半岛bd体育手机客户端 说明
生化/生理作用
缓冲剂组分,可用于除去外周膜蛋白。
联系
Replaces: SX0400-20; SX0400-5
分析说明
Assay (acidimetric; dried substance): ≥ 99.9 %
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.001 %
Phosphate (PO?): ≤ 0.001 %
Silicate (as SiO?): ≤ 0.005 %
Total sulfur (as SO?): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0005 %
Loss on drying (300?°C): ≤ 1.0 %
Corresponds to ACS,ISO,Reag. Ph Eur
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
线性分子式 | Na2CO3 |
分子量 | 105.99 |
Beilstein | 4154566 |
MDL编号 | MFCD00003494 |
EC索引号 | 207-838-8 |
半岛bd体育手机客户端 性质
质量水平 | 300 |
等级 | ACS reagent |
agency | reag. ISO reag. Ph. Eur. |
测定 | ≥99.9% dry basis (acidimetric) |
形式 | powder |
效能 | 4090 mg/kg LD50, oral (Rat) |
pH值(酸碱度) | 11.16 (25 ℃, 4 g/L in H2O) |
mp | 851 ℃ (lit.) |
密度 | 2.53 g/cm3at 20 ℃ |
堆积密度 | 1100 kg/m3 |
痕量阴离子 | chloride (Cl-): ≤0.001% phosphate (PO43-): ≤0.001% silicate (as SiO2): ≤0.005% sulfur compounds (as SO42-): ≤0.003% |
痕量阳离子 | Al: ≤ 0.001% As: ≤ 0.0001% Ca: ≤ 0.005% Fe: ≤ 0.0005% K: ≤ 0.005% Mg: ≤ 0.0005% N: ≤ 0.001% heavy metals: ≤ 0.0005% heavy metals (as Pb): ≤ 0.0005% |
储存温度 | 2-30℃ |
SMILES string | O=C(O[Na])O[Na] |
InChI | 1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 |
InChI key | CDBYLPFSWZWCQE-UHFFFAOYSA-L |
安全信息
象形图 | |
警示用语: | Warning |
危险声明 | H319 |
预防措施声明 | P264 - P280 - P305 + P351 + P338 - P337 + P313 |
危险分类 | Eye Irrit. 2 |
储存分类代码 | 13 - Non Combustible Solids |
WGK | WGK 1 |
闪点(F) | Not applicable |
闪点(C) | Not applicable |