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Tris ( Hydroxymethyl ) aminomethane hydrochloride [ TRIS HCL ] 99.5% MIN, CAS NO 1185-53-1
Specifications:
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| Appearance | White crystalline |
| Infrared | Must conform to known reference |
| Assay (By Titration 0.1N NaOH/Dried basis) | ≥99.5% |
| Melt point | 149-153 |
| Water Content (By Karl Fischer) | ≤0.5% |
| Loss on drying | ≤0.5% |
| PH (1.0% aqueous ) | 4.2-5.0 |
| Ultraviolet Absorbance (1.0M aqueous) | A(260) ≤0.06 Abs unit A(280) ≤0.05 Abs unit |
| Solubility (1.0M aqueous) | Clear, colorless solution |
| Heavy metal | ≤5ppm |
| Fe | ≤5ppm |
Description:
Tris(Hydroxymethyl)aminomethane hydrochloride [TRIS·HCL]
CAS No.: 1185-53-1
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