13418-M

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：
• 线性分子式: Na₂CO₃
• CAS号: 497-19-8
• 分子量: 105.99
• Beilstein: 4154566
• EC號碼: 207-838-8
• MDL號碼: MFCD00003494
• 分類程式碼代碼: 12352302
• PubChem物質ID: 24848136
• NACRES: NA.21

属性

• 品質等級: 100
• 等級: puriss.
• 化驗: 99.5-100.5% (calc. to the dried substance)
• 形狀: powder
• 品質: meets analytical specification of Ph. Eur., BP, NF, FCC, E500
• 雜質: alkali hydroxides and bicarbonates, complies; residual solvents, complies; ≤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 ppm; sulfate (SO₄^2-): ≤50 ppm
• 正離子痕跡: As: ≤0.0002%; Cu: ≤0.002%; Fe: ≤0.001%; Hg: ≤0.0001%; Pb: ≤0.0002%; Zn: ≤0.002%
• 適合性: complies for appearance of solution
• 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

生化／生理作用

缓冲液成分，可用于去除外周膜蛋白。

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: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable