216224

过硫酸钾

ACS reagent, ≥99.0%

• 同義詞: KPS, 过氧化二硫酸钾
• 線性公式: K₂S₂O₈
• CAS號碼: 7727-21-1
• 分子量：: 270.32
• EC號碼: 231-781-8
• MDL號碼: MFCD00011386
• 分類程式碼代碼: 12352302
• PubChem物質ID: 329752184
• NACRES: NA.21

屬性

• 等級: ACS reagent
• 蒸汽密度: 9.3 (vs air)
• 蒸汽壓力: <0.1 hPa ( 25 °C)
• 化驗: ≥99.0%
• 形狀: powder or crystals
• 反應適用性: reagent type: catalyst; reaction type: C-H Activation; reagent type: oxidant
• 雜質: ≤0.001% Cl compounds; ≤0.005% insolubles
• pH值: 2.5-4.5 (25 °C, 27 g/L)
• 正離子痕跡: Fe: ≤5 ppm; Mn: ≤2 ppm; heavy metals (as Pb): ≤0.001%
• SMILES 字串: [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O
• InChI: 1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
• InChI 密鑰: USHAGKDGDHPEEY-UHFFFAOYSA-L

描述

一般說明

过硫酸钾是一种水溶性无机盐，能释放氧气并表现出强烈的放热反应。它在室温下是稳定的，但在高温下会分解。过硫酸钾是常用的氧化剂，在许多单体的聚合中，主要用于水凝胶合成领域。

應用

过硫酸钾用作氧化剂：

• 在连续流系统的加压热水和超临界水中氧化4-氯-3-甲基苯酚。
• 测定溶解的有机碳。

过硫酸钾(KPS)也被用作氧化还原引发剂：

• 水溶液中丙烯腈与淀粉接枝聚合。
• 通过聚合法合成硫酸根阴离子。
• 作为聚合和自由基引发剂，以丙烯酰胺为单体合成聚丙烯酰胺-皂石-二氧化铅纳米颗粒水凝胶复合材料。

• Aggregation-induced electrochemiluminescence enhancement of Ag-MOG for amyloid β 42 sensing.: This study demonstrates the use of potassium persulfate in the aggregation-induced electrochemiluminescence enhancement of Ag-MOG for sensitive detection of amyloid β 42, relevant in Alzheimer′s disease research (Zheng et al., 2023).


• Optimization of preparation conditions and performance of a new degradable soil water retaining agent.: This research investigates the role of potassium persulfate in optimizing the preparation and performance of a novel degradable soil water-retaining agent, highlighting its potential in agricultural applications (Yumang et al., 2024).


• A superabsorbent and pH-responsive copolymer-hydrogel based on acemannan from Aloe vera (Aloe barbadensis M.): A smart material for drug delivery.: This article explores the synthesis of a pH-responsive hydrogel incorporating potassium persulfate, demonstrating its application in drug delivery systems (Irfan et al., 2024).


• Silver-Catalyzed Carbofluorination of Olefins and α-Fluoroolefins with Carbamoyl Radicals.: The study describes a novel silver-catalyzed carbofluorination reaction facilitated by potassium persulfate, offering advancements in synthetic organic chemistry (Vincent & Brioche, 2024).


• Sustained release delivery of favipiravir through statistically optimized, chemically cross-linked, pH-sensitive, swellable hydrogel.: This research utilizes potassium persulfate in the development of a pH-sensitive hydrogel for the controlled release of favipiravir, enhancing therapeutic efficacy (Khan et al., 2024).

安全資訊

• 象形圖: GHS03,GHS08,GHS07
• 訊號詞: Danger
• 危險聲明: H272,H302,H315,H317,H319,H334,H335
• 防範說明: P210 - P220 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• 危險分類: Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 5.1B - Oxidizing hazardous materials
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable