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13433

碳酸氢钠

Name: 碳酸氢钠
Brand: SIGALD

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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属性

grade

puriss.

Quality Segment

200

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 (CO₃^2-): in accordance, chloride (Cl^-): ≤100 mg/kg, sulfate (SO₄^2-): ≤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

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

说明

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。

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flash_point_f

Not applicable

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