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號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21
化驗:
99.5-100.5% (calc. to the dried substance)
形狀:
powder or crystals
价格与库存信息目前不能提供
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品質等級
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。
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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