1.04819

乙二胺四乙酸二钾盐二水合物

suitable for titration

• 别名: Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate, Ethylenedinitrilotetraacetic acid dipotassium salt, Titriplex^® Potassium salt
• 经验公式（希尔记法）: C₁₀H₁₄K₂N₂O₈ · 2H₂O
• 化学文摘社编号: 25102-12-9
• 分子量: 404.45
• MDL號碼: MFCD00150036
• 分類程式碼代碼: 12352107
• 酶委員會索引編號: 217-895-0
• NACRES: NA.21

属性

• 产品名称: 乙二胺四乙酸二钾盐二水合物, for analysis
• 品質等級: 100
• 形狀: solid
• 效力: >2000 mg/kg LD₅₀, oral (Rat)
• 反應適用性: reaction type: Complexometric reactions
• 技術: titration: suitable
• pH值: 4-5 (20 °C, 50 g/L in H₂O)
• mp: 272 °C
• 體積密度: 310 kg/m³
• 儲存溫度: 15-25°C
• SMILES 字串: [K+].[K+].N(CCN(CC(=O)[O-])CC(=O)[O-])(CC(=O)[O-])CC(=O)[O-].O.O.[H+].[H+]
• InChI: 1S/C10H16N2O8.2K.2H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;2*1H2/q;2*+1;;/p-2
• InChI 密鑰: JFROQFOCFOKDKU-UHFFFAOYSA-L

说明

分析報告

Assay (complexometric; calculated on dried substance): ≥ 99.0 %


Identity (IR): conforms


Identity (Potassium): conforms


Appearance of solution (50 g/l; water): Clear and colourless


pH (50 g/l; water): 4.0 - 5.0


In water insoluble matter: ≤ 0.003 %


Chloride (Cl): ≤ 0.004 %


Sulfate (SO₄): ≤ 0.05 %


Cyanide (CN): ≤ 0.001 %


Heavy metals (as Pb): ≤ 0.0005 %


Cu (Copper): ≤ 0.0001 %


Fe (Iron): ≤ 0.001 %


Nitrilotriacetic acid: ≤ 0.05 %


Loss on drying (150 °C; 6 h): 8.5 - 9.5 %

法律資訊

Titriplex is a registered trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H332
• 防範說明: P261 - P271 - P304 + P340 + P312
• 危險分類: Acute Tox. 4 Inhalation
• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 2