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Appearance
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A clear colorless liquid
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Purity (by GC)
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Min 99.7%
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Non-volatile matter
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Max 0.001%
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Water (by KF)
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Max 0.1%
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Free acid (as C4H8O2)
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Max 0.002%
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UV transmittance at 215 nm
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Min 10%
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UV transmittance at 230 nm
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Min 65%
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UV tansmittance at 235 nm
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Min 80%
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UV transmittance at 240 nm
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Min 85%
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UV transmittance at 250 nm
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Min 92%
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UV transmittance from 280 nm
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Min 98%
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