您的位置：首页 > 产品中心 > 1330-43-4， Spectromelt® B 10
Spectromelt® B 10
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4059089 | 1 KG | 3020 | |||
| 4059089 | 5 KG | 12170 |
产品别名
1330-43-4
Spectromelt® B 10
Borax
基本信息
| Empirical Formula【经验(实验)分子式】 | B4Na2O7 |
| Molecular weight | 201.22 |
| MDL number | MFCD00081185 |
| EC Index Number【EC索引号】 | 215-540-4 |
| Analysis Note【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 |
| Legal Information【法律信息】 | SPECTROMELT is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| vapor pressure【蒸汽压】 | 7.3 hPa ( 1200 ℃) |
| Quality Level【质量水平】 | 100 |
| Assay【测定】 | ≥99.0% (acidimetric) |
| potency【效能】 | >2000 mg/kg LD50, skin (Rabbit) |
| pH【pH值(酸碱度)】 | 9.2 (20 ℃, 25 g/L in H2O) |
| mp | 742 ℃ |
| density | 2.37 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 700 kg/m3 |
| storage temp.【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
| Pictograms【象形图】 | GHS07,GHS08 |
| Signal word【警示用语：】 | Danger |
| Hazard Statements | H319 - H360FD |
| Precautionary Statements | P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 - Repr. 1B |
| Storage Class Code【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 |
