2,2'-METHYLENEBIS(4-ETHYL-6-TERT-BUTYLPHENOL)

CAS No.：88-24-4

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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2,2'-METHYLENEBIS(4-ETHYL-6-TERT-BUTYLPHENOL) Basic information

Product Name:	2,2'-METHYLENEBIS(4-ETHYL-6-TERT-BUTYLPHENOL)
Synonyms:	LABOTEST-BB LT00159285;BIS(3-TERT-BUTYL-5-ETHYL-2-HYDROXYPHENYL)METHANE;di(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methane;Methylenebisethylbutylphenol;2-tert-butyl-6-(3-tert-butyl-5-ethyl-2-hydroxy-benzyl)-4-ethyl-phenol;2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxy-phenyl)methyl]-4-ethyl-phenol;2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol;6,6′-Di-tert-butyl-4,4′-diethyl-2,2′-methylendiphenol
CAS:	88-24-4
MF:	C25H36O2
MW:	368.55
EINECS:	201-814-0
Product Categories:	Antiager;Diphenylmethanes (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;Polymer Additives;Polymer Science;Stabilizers
Mol File:	88-24-4.mol

2,2'-METHYLENEBIS(4-ETHYL-6-TERT-BUTYLPHENOL) Chemical Properties

Melting point	119-122 °C(lit.)
Boiling point	458.86°C (rough estimate)
density	1.010
vapor pressure	0Pa at 25℃
refractive index	1.4894 (estimate)
storage temp.	Inert atmosphere,Room Temperature
solubility	Chloroform (Slightly), Methanol (Slightly)
pka	11.37±0.48(Predicted)
form	Solid
color	White to Off-White
LogP	8.95 at 20℃
CAS DataBase Reference	88-24-4(CAS DataBase Reference)
EPA Substance Registry System	2,2'-Methylenebis[6-(tert-butyl)-4-ethylphenol] (88-24-4)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	2
RTECS	SL9800000
HS Code	29072990
Hazardous Substances Data	88-24-4(Hazardous Substances Data)
Toxicity	LD50 oral in rat: > 10gm/kg

MSDS Information

Provider	Language
SigmaAldrich	English

2,2'-METHYLENEBIS(4-ETHYL-6-TERT-BUTYLPHENOL) Usage And Synthesis

Uses	Antioxidant
Flammability and Explosibility	Notclassified
Safety Profile	Poison by intraperitoneal route. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.

2,2'-METHYLENEBIS(4-ETHYL-6-TERT-BUTYLPHENOL) Preparation Products And Raw materials

Raw materials

2-tert-Butyl-4-ethylphenol-->Formaldehyde

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