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Barium carbonate
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 |
| 4057845 | 250 G | 1290 | |||
| 4057845 | 1 KG | 3230 |
产品别名
513-77-9
Barium carbonate
基本信息
| Empirical Formula【经验(实验)分子式】 | CBaO3 |
| Molecular weight | 197.34 |
| MDL number | MFCD00003448 |
| EC Index Number【EC索引号】 | 208-167-3 |
| Analysis Note【分析说明】 | Assay (complexometric, BaCO₃): 99.0 - 101.0 % Substances insoluble in hydrochloric acid: ≤ 0.015 % Chloride (Cl): ≤ 0.002 % Sulphide (S): ≤ 0.001 % Heavy metals (ACS): ≤ 0.001 % Ca (Calcium): ≤ 0.02 % Fe (Iron): ≤ 0.001 % K (Potassium): ≤ 0.005 % Na (Sodium): ≤ 0.02 % Sr (Strontium): ≤ 0.3 % Total of alkali (water soluble): ≤ 0.002 meq/g Oxidizing Substances (as NO₃): ≤ 0.005 % |
| Legal Information【法律信息】 | EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 300 |
| grade【等级】 | ACS reagent |
| agency | reag. Ph. Eur. |
| Assay【测定】 | 99.0-101.0% (BaCO3 basis, complexometric) |
| form【形式】 | solid |
| potency【效能】 | 418 mg/kg LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 7-8 (16 ℃, 0.016 g/L in H2O) |
| mp | >1450 ℃ (decomposition) |
| solubility【溶解性】 | 0.02 g/L |
| density | 4.43 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 350 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤0.002% sulfide (S2-): ≤0.001% |
| cation traces【痕量阳离子】 | Ca: ≤ 0.02% Fe: ≤ 0.001% K: ≤ 0.005% Na: ≤ 0.02% Sr: ≤ 0.3% heavy metals: ≤ 0.001% |
| storage temp.【储存温度】 | 2-30℃ |
| InChI | 1S/CH2O3.Ba/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 |
| InChI key | AYJRCSIUFZENHW-UHFFFAOYSA-L |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H302 |
| Precautionary Statements | P264 - P270 - P301 + P312 - P501 |
| Hazard Classifications【危险分类】 | Acute Tox. 4 Oral |
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
