8.42857

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

for synthesis

• Sinonimo/i: 4,4′-Methylenebis(2,6-di-tert-butylphenol)
• Formula empirica (notazione di Hill): C₂₉H₄₄O₂
• Numero CAS: 118-82-1
• Peso molecolare: 424.66
• Numero MDL: MFCD00008822
• Codice UNSPSC: 12352104
• Numero indice EU: 204-279-1
• NACRES: NA.22

Proprietà

• Tensione di vapore: <0.1 hPa ( 25 °C)
• Livello qualitativo: 200
• Saggio: ≥98.0% (GC)
• Forma fisica: crystals
• Potenza: >5000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rabbit)
• P. eboll.: 217 °C/1 hPa
• Punto di fusione: 153-156 °C
• Temp. transizione: flash point 222 °C
• Solubilità: <0.0001 g/L
• Densità: 0.99 g/cm³ at 20 °C
• Temperatura di conservazione: 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; MDWVSAYEQPLWMX-UHFFFAOYSA-N

Descrizione

Applicazioni

• 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).

Risultati analitici

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

Informazioni sulla sicurezza

• Indicazioni di pericolo: H413
• Consigli di prudenza: P273 - P501
• Classi di pericolo: Aquatic Chronic 4
• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): 431.6 °F
• Punto d’infiammabilità (°C): 222 °C