CHEMICAL IDENTIFICATION
-
RTECS NUMBER :
-
GO7875000
-
CHEMICAL NAME :
-
p-Cresol, 2,6-di-tert-butyl-
-
CAS REGISTRY NUMBER :
-
128-37-0
-
LAST UPDATED :
-
199712
-
DATA ITEMS CITED :
-
79
-
MOLECULAR FORMULA :
-
C15-H24-O
-
MOLECULAR WEIGHT :
-
220.39
-
WISWESSER LINE NOTATION :
-
1X1&1&R BQ E1 CX1&1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
-
TYPE OF TEST :
-
Standard Draize test
-
ROUTE OF EXPOSURE :
-
Administration onto the skin
-
SPECIES OBSERVED :
-
Human
-
TYPE OF TEST :
-
Standard Draize test
-
ROUTE OF EXPOSURE :
-
Administration onto the skin
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
TYPE OF TEST :
-
Standard Draize test
-
ROUTE OF EXPOSURE :
-
Administration into the eye
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Human - woman
-
DOSE/DURATION :
-
80 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - coma Gastrointestinal - gastritis Gastrointestinal - nausea or vomiting
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
890 mg/kg
-
TOXIC EFFECTS :
-
Details of toxic effects not reported other than lethal dose value
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
650 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - tremor Lungs, Thorax, or Respiration - chronic pulmonary edema
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Intraperitoneal
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
138 mg/kg
-
TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - chronic pulmonary edema Lungs, Thorax, or Respiration - other changes Blood - hemorrhage
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Intravenous
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
180 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - sleep
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Mammal - cat
-
DOSE/DURATION :
-
940 mg/kg
-
TOXIC EFFECTS :
-
Gastrointestinal - hypermotility, diarrhea Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
2100 mg/kg
-
TOXIC EFFECTS :
-
Gastrointestinal - hypermotility, diarrhea Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - guinea pig
-
DOSE/DURATION :
-
10700 mg/kg
-
TOXIC EFFECTS :
-
Gastrointestinal - hypermotility, diarrhea Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
109 gm/kg/2Y-C
-
TOXIC EFFECTS :
-
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
27 gm/kg/90D-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Endocrine - evidence of thyroid hyperfunction Endocrine - changes in thyroid weight
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
37800 mg/kg/6W-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Endocrine - changes in adrenal weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
5600 mg/kg/16W-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Kidney, Ureter, Bladder - other changes in urine composition
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
275 mg/kg/26W-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Skin and Appendages - hair Nutritional and Gross Metabolic - weight loss or decreased weight gain
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
112 gm/kg/80W-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.) Biochemical - Metabolism (Intermediary) - other proteins
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
5040 mg/kg/7D-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Blood - changes in erythrocyte (RBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
13500 mg/kg/18D-I
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other Enzymes
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
48600 mg/kg/30D-C
-
TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - changes in lung weight Liver - changes in liver weight Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Administration onto the skin
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
5 gm/kg/4W-I
-
TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - changes in lung weight Related to Chronic Data - death
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Primate - monkey
-
DOSE/DURATION :
-
14 gm/kg/4W-I
-
TOXIC EFFECTS :
-
Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - hamster
-
DOSE/DURATION :
-
1596 mg/kg/14D-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 - other transferases
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
134 gm/kg/32W-C
-
TOXIC EFFECTS :
-
Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - tumors Tumorigenic - cells (cultured) transformed
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
435 mg/kg/69W-C
-
TOXIC EFFECTS :
-
Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors
-
TYPE OF TEST :
-
TD - Toxic dose (other than lowest)
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
247 gm/kg/3Y-C
-
TOXIC EFFECTS :
-
Tumorigenic - Carcinogenic by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Liver - tumors
-
TYPE OF TEST :
-
TD - Toxic dose (other than lowest)
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
247 gm/kg/3Y-C
-
TOXIC EFFECTS :
-
Tumorigenic - neoplastic by RTECS criteria Reproductive - Tumorigenic effects - ovarian tumors
-
TYPE OF TEST :
-
TD - Toxic dose (other than lowest)
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
1423 mg/kg/43W-C
-
TOXIC EFFECTS :
-
Tumorigenic - neoplastic by RTECS criteria Liver - tumors
-
TYPE OF TEST :
-
TD - Toxic dose (other than lowest)
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
247 gm/kg
-
TOXIC EFFECTS :
-
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors
-
TYPE OF TEST :
-
TD - Toxic dose (other than lowest)
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
963 gm/kg
-
TOXIC EFFECTS :
-
Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
6 gm/kg
-
SEX/DURATION :
-
male 13 week(s) pre-mating female 13 week(s) pre-mating - 3 week(s) post-birth
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
18 gm/kg
-
SEX/DURATION :
-
male 2 week(s) pre-mating female 2 week(s) pre-mating - 3 week(s) post-birth
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - behavioral
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
9 gm/kg
-
SEX/DURATION :
-
male 2 week(s) pre-mating female 2 week(s) pre-mating - 3 week(s) post-birth
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
35 gm/kg
-
SEX/DURATION :
-
male 10 week(s) pre-mating
-
TOXIC EFFECTS :
-
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
43800 mg/kg
-
SEX/DURATION :
-
female 52 day(s) pre-mating female 1-21 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Maternal Effects - parturition Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
12600 mg/kg
-
SEX/DURATION :
-
female 1-21 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - behavioral
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
1200 mg/kg
-
SEX/DURATION :
-
female 9 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
-
TYPE OF TEST :
-
DNA damage
-
TYPE OF TEST :
-
Unscheduled DNA synthesis
-
TYPE OF TEST :
-
Unscheduled DNA synthesis
-
TYPE OF TEST :
-
Dominant lethal test
-
TYPE OF TEST :
-
Mutation test systems - not otherwise specified
-
TYPE OF TEST :
-
DNA inhibition
-
TYPE OF TEST :
-
Dominant lethal test
-
TYPE OF TEST :
-
Sperm Morphology
MUTATION DATA
-
TYPE OF TEST :
-
Cytogenetic analysis
-
TEST SYSTEM :
-
Rodent - hamster Ovary
-
REFERENCE :
-
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 345,73,1995 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 10 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 40,161,1986 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 40,161,1986 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW FEPRA7 Federation Proceedings, Federation of American Societies for Experimental Biology. (Bethesda, MD) V.1-46, 1942-87. Volume(issue)/page/year: 35,89,1976 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 mg/m3 JAN 1993 OEL-BELGIUM:TWA 10 mg/m3 JAN 1993 OEL-FINLAND:TWA 10 mg/m3;STEL 20 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 10 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 10 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 10 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 10 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO 2,6-DI-t-BUTYL-p-CRESOL-air:10H TWA 10 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83383 No. of Facilities: 1526 (estimated) No. of Industries: 32 No. of Occupations: 39 No. of Employees: 28860 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83383 No. of Facilities: 27242 (estimated) No. of Industries: 210 No. of Occupations: 154 No. of Employees: 591238 (estimated) No. of Female Employees: 163774 (estimated)
|