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Merck
CN

746363

硫酸钠

anhydrous, 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:
powder
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Quality Level

grade

ACS reagent, anhydrous

agency

suitable for EPA 1613

product line

Redi-Dri

assay

≥99%

form

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: ≤0.002%, Fe: ≤0.001%, K: ≤0.002%, Mg: ≤0.001%, heavy metals: ≤5 ppm (by ICP-OES)

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

硫酸钠可用作脱水剂,用于通过1,3-二芳基-2-丙烯-1-酮和盐酸羟胺的缩合合成1,3-二芳基-2-丙烯-1-酮肟。它也可用作有机合成中的干燥剂,用于去除有机提取物中的微量水。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。

Features and Benefits

  • 提高效率——免除需要松散硬化粉末的时间和精力
  • 更加安全——无需使用工具大力敲碎团块
  • 更加环保——不会粘在包装上,减少了浪费
  • 更加经济——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,无抗结剂添加
  • 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



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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商品

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

相关内容

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.


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全球贸易项目编号

货号GTIN
746363-1KG04061835347094
746363-25KG04061833510629
746363-500G04061832890494
746363-12KG04061832890449
746363-2.5KG04061832890463
746363-4X2.5KG04061832890470
746363-5KG04061832890517
746363-6X1KG04061832890531
746363-6X500G04061832890562