产品介绍：
产品说明
分析说明
Assay (iodometric): 98.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
pH-value (5 %; water): 3.5 - 5.0
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
Thiosulfate (S₂O₃):
≤ 0.05 %
: passes test
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0001 %
Fe (Iron): ≤ 0.0005 %
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 | Na2O5S2 |
| 分子量 | 190.11 |
| MDL编号 | MFCD00167602 |
| EC索引号 | 231-673-0 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 机构 | reag. Ph. Eur. |
| 测定 | 98.0-100.5% (iodometric) |
| 形式 | powder |
| 效能 | 1540 mg/kg LD50, oral (Rat) >2000 mg/kg LD50, skin (Rat) |
| pH值(酸碱度) | 3.5-5 (20 ℃, 50 g/L in H2O) |
| mp | 150 ℃ (decomposition) |
| 溶解性 | 650 g/L |
| 密度 | 2.36 g/cm3 at 20 ℃ |
| 堆积密度 | 1000‑1200 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.005% thiosulfate (S2O32-): ≤0.05%passes test |
| 痕量阳离子 | As: ≤ 0.0001% Fe: ≤ 0.0005% heavy metals (as Pb): ≤ 0.001% |
| 储存温度 | 2-30℃ |
| InChI | 1S/2Na.H2O5S2/c;;1-6(2)5-7(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2 |
| InChI key | LDTLADDKFLAYJA-UHFFFAOYSA-L |
安全信息
| 象形图 |   |
| 警示用语： | Danger |
| 危险声明 | H302 - H318 |
| 预防措施声明 | P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501 |
| 危险分类 | Acute Tox. 4 Oral - Eye Dam. 1 |
| 补充剂危害 | EUH031 |
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
