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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:
7757-82-6
分子量:
142.04
NACRES:
NA.21
PubChem Substance ID:
329765762
UNSPSC Code:
12352302
EC Number:
231-820-9
MDL number:
MFCD00003504
Assay:
≥99%
Grade:
ACS reagent
anhydrous
Form:
powder

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产品名称

硫酸钠, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

SMILES string

[Na+].[Na+].[O-]S([O-])(=O)=O

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)

Quality Level

100

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相关类别

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

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
MKCZ4725
0000489561
0000489561
0000427341
0000427341

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