Customization: | Available |
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CAS No.: | 110-17-8 |
Formula: | C4h4o4 |
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Item | Food&Feed Grade | Industry Grade |
Appearance | White crystalline powder | / |
Purity(based on C4H4O4) | 99.5%-100.5% | 99.0%min |
Heavy metals(Pb) | ≤10ppm | ≤10ppm |
Arsenic(As) | ≤3ppm | ≤5ppm |
Water Content | ≤0.5% | ≤0.5% |
Melting range | 286°C~302°C | 286°C~302°C |
Residue on Ignition | ≤0.1% | ≤0.1% |
Chroma( in 5% ethanol) | ≤10 Hazen | / |
Maleic acid | ≤0.1% | ≤0.1% |