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

Modify Date: 2025-08-25 18:12:07

4,4'-Methylenebis(2,6-di-tert-butylphenol) Structure
4,4'-Methylenebis(2,6-di-tert-butylphenol) structure
 Common Name 4,4'-Methylenebis(2,6-di-tert-butylphenol)
CAS Number 118-82-1 Molecular Weight 424.659
Density 1.0±0.1 g/cm3 Boiling Point 459.5±40.0 °C at 760 mmHg
Molecular Formula C29H44O2 Melting Point 155-159 °C(lit.)
MSDS Chinese USA Flash Point 178.1±21.9 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 4,4'-Methylenebis(2,6-di-tert-butylphenol)
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 459.5±40.0 °C at 760 mmHg
Melting Point 155-159 °C(lit.)
Molecular Formula C29H44O2
Molecular Weight 424.659
Flash Point 178.1±21.9 °C
Exact Mass 424.334137
PSA 40.46000
LogP 9.49
Vapour Pressure 0.0±1.2 mmHg at 25°C
Index of Refraction 1.527

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SL9650000
CHEMICAL NAME :
Phenol, 4,4'-methylenebis(2,6-bis(1,1-dimethylethyl)-
CAS REGISTRY NUMBER :
118-82-1
BEILSTEIN REFERENCE NO. :
1916919
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C29-H44-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2021 mg/kg/1W-C
TOXIC EFFECTS :
Liver - other changes Blood - other changes Biochemical - Metabolism (Intermediary) - lipids including transport
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 8,77,1981
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
56700 mg/kg/2Y-C
TOXIC EFFECTS :
Gastrointestinal - ulceration or bleeding from large intestine Liver - hepatitis, fibrous (cirrhosis, post-necrotic scarring) Related to Chronic Data - death
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536073 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83032 No. of Facilities: 7725 (estimated) No. of Industries: 96 No. of Occupations: 64 No. of Employees: 120009 (estimated) No. of Female Employees: 20306 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS SL9650000
HS Code 2907299090

 Synthetic Route

 Customs

HS Code 2907299090
Summary 2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

 Articles1

More Articles
Effects of four bisphenolic antioxidants on lipid contents of rat liver.

Toxicol. Lett. 8(1-2) , 77-86, (1981)

Hepatic lipids were studied in Sprague-Dawley male rats given, 2,2'-methylenebis(4-ethyl-6-tert-butylphenol), 2,2'-methylenebis(4-methyl-6-tert-butylphenol), 4,4'-butylidenebis(3-methyl-6-tert-butylph...

 Synonyms

Bis(3,5-di-tert-butyl-4-hydroxyphenyl)methane
4,4'-Methylenebis[2,6-bis(2-methyl-2-propanyl)phenol]
4,4'-methanediylbis(2,6-di-tert-butylphenol)
MFCD00008822
Phenol, 4,4'-methylenebis[2,6-bis(1,1-dimethylethyl)-
Ethanox 702
3,3',5,5'-Tetra-tert-butyl-4,4'-dihydroxydiphenylmethane
Phenol, 4,4'-methylenebis[2,6-di-tert-butyl-
4,4'-Methylenebis(2,6-di-tert-butylphenol)
EINECS 204-279-1
2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol
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Chemsrc provides CAS#:118-82-1 MSDS, density, melting point, boiling point, structure, etc. Its name is 4,4'-Methylenebis(2,6-di-tert-butylphenol)>> amp version: 4,4'-Methylenebis(2,6-di-tert-butylphenol)

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