8.40130

4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl

(free radical) for synthesis

• 別名: 4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl, 4-Hydroxy-TEMPO
• 実験式（ヒル表記法）: C₉H₁₈NO₂
• CAS番号: 2226-96-2
• 分子量: 172.24
• MDL番号: MFCD00006478
• UNSPSCコード: 12352119
• EC Index Number: 218-760-9
• NACRES: NA.22

特性

• 蒸気圧: <0.01 hPa ( 20 °C)
• 品質水準: 200
• アッセイ: ≥95.0% (GC)
• 形状: crystals
• 自己発火温度: 260 °C (DIN 51794)
• 有効性: 1053 mg/kg LD₅₀, oral (Rat)
• pH: 8.2 (20 °C, 20 g/L in H₂O)
• mp: 67-71 °C
• 転移温度: flash point 146 °C (DIN 51758)
• 溶解性: 1670 g/L
• 保管温度: 2-30°C
• InChI: 1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3
• InChI Key: UZFMOKQJFYMBGY-UHFFFAOYSA-N

詳細

アプリケーション

• Vitamin C Determination: A study that utilizes TEMPO for a simple and rapid determination of vitamin C content in various fruits, showcasing an economical approach to antioxidant testing (Ihara et al., 2017).


• Herbicide Development: A study on the synthesis of phenoxy carboxylic herbicides based on the piperidine scaffold, where TEMPO derivatives showed unexpected fungicidal activity (Zakrzewski & Krawczyk, 2014).

アナリシスノート

Assay (GC, area%): ≥ 95.0 % (a/a)
Melting range (lower value): ≥ 67 °C
Melting range (upper value): ≤ 71 °C
Identity (IR): passes test

安全性情報

• ピクトグラム: GHS05,GHS07,GHS08
• シグナルワード: Danger
• 危険有害性情報: H302 - H318 - H373
• 注意書き: P260 - P264 - P280 - P301 + P312 - P305 + P351 + P338 - P314
• 危険有害性の分類: Acute Tox. 4 Oral - Eye Dam. 1 - STOT RE 2 Oral
• 保管分類コード: 11 - Combustible Solids
• WGK: WGK 1
• 引火点(°F): 294.8 °F - DIN 51758
• 引火点(℃): 146 °C - DIN 51758