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Merck
CN

792519

碳酸氢钠

anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.7%

别名:

碳酸氢钠, 小苏打

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线性分子式:
NaHCO3
化学文摘社编号:
144-55-8
分子量:
84.01
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
329768339
EC Number:
205-633-8
Beilstein/REAXYS Number:
4153970
MDL number:
MFCD00003528
Assay:
≥99.7%
Grade:
ACS reagent
anhydrous
Form:
powder

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产品名称

碳酸氢钠, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.7%

InChI key

UIIMBOGNXHQVGW-UHFFFAOYSA-M

InChI

1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1

SMILES string

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

grade

ACS reagent
anhydrous

agency

suitable for EPA 1621
suitable for EPA 300

product line

Redi-Dri™

assay

≥99.7%

form

powder

quality

free-flowing

impurities

≤0.015% insoluble matter

pKa (25 °C)

(1) 6.37, (2) 10.25 (carbonic acid)

density

2.16 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.003%
phosphate (PO43-): ≤0.001 ppm
sulfur compounds (as SO42-): ≤0.003%

cation traces

Ca: ≤0.02%
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.005%
NH4+: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)

Quality Level

100

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相关类别

Application

碳酸氢钠可作为反应物，通过醛类和氨基酸的缩合反应合成希夫碱单钠。

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。

General description

碳酸氢钠通常被称为小苏打。它作为二氧化碳的来源，并用于制备各种钠盐。它也是一种重要的 ph 调节剂。

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

存储类别

11 - 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
0000451324
0000307536
SLCL6650
SLCJ7947
SLCG3876

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