Merck
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792519

Sigma-Aldrich

碳酸氢钠

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

Synonym(s):
碳酸氢钠, 小苏打
Linear Formula:
NaHCO3
CAS Number:
Molecular Weight:
84.01
Beilstein:
4153970
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent
anhydrous

质量水平

100

产品线

Redi-Dri

测定

≥99.7%

形式

powder

质量

free-flowing

杂质

≤0.015% insoluble matter

pKa (25 °C)

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

密度

2.16 g/mL at 25 °C (lit.)

痕量阴离子

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

痕量阳离子

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

SMILES string

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

InChI

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

InChI key

UIIMBOGNXHQVGW-UHFFFAOYSA-M

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包装

500 g in poly bottle
1, 2.5 kg in poly bottle
5, 12 kg in poly drum

法律信息

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

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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