Acetic anhydride
China Chemical| 03/07/2009 13:58:43
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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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R 10-20/22-34 S 26-36/37/39-45 UN 1715
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Acetic anhydride AR
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Specification GB/T 677-1992
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Assay
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>=98.5%
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Evaporation residue
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<=0.002%
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Chloride(Cl)
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<=0.0002%
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Sulfate(SO4)
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<=0.0005%
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Phosphate(PO4)
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<=0.0005%
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Iron(Fe)
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<=0.0001%
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Copper(Cu)
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<=0.0001%
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Lead(Pb)
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<=0.0001%
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Substances reducing potassium permanganate(as O)
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<=0.015%
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Ord.No.
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Packaging
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Quantity
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Acetic anhydride CP
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Specification GB/T 677-1992
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Assay
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>=96.0%
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Evaporation residue
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<=0.005%
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Chloride(Cl)
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<=0.0005%
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