HEPES鈉鹽為白色結晶，溶于水。Buffer緩沖范圍 PH 6.0-8.5, PKa 7.6 at 20°C
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Purity
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98.0~101.0%
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Loss on drying (105℃)
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≤6.0%
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pH(1% aq.)
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9.5~10.5
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Solubility（0.1M aq.）
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Clear, colorless solution
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Appearance
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White crystalline powder
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