32318-M

乙酸钠 三水合物

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

• 别名: 醋酸 钠盐 三水合物
• 线性分子式: CH₃COONa · 3H₂O
• CAS号: 6131-90-4
• 分子量: 136.08
• Beilstein: 3732037
• EC號碼: 204-823-8
• MDL號碼: MFCD00071557
• 分類程式碼代碼: 12352300
• PubChem物質ID: 329754136
• NACRES: NA.21

属性

• 等級: ACS reagent; puriss. p.a.
• 品質等級: 100
• agency: USP/NF; reag. ISO; reag. Ph. Eur.
• 化驗: ≥99.5%
• 形狀: crystalline
• 自燃溫度: 1112 °F
• 雜質: ≤0.0005% heavy metals (as Pb); ≤0.005% KMnO₄ red. matter (as HCOOH); ≤0.005% in water soluble matter
• 損耗: 39.0-40.5% loss on drying, 130 °C
• pH值: 7.5-9.0 (20 °C, 5%)
• 負離子痕跡: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤5 mg/kg; sulfate (SO₄^2-): ≤20 mg/kg
• 正離子痕跡: Al: ≤0.2 mg/kg; As: ≤2 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• 適合性: in accordance for appearance of solution
• SMILES 字串: O.O.O.[Na+].CC([O-])=O
• InChI: 1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1
• InChI 密鑰: AYRVGWHSXIMRAB-UHFFFAOYSA-M

说明

一般說明

Sodium acetate trihydrate can be obtained from the crystallization of sodium acetate in water. On heating at 75°C, it melts, while on heating above 120°C it loses water of crystallization and gets converted into anhydrous form. The hyperfine proton and ¹³C splittings have been evaluated by recording ESR spectra of its irradiated single crystals. ESR studies suggested the existence of trapped methyl radicals. Its crystals are monoclinic and its crystal structure has been investigated by photographic methods. Unit cell parameters were evaluated.

應用

Sodium acetate trihydrate may be used in the fabrication of silicone/sodium acetate trihydrate hybrid, a water-responsive shape memory hybrid.

其他說明

乙酸激酶的酶底物（酶代码 EC 2.7.2.1）

安全信息

• 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