TRIS Ultrapure 99.9% (hydroxymethyl) aminomethane
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Ultra Pure 99.9%
Chemical Breakdown: C4H11NO3=121.1
Specifications |
|
| Purity | 99.9~101.0% |
| Solubility (0.1M, Water) | Clear |
| APHP Color,20% Aqueous solution | <10# |
| Melting point | 168.5~171.5 |
| pH-value(5%; water) | 10.0~11.5 |
| In water insoluble | <0.005% |
| Abs.@280nm; 10%; 1cm; water | <0.03 |
| Abs.@260nm; 10%; 1cm; water | <0.06 |
| Loss on drying (105°C,3h) | <0.3% |
| Residue after Ignition | <0.1% |
| Heavy Metals | <0.0005% |
| Chloride (Cl) | <0.0002% |
| Sulfate (SO4) | <0.0005% |
| As (Arsenic) | <0.0003% |
| Ca (Calcium) | <0.0005% |
| Cu (Copper) | <0.0005% |
| Fe (Iron) | <0.0001% |
| Mg (Magnesium) | <0.0005% |
| Mn (Manganese) | <0.0005% |
| Pb (Lead) | <0.0002% |
| Zn (Zinc) | <0.0005% |
| Appearance | White crystalline powder |
Store dry at room temperature (18-25°C)
CAS 77-86-1
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For research use only — not intended for clinical or diagnostic purposes.
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