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88-24-4

88-24-4 structure
88-24-4 structure

Name 2,2-Methylenebis(4-Ethyl-6-Tert-Butylphenol)
Synonyms 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol
MFCD00026296
2,2'-Methylenebis[4-ethyl-6-(2-methyl-2-propanyl)phenol]
Phenol, 2,2'-methylenebis[6-(1,1-dimethylethyl)-4-ethyl-
EINECS 201-814-0
2,2'-Methylenebis(6-tert-butyl-4-ethylphenol)
Phenol, 2,2'-methylenebis[6-tert-butyl-4-ethyl-
2,2'-methanediylbis(6-tert-butyl-4-ethylphenol)
Density 1.0±0.1 g/cm3
Boiling Point 452.1±40.0 °C at 760 mmHg
Melting Point 119-122 °C(lit.)
Molecular Formula C25H36O2
Molecular Weight 368.552
Flash Point 187.5±21.9 °C
Exact Mass 368.271515
PSA 40.46000
LogP 8.09
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.544

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SL9800000
CHEMICAL NAME :
Phenol, 2,2'-methylenebis(6-tert-butyl-4-ethyl-
CAS REGISTRY NUMBER :
88-24-4
BEILSTEIN REFERENCE NO. :
2016207
LAST UPDATED :
199710
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C25-H36-O2
MOLECULAR WEIGHT :
368.61
WISWESSER LINE NOTATION :
1X1&1&R BQ F2 C1R BQ D2 CX1&1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>10 gm/kg
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 17,135,1992
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>10 gm/kg
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay) Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 17,135,1992
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
80 gm/kg/12W-C
TOXIC EFFECTS :
Liver - changes in liver weight Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 17,135,1992
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
16800 mg/kg/4W-C
TOXIC EFFECTS :
Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - catalases
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 18,49,1993
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
32760 mg/kg/78W-C
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
REFERENCE :
JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 16,15,1996 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1250 mg/kg
SEX/DURATION :
female 1-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
REFERENCE :
AJANA2 American Journal of Anatomy. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1-192, 1901-91. Volume(issue)/page/year: 110,29,1962 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9392 No. of Facilities: 90 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 5106 (estimated) No. of Female Employees: 2789 (estimated)
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
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS SL9800000

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88-24-4 structure

88-24-4

Literature: US2834752 , ;
Precursor  2

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