Study Results & Research Projects

Summaries & Associations of Study Results

TR-424 o-Benzyl-p-Chlorophenol

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http://ntp.niehs.nih.gov/go/10497

Target Organs and Levels of Evidence
NTP Technical Report Number 424

Produced from Chemtrack Database 09/19/01

CHEMICAL/ CAS NUMBER PEER REVIEW DATE PRIMARY USES ROUTE/EXPOSURE LEVELS STUDY LABORATORY
O-BENZYL-P-CHLOROPHENOL
120-32-1
12/01/92 GERMICIDE IN DISINFECTANT SOLUTIONS AND SOAP. (TDB) Gavage MR: 0,30,60,120, FR: 0,60,120,240, M: 0,120,240,480 MG/KG/50 PER GROUP Battelle Columbus Laboratory
LEVELS OF EVIDENCE OF CARCINOGENICITY--ORGAN/TISSUE (NEOPLASM):
MR: NO EVIDENCE
NON-NEOPLASTIC LESIONS: KIDNEY: INCREASED SEVERITY OF NEPHROPATHY
PARATHYROID GLAND: HYPERPLASIA
BONE: CRANIAL FIBROUS OSTEODYSTROPHY; FEMUR FIBROUS OSTEODYSTROPHY
GLANDULAR STOMACH: MINERALIZATION
FR: EQUIVOCAL EVIDENCE KIDNEY TRANSITIONAL CELL: CARCINOMA 0/50 0/50 1/51 1/50
NON-NEOPLASTIC LESIONS: KIDNEY: INCREASED SEVERITY OF NEPHROPATHY
MM: SOME EVIDENCE KIDNEY TUBULAR CELL: ADENOMA 0/50 2/50 2/50 2/50 OR CARCINOMA 0/50 0/50 2/50 1/50 COMBINED 0/50 2/50 4/50 3/50; (STEP SECTIONS) ADENOMA 0/50 1/50 2/50 3/50 OR CARCINOMA 0/50 0/50 1/50 0/50 COMBINED 0/50 1/50 3/50 3/50
NON-NEOPLASTIC LESIONS: KIDNEY: INCREASED INCIDENCE AND SEVERITY OF NEPHROPATHY
BONE: FIBROUS OSTEODYSTROPHY
GLANDULAR STOMACH: MINERALIZATION
FM: NO EVIDENCE
NON-NEOPLASTIC LESIONS: KIDNEY: INCREASED INCIDENCE AND SEVERITY OF NEPHROPATHY
BONE: FIBROUS OSTEODYSTROPHY
GLANDULAR STOMACH: MINERALIZATION