*** 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
REFERENCE : 4-06-00-06806 (Beilstein Handbook Reference)
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
COMPOUND DESCRIPTOR : Reproductive Effector
SYNONYMS/TRADE NAMES :
* Agidol 7
* Antage W 500
* Antioxidant 425
* AO 425
* Bis(2-hydroxy-3-tert-butyl-5-ethylphenyl)methane
* Chemanox 22
* Cyanox 425
* 2,2'-Methylenebis(6-tert-butyl-4-ethylphenol)
* 2,2'-Methylenebis(4-ethyl-6-tert-butylphenol)
* Nocrac NS 5
* Phenol, 2,2'-methylenebis(6-(1,1-dimethylethyl)-4-ethyl-
* Plastanox 425 antioxidant
* USAF CY-6
* Yoshinox 425
*** 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
SPECIES OBSERVED : Rodent - rat
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)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***