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HomeProduct name list4,4'-Methylenebis(2,6-di-tert-butylphenol)

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

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

  • CAS NO.:118-82-1
  • Empirical Formula: C29H44O2
  • Molecular Weight: 424.66
  • MDL number: MFCD00008822
  • EINECS: 204-279-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-24 21:11:45
4,4'-Methylenebis(2,6-di-tert-butylphenol) Structural

What is 4,4'-Methylenebis(2,6-di-tert-butylphenol)?

Description

bis-BHT (118-82-1) is a potent antioxidant. Cell permeable.

Chemical properties

light yellow crystalline

The Uses of 4,4'-Methylenebis(2,6-di-tert-butylphenol)

Antioxidant.

Definition

ChEBI: 4,4'-Methylenebis(2,6-di-tert-butylphenol) is a diarylmethane.

What are the applications of Application

4,4'-Methylenebis(2,6-di-tert-butylphenol), also known as H2-4DBP, could be used as a ligand to react with sets of M(OR)x and MRx. The ligand possesses more flexibility than OBzP or catecholate derivatives, and the para-OH makes it of interest for controlled alcoholysis. This compound has several characteristics, including (i) the ortho position possesses the sterically hindering t-butyl group which will assist in minimizing oligomerization, (ii) the para linkage prevents chelation of the 4DBP ligand to the metal upon coordination, and (iii) may act as a valuable model for complexation behavior of the plastic precursor bisphenol-A [BPA; 4,4' -(propane-2,2-diyl)diphenol] that has become of recent concern[2].

Flammability and Explosibility

Non flammable

References

1) Amorati et al. (2003), Antioxidant activity of 0-bisphenols: the role of intramolecular hydrogen bonding; J. Org. Chem. 68 5198.
[2] T. Boyle, Daniel T Yonemoto, L. Steele. “Synthesis and characterization of 4,4′-methylenebis (2,6-di-tert-butylphenol) derivatives of a series of metal alkoxides and alkyls.” Journal of Coordination Chemistry 65.1(2012): 487–505.

Properties of 4,4'-Methylenebis(2,6-di-tert-butylphenol)

Melting point: 155-159 °C(lit.)
Boiling point: 289 °C40 mm Hg(lit.)
Density  0.99 g/cm3 (20℃)
vapor pressure  0Pa at 25℃
refractive index  1.4875 (estimate)
Flash point: 289°C/40mm
storage temp.  Store below +30°C.
solubility  <0.0001g/l
form  solid
pka 12.03±0.40(Predicted)
color  White
Water Solubility  31.9ng/L at 20℃
BRN  1916919
Stability: Stable for 2 years from date of purchase as supplied. Solutions are not stable. Solutions must be made fresh and used within 1 working day.
CAS DataBase Reference 118-82-1(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 4,4'-methylenebis[2,6-bis(1,1-dimethylethyl)-(118-82-1)
EPA Substance Registry System Phenol, 4,4'-methylenebis[2,6-bis(1,1-dimethylethyl)- (118-82-1)

Safety information for 4,4'-Methylenebis(2,6-di-tert-butylphenol)

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 4,4'-Methylenebis(2,6-di-tert-butylphenol)

InChIKey MDWVSAYEQPLWMX-UHFFFAOYSA-N

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