13418
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)
别名:
碳酸二钠盐, 纯碱, 苏打灰：
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所有图片(1)
About This Item
线性分子式:
Na2CO3
CAS号:
分子量:
105.99
Beilstein:
4154566
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21
方案:
99.5-100.5% (calc. to the dried substance)
表单:
powder or crystals
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质量水平
等级
puriss.
方案
99.5-100.5% (calc. to the dried substance)
表单
powder or crystals
质量
meets analytical specification of Ph. Eur., BP, NF, FCC, E500
杂质
alkali hydroxides and bicarbonates, complies
residual solvents
<5 ppm heavy metals (as Pb)
缺失
≤0.5% loss on drying, 300 °C
<0.5% loss on drying, 105°C, 4hrs
pH值（酸碱度）
12 (25 °C, 106 g/L)
mp
851 °C (lit.)
痕量阴离子
chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤50 mg/kg
痕量阳离子
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
适用性
complies for appearance of solution
储存温度
15-25°C
SMILES字符串
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 key
CDBYLPFSWZWCQE-UHFFFAOYSA-L
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应用
- 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。
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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