訂貨：
| 中文名稱: | 雙（2-羥乙基）氨基（三羥甲基）甲烷 |
| 中文同義詞: | 雙（2-羥乙基）氨基（三羥甲基）甲烷;2,2-雙二羥甲基苯胺;雙（2-羥乙基）-三羥甲基氨基甲烷;二（２-羥乙基）亞氨基三（羥甲基）甲烷;雙（2-羥甲基）氨基-三（羥甲基）甲烷;N,N'-二羥基乙基-亞氨基-三羥基甲基氨基甲烷（BIS-TRIS）;雙-羥乙基三羥甲基甲胺;雙（2-羥乙基）胺三（羥甲基）甲烷 |
| 英文名稱: | 2,2-Bis（hydroxymethyl）-2,2',2''-nitrilotriethanol |
| 英文同義詞: | BIS（2-HYDROXYETHYL）IMINOTRIS（HYDROXYMETHYL）METHANE;BIS（2-HYDROXYETHYL）IMINO-TRIS（HYDROXYMETHYL）PROPANE;BIS（2-HYDROXYETHYL）AMINO-TRIS（HYDROXYMETHYL）METHANE;BIS（HYDROXYETHYL）IMINO-TRIS-（HYDROXYMETHYL）-METHANE;''BIS-TRIS'';BIS-TRIS;BIS-TRIS BUFFER;2,2-BIS（HYDROXYMETHYL）-2,2',2''-NITRILOETHANOL |
| CAS號: | 6976-37-0 |
| 分子式: | C8H19NO5 |
| 分子量: | 209.24 |
| EINECS號: | 230-237-7 |
| 相關類別: | 生物緩沖劑;API intermediates;Buffer |
| Mol文件: | 6976-37-0.mol |
Description
| Other Notes | Effective buffer for the assay of creatine kinase1; Effectively protects hemoglobin during freeze-drying2; Catholyte in IEF of 2-D gel electrophoresis3. |
| | Easily compare specifications for BIS-TRIS products with the BIS-TRIS specification table. |
Properties
| product line | BioUltra |
| assay | ≥99.0% （NT） |
| total impurities | insoluble matter, passes filter test |
| ign. residue | ≤0.3% |
| loss | ≤0.5% loss on drying, 20 °C （HV） |
| pH | 9.5-11.0 （25 °C, 1 M in H2O） |
| useful pH range | 5.8 - 7.2 |
| pKa （25 °C） | 6.5 |
| solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| anion traces | chloride （Cl-）: ≤50 mg/kg |
| | sulfate （SO42-）: ≤50 mg/kg |
| cation traces | Al: ≤5 mg/kg |
| | As: ≤0.1 mg/kg |
| | Ba: ≤5 mg/kg |
| | Bi: ≤5 mg/kg |
| | Ca: ≤10 mg/kg |
| | Cd: ≤5 mg/kg |
| | Co: ≤5 mg/kg |
| | Cr: ≤5 mg/kg |
| | Cu: ≤5 mg/kg |
| | Fe: ≤5 mg/kg |
| | K: ≤50 mg/kg |
| | Li: ≤5 mg/kg |
| | Mg: ≤5 mg/kg |
| | Mn: ≤5 mg/kg |
| | Mo: ≤5 mg/kg |
| | Na: ≤50 mg/kg |
| | Ni: ≤5 mg/kg |
| | Pb: ≤5 mg/kg |
| | Sr: ≤5 mg/kg |
| | Zn: ≤5 mg/kg |
| abs. | absorption1M/270 nm, H2O cut-off |
| λ | 1 M in H2O |
| UV absorption | λ: 280 nm Amax: 0.15 |
Safety
