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CAS No.: [ CAS 13478-10-9 ]
Molecular formula: FeCl2.4H2O
Molecular weight: 198.71
Property: blue-green crystal; deliquesce; soluble in water, alcohol and acetic acid, lightly soluble in acetone and insoluble in ether
Uses: waster water treatment, reducing agent, mordant in dyeing, pharmaceutical, metallurgy and photography field.
Enterprise standard: Factory standard
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| 98% High purity |
98% Energy level |
99.5% Pharmaceutical Grade |
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Ordinal
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The　examination iterm
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Factory standard
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Factory standard
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1
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（Appearance）
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(Blue-green crystal)
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2
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（FeCl2.4H2O）
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≥98%
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≥99%
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3
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(Insolubles in water)
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≤0.01%
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≤0.01%
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4
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(以SO42-计)
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≤0.003%
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≤0.003%
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5
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（Fe3+)
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≤0.01%
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≤0.01%
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6
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(Cu)
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≤0.005%
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≤0.005%
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7
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(Alkaline-earth metal)
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≤0.10%
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≤0.10%
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8
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(As)
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≤0.002%
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≤0.002%
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9
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(Zn)
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≤0.005%
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≤0.005%
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10
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(Mn)
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≤0.07%
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≤0.07%
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11
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(Pb)
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≤0.006%
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≤0.006%
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