产品说明
应用
所有缓冲液的pH值都与温度和浓度有关。对于Tris缓冲液，降温每℃其pH值约增加0.03单位，每10倍稀释其pH降低0.03-0.05单位。
对于精确的应用，请使用带有玻璃/甘汞组合电极并仔细校准过的pH计。
包装
50, 250 g in poly bottle
1 kg in poly bottle
其他说明
便于将 Trizma HCl 产品规格与 Trizma HCl 规格表进行比较。
法律信息
Trizma is a registered trademark of sigma-aldrich Co. LLC
基本信息
| 线性分子式 | NH2C(CH2OH)3 · HCl |
| 分子量 | 157.60 |
| Beilstein | 3675235 |
| EC 号 | 214-684-5 |
| MDL编号 | MFCD00012590 |
| PubChem化学物质编号 | 24900398 |
产品性质
| 质量水平 | 400 |
| 产品线 | BioXtra |
| 测定 | ≥99.0% (titration) |
| 形式 | powder |
| 杂质 | Insoluble matter, passes filter test |
| 灼烧残渣 (900 ℃) | ≤0.2% (as SO4) |
| 缺失 | ≤0.2% loss on drying, 110℃ |
| pH值(酸碱度) | 3.5-5.0 (0.5 M in H2O) |
| 有效pH范围 | 7.0 - 9.0 |
| pKa (25 ℃) | 8.1 |
| mp | 150-152 ℃ |
| 溶解性 | H2O: 0.5 M, clear, colorless |
| 痕量阴离子 | sulfate (SO42-): ≤0.005% |
| 痕量阳离子 | Al: ≤0.0005% As: ≤0.0001% Ba: ≤0.0005% Bi: ≤0.0005% Ca: ≤0.001% Cd: ≤0.0005% Co: ≤0.0005% Cr: ≤0.0005% Cu: ≤0.0005% Fe: ≤0.0005% K: ≤0.005% Li: ≤0.0005% Mg: ≤0.0005% Mn: ≤0.0005% Mo: ≤0.0005% Na: ≤0.005% Ni: ≤0.0005% Pb: ≤0.0005% Sr: ≤0.0005% Zn: ≤0.0005% |
| 吸光度 | ≤0.010 at 280 in H2O at 0.5 M ≤0.015 at 260 in H2O at 0.5 M |
| application(s) | diagnostic assay manufacturing |
| SMILES string | Cl.NC(CO)(CO)CO |
| InChI | 1S/C4H11NO3.ClH/c5-4(1-6,2-7)3-8;/h6-8H,1-3,5H2;1H |
| InChI key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
| 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
Sigma-Aldrich
m.cnreagent.com
