CAS No.: | 110-17-8 |
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Formula: | C4h4o4 |
EINECS: | 203-743-0 |
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Testing Item | Standard | Result |
Description | White or nearly white crystalline granules. | pass |
Melting Point | 286.0-302.0 °C | 299ºC |
PH | 3.0-3.2 (0.05% solution at 25ºC) | 2.2 |
Content | 99.5-100.5% | 99.9% |
Maleic Acid | NMT 0.1% | NMT 0.1% |
Lose on drying/Moisture | NMT 0.5 % | NMT 0.5 % |
Arsenic | NMT 3 ppm | NMT 3 ppm |
Lead | NMT 2 ppm | NMT 2 ppm |
Mercury | <2.0 | <2.0 |
Note: Special requirements of particle size should be negotiated by both suppliers and customers |