄H₂O₃
MDL Number:MFCD00005518
:98.06 g/mol
Merck Index:13,05727
Boiling Pt:200 °C (760 mmHg)
Melting Pt:52…55 °C
Density:1,48 g/cm³ (20 °C)
Flash Pt:102 °C
Storage Temperature:Ambient
EINECS:203-571-6
UN:2215
ADR:8,III
:GHS05
:GHS07
:GHS08
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- 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
Specification Test Results
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