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等級
ACS reagent
蒸汽壓力
<0.0000001 hPa ( 25 °C)
化驗
≥99.0%
形狀
powder or crystals
雜質
≤0.005% insolubles
pH值
6.5-9.0 (25 °C, 5%)
溶解度
water: soluble 98.2 g/L at 20 °C
密度
1.57 g/cm3 at 25 °C (lit.)
負離子痕跡
chloride (Cl-): ≤0.003%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.002%
正離子痕跡
Ca: ≤0.005%
Fe: ≤5 ppm
Mg: ≤0.002%
Na: ≤0.03%
heavy metals: ≤5 ppm (as Pb)
適合性
complies for IR spectroscopy
SMILES 字串
[K+].CC([O-])=O
InChI
1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1
InChI 密鑰
SCVFZCLFOSHCOH-UHFFFAOYSA-M
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相关类别
一般說明
乙酸钾是一种吸湿性材料,在有机合成中用作碱。它还可作为缓冲溶剂和中和剂。
應用
乙酸钾用作:
乙酸钾还可以作为碱:
- 以DEG(二甘醇)为溶剂糖酵解硬质聚胺酯的催化剂。
- 用于加成和聚合反应的亲核催化剂。
- 环氧化物和 S-苯基硫代酸酯区域选择性反应的亲核催化剂。
- 过渡金属催化反应的促进剂/碱。
- 在邻苯二甲酰亚胺的光脱羧基亲核加成反应中作为甲基自由基来源,以及模板反应中作为钾离子来源。
乙酸钾还可以作为碱:
- 用于异羟肟酸的洛森重排反应。
- 用于E2 消除′反应。
- 用于 α,α-二氯酮酯裂解和醇类的去质子化。
法律資訊
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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
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Light microscopy and deep-etch electron microscopy were used to visualize triacylglyceride (TAG)-filled lipid bodies (LBs) of the green eukaryotic soil alga Chlamydomonas reinhardtii, a model organism for biodiesel production. Cells growing in nitrogen-replete media contain small cytoplasmic lipid bodies (α-cyto-LBs)
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Steady-state and time-resolved emission techniques were employed to study the effect of acetate, a mild base, on the luminescence of curcumin in methanol and ethanol. We found that the steady-state emission intensity as well as the average fluorescence decay time
The EMBO journal, 25(7), 1515-1521 (2006-03-17)
Potassium glutamate accumulates upon hyper-osmotic shock and serves as a temporary osmoprotectant. This salt leads to transcriptional activation of sets of genes that allow the cell to achieve long-term adaptation to high osmolarity. The current experiments show that potassium glutamate
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