239313
硫酸钠
ACS reagent, ≥99.0%, anhydrous, granular
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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:
eCl@ss:
38030405
Assay:
≥99.0%
Grade:
ACS reagent, anhydrous
Form:
granular
Quality Level
grade
ACS reagent, anhydrous
assay
≥99.0%
form
granular
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
Application
硫酸钠(无水)可在通过1，3-二芳基-2-丙烯-1-酮与盐酸羟胺在乙醇中缩合来合成1，3-二芳基-2-丙烯-1-酮肟的过程中用作催化剂。
NaSO4 还可以用作有机合成中的干燥剂，用于从有机提取物中除去痕量的水。它用于干燥几乎所有的化合物，包括脂肪酸、醛、酮以及烷基和芳基卤化物。
NaSO4 还可以用作有机合成中的干燥剂，用于从有机提取物中除去痕量的水。它用于干燥几乎所有的化合物，包括脂肪酸、醛、酮以及烷基和芳基卤化物。
Packaging
Other Notes
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
Eagleson M.
Concise Encyclopedia Chemistry, 405-405 (1994)
How does sodium sulfate crystallize? Implications for the decay and testing of building materials.
Rodriguez-Navarro C, et al.
Cement and Concrete Research, 30(10), 1527-1534 (2000)
Alexander David Ardianrama et al.
Journal of colloid and interface science, 552, 485-493 (2019-06-04)
Although triangular silver (Ag) nanoplates are intrinsically unstable, this characteristic has been taken advantage of in the development of a novel sensing platform. However, most of these applications have relied on halide ions as etchants. In the current work, we
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 239313-1KG | 04061835346967 |
| 239313-4X2.5KG | 04061838787491 |
| 239313-500G | 04061837768927 |
| 239313-12KG | 04061838252630 |
| 239313-2.5KG | 04061837768903 |
| 239313-50KG | 04061833636657 |
| 239313-5KG | 04061838787507 |
| 239313-6X500G | 04061837768941 |