产品介绍：
产品说明
分析说明
Assay (acidimetric, Na₂CO₃): 36.7 - 40.0 %
Assay (acidimetric): 99.0 - 102.0 %
Identity: passes test
Appearance of solution: passes test
Alkali hydroxides and Alkali hydrogen carbonates: passes test
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Phosphate and Silicate (as SiO₂): ≤ 0.002 %
Total sulfur (as SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0002 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0002 %
Corresponds to ISO, Reag. Ph Eur
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 经验(实验)分子式 | CNa2O3 · 10H2O |
| 分子量 | 286.14 |
| MDL编号 | MFCD00149178 |
| EC索引号 | 207-838-8 |
产品性质
| agency | reag. ISO reag. Ph. Eur. |
| 质量水平 | 300 |
| 测定 | 36.7-40.0% (Na2CO3 basis, acidimetric) 99-102% (acidimetric) |
| 形式 | solid |
| 效能 | 4090 mg/kg LD50, oral (Rat) |
| pH值(酸碱度) | 11-12 (25 ℃, 50 g/L in H2O) |
| mp | 33 ℃ (Elimination of water of crystallisation) |
| 溶解性 | 210 g/L |
| 密度 | 1.44 g/cm3 at 20 ℃ |
| 堆积密度 | 700‑900 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.0005% phosphate, silicate (as SiO2): ≤0.002% sulfate (SO42-): ≤0.003% sulfur compounds (as SO42-): ≤0.003% |
| 痕量阳离子 | Al: ≤ 0.0005% As: ≤ 0.0002% Ca: ≤ 0.002% Fe: ≤ 0.0002% K: ≤ 0.005% Mg: ≤ 0.0002% N: ≤ 0.0005% heavy metals (as Pb): ≤ 0.0005% |
| 储存温度 | 15-25℃ |
| InChI | 1S/CH2O3.2Na.10H2O/c2-1(3)4;;;;;;;;;;;;/h(H2,2,3,4);;;10*1H2/q;2*+1;;;;;;;;;;/p-2 |
| InChI key | XYQRXRFVKUPBQN-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 |
