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        Shaoxing Huawei Chemical Co.,Ltd.
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        Fuming sulfuric acid

        【English name】:Oleum, Sulphuric acid fuming
        【Chinese name】:20%Fuming sulfuric acid, 105 acid
        【CAS】:7664-93-9
        【Molecular formula】:H2SO4·xSO3
        【Quality standard】:

        Item

        National standard

        Index

        Sulfuric acid % ≥

        104.5

        104.5-105.2

        Ignition residue % ≤

        0.03

        0.02

        Iron content % ≤

        0.010

        0.008

        As % ≤

        0.0001

        0.0001

        【Use】:Widely used in synthetic dyes, explosive and pharmaceutical industry.

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