C4H11NO3
Tris(hydroxymethyl)aminomethane Meets USP spec.
High quality Tris(hydroxymethyl)aminomethane meeting the specifications of the USP (United States Pharmacopeia).
Main characteristics
Product specificities
| Identification A | Passes USP test |
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| Identification B | Passes USP test |
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| Identification C | Passes USP test |
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| Appearance | White crystalline powder |
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| Assay (T) | 99.0-101.0%w/w |
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| Melting range | 168-172°C |
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| pH (5% in water) | 10.0-11.5 |
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| Residue after ignition | max. 0.1% |
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| Loss on drying (105°C) | max. 1.0% |
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| Endotoxin activity | max. 0.03EU/mg |
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| Organic volatile impurities | Meets the requirements |
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| Heavy metals (as Pb) | max. 0.001% |
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