Butylated hydroxytoluene
Names
[ CAS No. ]:
128-37-0
[ Name ]:
Butylated hydroxytoluene
[Synonym ]:
2,6-Di-tert-butyl-4-methylphenol
EINECS 204-881-4
3,5-Di-tert-butyl-4-hydroxytoluene
MFCD00011644
2,6-Di-tert-butyl-p-cresol
4-hydroxy-3,5-di-tert-butylphenylacetic acid
3,5-di-t-butyl-4-hydroxyphenyl-acetic acid
Butylated hydroxytoluene
2,6-di-tert-butyl-4-methyl-phenol
Naugard BHT
4-methyl-2,6-di-tert-butylphenol
2,6-di-t-butyl-p-methyl phenol
BHT
2.6-Di-tert-butyl-4-methylphenol (BHT inhibitor)
Biological Activity
[Description]:
[Related Catalog]:
[In Vivo]
[References]
Chemical & Physical Properties
[ Density]:
1.048
[ Boiling Point ]:
265 ºC
[ Melting Point ]:
69-71 ºC
[ Molecular Formula ]:
C15H24O
[ Molecular Weight ]:
220.350
[ Flash Point ]:
127 ºC
[ Exact Mass ]:
220.182709
[ PSA ]:
20.23000
[ LogP ]:
5.32
[ Vapour density ]:
7.6 (vs air)
[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C
[ Index of Refraction ]:
1.499
[ Stability ]:
Stable, but light-sensitive. Incompatible with acid chlorides, acid anhydrides, brass, copper, copper alloys, steel, bases, oxidizing agents. Combustible.
[ Water Solubility ]:
insoluble
MSDS
Toxicological Information
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)
Safety Information
[ Symbol ]:
GHS09
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H410
[ Precautionary Statements ]:
P273-P501
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xn:Harmful
[ Risk Phrases ]:
R22;R36/37/38
[ Safety Phrases ]:
S26-S36-S37/39
[ RIDADR ]:
3077
[ WGK Germany ]:
1
[ RTECS ]:
GO7875000
[ Packaging Group ]:
III
[ Hazard Class ]:
9
[ HS Code ]:
2907199090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2907199090
[ Summary ]:
2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%
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