SX0400

无水碳酸钠

anhydrous, granular, Meets ACS Specifications GR ACS

• 别名: 碳酸二钠盐, 纯碱, 苏打灰：
• 线性分子式: Na₂CO₃
• CAS号: 497-19-8
• 分子量: 105.99
• Beilstein: 4154566
• MDL號碼: MFCD00003494
• 分類程式碼代碼: 12352302
• 酶委員會索引編號: 207-838-8

属性

• 品質等級: 200
• 化驗: ≥99.9% dry basis (acidimetric)
• 形狀: powder
• 雜質: ≤0.01% Insoluble matter
• 損耗: ≤1% loss on drying, 300°C
• pH值: 11.16 (25 °C, 4 g/L in H₂O)
• mp: 851 °C (lit.)
• 溶解度: 212.5 g/L
• 負離子痕跡: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%; silicate (as SiO₂): ≤0.005%; sulfur compounds (as SO₄^2-): ≤0.003%
• 正離子痕跡: Ca: ≤0.005%; Fe: ≤0.0005%; K: ≤0.005%; Mg: ≤0.0005%; heavy metals (as Pb): ≤0.0005%
• 運輸包裝: ambient
• 儲存溫度: room temp
• 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

说明

應用

anhydrous, granular, Meets ACS Specifications GR ACS

生化／生理作用

缓冲液成分，可用于去除外周膜蛋白。

分析報告

Assay (acidimetric; calc. on dried substance)99.9% minCalcium (Ca)0.005% maxChloride (Cl)0.001% maxHeavy metals (as Pb)0.0005% maxInsoluble matter0.01% maxIron (Fe)0.0005% maxLoss on drying (300°C)1.0% maxMagnesium (Mg)0.0005% maxPhosphate (PO4)0.001% maxPotassium (K)0.005% maxSilicate (SiO2)0.005% maxTotal sulfur (as SO4)0.003% max

安全信息

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H319
• 防範說明: P264 - P280 - P305 + P351 + P338 - P337 + P313
• 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