Acetic anhydride |
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C4H6O3 |
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CAS-No.108-24-7 EC-No. 203-564-8 HS-No. 2915240000 |
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M = 102.09 g/mol Spec. density 1.08 g/cm3(20 °C) |
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Ignition temp. 330 °C(DIN 51794) |
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Flash point 49 °Cc.c. (DIN 51758) |
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Melting point -73 °C Boiling point 138-140.5 °C(1013hPa) |
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Acetic anhydride AR |
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Specification GB/T 677-1992 |
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Assay |
>=98.5% |
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Evaporation residue |
<=0.002% |
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Chloride(Cl) |
<=0.0002% |
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Sulfate(SO4) |
<=0.0005% |
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Phosphate(PO4) |
<=0.0005% |
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Iron(Fe) |
<=0.0001% |
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Copper(Cu) |
<=0.0001% |
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Lead(Pb) |
<=0.0001% |
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Substances reducing potassium permanganate(as O) |
<=0.015% |
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Ord.No. |
Packaging |
Quantity |
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Acetic anhydride CP |
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Specification GB/T 677-1992 |
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Assay |
>=96.0% |
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Evaporation residue |
<=0.005% |
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Chloride(Cl) |
<=0.0005% |
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