Tris-UP 生物緩衝劑
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CAS No. | 77-86-1 ( CAS No. is listed on the TSCA inventory ) |
EC No. | 201-064-4 |
Synonyms | Tris ( Hydroxymethyl ) aminomethane |
Chinese Name | 三羥甲基氨基甲烷 2-氨基-2-羥甲基-1, 3-丙二醇 |
Molecular Structure | |
Molecular Formula | C4H11NO3 |
Molecular Weight | 121.14 |
Meleing point | 171 ~ 172℃ |
Water solubility | Solubility ( 40% w/w in H2O ) clear, pale yellow |
pKa ( 25℃ ) | 8.0 ± 0.2 |
Appearance | White Crystal powder |
Purity Assay | ≥ 99.0% ( Titration ) Heavy metals ( as Pb ) ≤ 5ppm |
Moisture | ≤ 0.5% |
UV A260 / A280nm | UV ( 40% in H2O ) A260nm ≤ 0.05 A280 ≤ 0.05 |
Storages | Room Temperature |
Description | It is widely used as a component of buffer solutions, with an effective pH range between 6.5 and 9.7. |
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