8.42857

4,4′-Methylenebis(2,6-di-tert-butylphenol)

for synthesis

• 别名: 4,4′-Methylenebis(2,6-di-tert-butylphenol)
• 经验公式（希尔记法）: C₂₉H₄₄O₂
• CAS号: 118-82-1
• 分子量: 424.66
• MDL號碼: MFCD00008822
• 分類程式碼代碼: 12352104
• 酶委員會索引編號: 204-279-1
• NACRES: NA.22

属性

• 蒸汽壓力: <0.1 hPa ( 25 °C)
• 品質等級: 200
• 化驗: ≥98.0% (GC)
• 形狀: crystals
• 效力: >5000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rabbit)
• bp: 217 °C/1 hPa
• mp: 153-156 °C
• 轉變溫度: flash point 222 °C
• 溶解度: <0.0001 g/L
• 密度: 0.99 g/cm³ at 20 °C
• 儲存溫度: 2-30°C
• InChI: 1S/C29H44O2/c1-26(2,3)20-14-18(15-21(24(20)30)27(4,5)6)13-19-16-22(28(7,8)9)25(31)23(17-19)29(10,11)12/h14-17,30-31H,13H2,1-12H3
• InChI 密鑰: MDWVSAYEQPLWMX-UHFFFAOYSA-N

说明

應用

• Improvement in biolubricant performance: The use of 4,4′-Methylenebis(2,6-di-tert-butylphenol) as an antioxidant additive significantly enhances the oxidative stability and performance of new biolubricant formulations, marking it as an effective solution in sustainable lubrication technology (Quinchia et al., 2011).


• Study of bioaccumulation potential in soils: Research utilized 4,4′-Methylenebis(2,6-di-tert-butylphenol) to investigate its bioaccumulation potential in field-collected soils, demonstrating its environmental interaction and mobility which are crucial for risk assessments in ecological contexts (Princz et al., 2014).


• Antioxidant activity and intramolecular interactions: A study explored the antioxidant activity of o-bisphenols like 4,4′-Methylenebis(2,6-di-tert-butylphenol), focusing on intramolecular hydrogen bonding and its role in enhancing radical scavenging efficiency, pivotal for designing more effective antioxidants (Amorati et al., 2003).

分析報告

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 153 °C
Melting range (upper value): ≤ 156 °C
Identity (IR): passes test

安全信息

• 危險聲明: H413
• 防範說明: P273 - P501
• 危險分類: Aquatic Chronic 4
• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 431.6 °F
• 閃點（°C）: 222 °C