798592
硫酸钠
anhydrous, granular, free-flowing, Redi-Dri™, ACS reagent, ≥99%
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关于此项目
线性分子式:
Na2SO4
化学文摘社编号:
分子量:
142.04
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-820-9
MDL number:
Assay:
≥99%
Grade:
ACS reagent, anhydrous
Form:
granular, powder
Quality Level
grade
ACS reagent, anhydrous
product line
Redi-Dri™
assay
≥99%
form
granular, powder
quality
free-flowing
impurities
≤0.01% insolubles, ≤5 ppm N compounds
loss
≤0.5% loss on ignition
pH
5.2-9.2 (25 °C, 5%)
mp
884 °C (lit.)
density
2.68 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%
cation traces
Ca: ≤0.01%, Fe: ≤0.001%, K: ≤0.01%, Mg: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES)
storage temp.
room temp
SMILES string
[Na+].[Na+].[O-]S([O-])(=O)=O
InChI
1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI key
PMZURENOXWZQFD-UHFFFAOYSA-L
General description
亚硫酸钠是一种无机盐，常用作有机合成中的试剂和催化剂。此外，由于其亲水并且与大多数有机化合物相容，它还被用作有机合成中的干燥剂。在后处理（work-up）过程中，以无水亚硫酸钠处理有机相以去除微量水。
Application
亚硫酸钠可与聚乙二醇一起用于双水相萃取系统，用于纯化生物分子。
Features and Benefits
- 提高效率——免除需要松散硬化粉末的时间和精力
- 安全——避免使用工具大力敲碎团块环保
- 环保——减少废物因为它不会粘附在包装上
- 经济——制备和溶剂化速度更快，提高效率并节约成本
- 质量保证——经过专业检测的出色品质，无抗结剂
- 灵活的用量选择——有从研究到放大级别的用量规格可供选择
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
商品
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.
Carolina Cortés-Herrera et al.
Molecules (Basel, Switzerland), 24(24) (2019-12-15)
Avocado (a fruit that represents a billion-dollar industry) has become a relevant crop in global trade. The benefits of eating avocados have also been thoroughly described as they contain important nutrients needed to ensure biological functions. For example, avocados contain
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 798592-2.5KG | 04061832973753 |
| 798592-12KG | 04061832973739 |
| 798592-1KG | 04061832973746 |
| 798592-500G | 04061832973760 |
| 798592-5KG | 04061832973777 |