产品介绍：
产品说明
分析说明
Assay (acidimetric): ≥ 99.0 %
Chloride (Cl): ≤ 50 ppm
Phosphate (PO₄): ≤ 20 ppm
Silicate (SiO₂): ≤ 100 ppm
Sulfate (SO₄): ≤ 50 ppm
Ag (Silver): ≤ 5 ppm
Al (Aluminium): ≤ 10 ppm
Ba (Barium): ≤ 5 ppm
Ca (Calcium): ≤ 10 ppm
Cd (Cadmium): ≤ 5 ppm
Co (Cobalt): ≤ 5 ppm
Cr (Chromium): ≤ 5 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 10 ppm
Ga (Gallium): ≤ 5 ppm
K (Potassium): ≤ 10 ppm
Mg (Magnesium): ≤ 5 ppm
Mn (Manganese): ≤ 5 ppm
Ni (Nickel): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Sr (Strontium): ≤ 5 ppm
Zn (Zinc): ≤ 5 ppm
Loss on ignition (800 °C): ≤ 1.0 %
Bulk density: about 70
法律信息
SPECTROMELT is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 经验(实验)分子式 | B4Na2O7 |
| 分子量 | 201.22 |
| MDL编号 | MFCD00081185 |
| EC索引号 | 215-540-4 |
产品性质
| 蒸汽压 | 7.3 hPa ( 1200 ℃) |
| 质量水平 | 100 |
| 测定 | ≥99.0% (acidimetric) |
| 效能 | >2000 mg/kg LD50, skin (Rabbit) |
| pH值(酸碱度) | 9.2 (20 ℃, 25 g/L in H2O) |
| mp | 742 ℃ |
| 密度 | 2.37 g/cm3 at 20 ℃ |
| 堆积密度 | 700 kg/m3 |
| 储存温度 | 2-30℃ |
| InChI | 1S/4B.2Na.7H2O.7O/h;;;;;;7*1H2;;;;;;;/q4*+3;2*+1;;;;;;;;7*-2 |
| InChI key | HJIQVKXMQOLFFS-UHFFFAOYSA-N |
安全信息
| 象形图 |   |
| 警示用语： | Danger |
| 危险声明 | H319 - H360FD |
| 预防措施声明 | P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313 |
| 危险分类 | Eye Irrit. 2 - Repr. 1B |
| 储存分类代码 | 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
