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Appearance
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White to light beige powder or crystals
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Infrared spectrum
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Conforms
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Melting point
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174°C to 179°C
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Assay (by HClO4 titration; on dried basis)
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Min 98.5%
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Loss on drying (at 105°C; 3 hrs)
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6.0 - 9.5%
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Specific optical rotation
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-75° to -80° (20°C, 589 nm) (c=1, EtOH)
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