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Merck
CN

13433

碳酸氢钠

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E500, 99.0-100.5%, powder

别名:

碳酸氢钠, 小苏打

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关于此项目

线性分子式:
NaHCO3
化学文摘社编号:
144-55-8
分子量:
84.01
NACRES:
NA.21
PubChem Substance ID:
329750171
eCl@ss:
38020213
UNSPSC Code:
12352302
EC Number:
205-633-8
MDL number:
MFCD00003528
Beilstein/REAXYS Number:
4153970
Assay:
99.0-100.5%
Form:
powder

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产品名称

碳酸氢钠, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E500, 99.0-100.5%, powder

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

puriss.

assay

99.0-100.5%

form

powder

quality

meets analytical specification of Ph. Eur., BP, USP, FCC, E500

impurities

ammonia (NH3), in accordance
 organic volatile impurities, complies
 residual solvents, complies
 water-insoluble matter, complies
≤0.002% ammonium (NH4), complies

loss

≤0.2% loss on drying (silica gel)

pH

≤8.6 (20 °C, 5%)

pKa (25 °C)

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

density

2.16 g/mL at 25 °C (lit.)

anion traces

carbonate (CO32-): in accordance
chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Al: ≤0.5 mg/kg
As: ≤2 mg/kg
Ca: ≤100 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
K: ≤100 mg/kg
Pb: ≤2 mg/kg

suitability

complies for appearance of solution

Quality Level

200

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相关类别

Application

碳酸氢钠可能参与基于二氧化硅的整体柱的制造，可用于毛细管电色谱。也可用于通过离子交换置换色谱法维持色谱柱的 pH 值，用于蛋白质的分离。

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
MKCZ7043
MKCZ1503
MKCX8760
MKCX8206
MKCX6007

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