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重要文件

13418

Sigma-Aldrich

无水碳酸钠

puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)

同義詞:

碳酸二钠盐, 纯碱, 苏打灰:

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About This Item

線性公式:
Na2CO3
CAS號碼:
分子量::
105.99
Beilstein:
4154566
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21

等級

puriss.

化驗

99.5-100.5% (calc. to the dried substance)

形狀

powder or crystals

品質

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

雜質

alkali hydroxides and bicarbonates, complies
residual solvents
<5 ppm heavy metals (as Pb)

損耗

≤0.5% loss on drying, 300 °C
<0.5% loss on drying, 105°C, 4hrs

pH值

12 (25 °C, 106 g/L)

mp

851 °C (lit.)

負離子痕跡

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤50 mg/kg

正離子痕跡

As: ≤2 mg/kg
Cu: ≤20 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
Pb: ≤4 mg/kg
Pb: >2 ppm
Zn: ≤20 mg/kg

適合性

complies for appearance of solution

儲存溫度

15-25°C

SMILES 字串

O=C(O[Na])O[Na]

InChI

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

InChI 密鑰

CDBYLPFSWZWCQE-UHFFFAOYSA-L

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應用


  • 开发新型便携式NIR光谱过程分析技术(PAT)工具,用于监测湿法制粒过程中布洛芬向布洛芬钠的转化:本研究强调了碳酸钠在提高制药生产中NIR光谱工具的灵敏度和效率方面的应用,展示了其在实时质量控制中的关键作用(Atanaskova E, Geskovski N, 2024)。

  • 从柠檬(尤力克柠檬)果皮中提取的果胶组分的理化性质和抗氧化性能:展示了碳酸钠在柑橘皮生物活性化合物提取过程中的应用,强调了其在开发健康相关产品天然抗氧化剂方面的重要性(Su Z, Li G, 2024)。

  • 苔藓植物-仿生纳米多孔AAO/C/MgO复合材料增强CO2捕获:MgO的作用:这项研究结合了碳酸钠,促进创造旨在高效捕获CO2的创新材料,通过先进的材料科学解决环境问题(Cortés-Valadez PJ, Cigarroa-Mayorga OE, 2024)。

生化/生理作用

缓冲液成分,可用于去除外周膜蛋白。

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Eye Irrit. 2

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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