半岛bd体育手机客户端 说明
一般描述
GR for analysis buffer substance ACS,Reag. Ph Eur
Biological buffer substance
Tris is widely used as a biological buffer substance in the pH range of 7-9. For example it is used for the freezing of proteins. The grade conforms precisely with the Reag. Ph. Eur. requirements.
应用
Tris(hydroxymethyl)aminomethane GR for analysis buffer substance ACS,Reag. Ph Eur. CAS 77-86-1, EC 201-064-4, chemical formula H?NC(CH?OH)?.
基本信息
| 线性分子式 | NH2C(CH2OH)3 |
| 分子量 | 121.14 |
| Beilstein | 741883 |
| MDL编号 | MFCD00004679 |
| EC索引号 | 201-064-4 |
半岛bd体育手机客户端 性质
| 质量水平 | 200 |
| 等级 | ACS reagent |
| agency | reag. Ph. Eur. |
| 蒸汽压 | 0.0267 hPa ( 20 ℃) |
| 形式 | solid |
| 效能 | >5000 mg/kg LD50, oral (Rat) >5000 mg/kg LD50, skin (Rat) |
| pH值(酸碱度) | 10.2-10.6 (20 ℃, 6 g/L in H2O) |
| useful pH range | 7-9 |
| pKa (25 ℃) | 8.1 |
| bp | 219-220 ℃/10 mmHg (lit.) 219-220 ℃/13.3 hPa |
| mp | 167-172 ℃ (lit.) |
| 溶解性 | 678 g/L |
| 密度 | 1.35 g/cm3at 23 ℃ |
| 堆积密度 | 840 kg/m3 |
| 储存温度 | 15-25℃ |
| SMILES string | NC(CO)(CO)CO |
| InChI | 1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2 |
| InChI key | LENZDBCJOHFCAS-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 |
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