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8.42857

Sigma-Aldrich

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

for synthesis

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C29H44O2
CAS Number:
118-82-1
Molecular Weight:
424.66
MDL number:
MFCD00008822
UNSPSC Code:
12352104
EC Index Number:
204-279-1
NACRES:
NA.22

vapor pressure

<0.1 hPa ( 25 °C)

Quality Level

200

assay

≥98.0% (GC)

form

crystals

potency

>5000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

bp

217 °C/1 hPa

mp

153-156 °C

transition temp

flash point 222 °C

solubility

<0.0001 g/L

density

0.99 g/cm3 at 20 °C

Application


  • 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).

Analysis Note

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

hcodes

H413

Hazard Classifications

Aquatic Chronic 4

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

431.6 °F

flash_point_c

222 °C

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