C4H11NO3
Tris(hydroxymethyl)aminomethane Molecular biology
Molecular biology grade Tris(hydroxymethyl)aminomethane. Commonly used in buffer solutions, the pKa of Tris(hydroxymethyl)aminomethane is 8.07 at 25 °C implying an effective buffering range between pH 7.07 and 9.07.
Main Properties
Product Specification
| Appearance | White crystalline powder |
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| Assay (T) | 99.8-100.2%w/w |
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| pH (0.5M in water) | 10-11.5 |
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| Solubility (0.5M in Water) | Clear colorless solution |
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| Loss on drying (105°C) | max. 0.3% |
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| A280nm (0.5M) | max. 0.05AU |
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| Heavy metals (as Pb) | max. 0.0005% |
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| Iron (Fe) | max. 0.0001% |
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| DNase activity | Not detected |
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| RNase activity | Not detected |
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| Protease activity | Not detected |
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