1. CAS No.: 108-31-6
2. H. S No.: 2917140000
3. Molecular formula: C4H2O3
4. Molecular weight: 98.058
2. H. S No.: 2917140000
3. Molecular formula: C4H2O3
4. Molecular weight: 98.058
5. Appearance: flakes and briquettes of crystal
6. Properties: It is a kind of white granule with heavy irritant odor. Sp. Gr. (solid)1.48, m. P., 52.8, b. P 200(760mmHg), also readily sublimates. It is soluble in alcohol, ether, acetone and slightly soluble in petroleum ether, carbon tetrachloride. It is soluble in water, forming maleic acid.
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Item
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specification
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excellent
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first grade
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qualified
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Appearance
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white,light yellow piece or sliced crystal
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content(based on maleic anhydride)=
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99.5
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99.0
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98.5
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molten color =
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25
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50
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100
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solidification point= C
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52.4
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52.0
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51.5
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ash % =
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0.005
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0.005
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-
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Fe content ppm =
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7. Packing: 25kg pp bag, 22mt in the 20?FCL