Study Results & Research Projects

Summaries & Associations of Study Results

TR-436 Tert-Butyl Alcohol

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Target Organs and Levels of Evidence
NTP Technical Report Number 436

Produced from Chemtrack Database 09/19/01

CHEMICAL/ CAS NUMBER PEER REVIEW DATE PRIMARY USES ROUTE/EXPOSURE LEVELS STUDY LABORATORY
TERT-BUTYL ALCOHOL
75-65-0
06/21/94 WIDELY USED IN THE MANUFACTURE OF PERFUMES AND A VARIETY OF COSMETICS. IT IS ALSO USED AS A RAW MATERIAL IN THE PRODUCTION OF ISOBUTYLENE, WHICH MAY BE USED TO PRODUCE METHYL TERTIARY BUTYL ETHER, A COMMON GASOLINE ADDITIVE, OR TO PRODUCE BUTYL ELASTOMERS USED IN THE PRODUCTION OF AUTOMOBILE TIRES. Dosed-Water R: 0,0.125, 0.25, 0.5%(M). 0, 0.25, 0.5, 1.0%(F). M:0,0.5,1.0,2.0%(M&F)/50 PER GROUP Southern Research Institute
LEVELS OF EVIDENCE OF CARCINOGENICITY--ORGAN/TISSUE (NEOPLASM):
MR: SOME EVIDENCE KIDNEY TUBULAR CELL: (SINGLE SECTIONS) ADENOMA 1/50 3/50 4/50 2/50 OR CARCINOMA 0/50 0/50 0/50 1/50 COMBINED 1/50 3/50 4/50 3/50; (SINGLE AND STEP SECTIONS) ADENOMA 8/50 11/50 19/50 13/50 OR CARCINOMA 0/50 2/50 1/50 1/50 COMBINED 8/50 13/50 19/50 13/50
NON-NEOPLASTIC LESIONS: KIDNEY: MINERALIZATION; TRANSITIONAL EPITHELIAL HYPERPLASIA; INCREASED SEVERITY OF NEPHROPATHY; RENAL TUBULE HYPERPLASIA
FR: NO EVIDENCE
NON-NEOPLASTIC LESIONS: KIDNEY: TRANSITIONAL EPITHELIAL HYPERPLASIA; INCREASED SEVERITY OF NEPHROPATHY
MM: EQUIVOCAL EVIDENCE THYROID GLAND FOLLICULAR CELL: ADENOMA 1/60 0/59 4/59 1/57 OR CARCINOMA 0/60 0/59 0/59 1/57 COMBINED 1/60 0/59 4/59 2/57
NON-NEOPLASTIC LESIONS: THYROID GLAND: FOLLICULAR CELL HYPERPLASIA
URINARY BLADDER: CHRONIC INFLAMMATION; TRANSITIONAL EPITHELIAL HYPERPLASIA
FM: SOME EVIDENCE THYROID GLAND FOLLICULAR CELL: ADENOMA 2/58 3/60 2/59 9/59
NON-NEOPLASTIC LESIONS: THYROID GLAND: FOLLICULAR CELL HYPERPLASIA
URINARY BLADDER: CHRONIC INFLAMMATION; TRANSITIONAL EPITHELIAL HYPERPLASIA