Study Results & Research Projects

Summaries & Associations of Study Results

TR-499 Indium Phosphide

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Target Organs and Levels of Evidence
NTP Technical Report Number 499

Produced from Chemtrack Database 12/24/03

CHEMICAL/ CAS NUMBER PEER REVIEW DATE PRIMARY USES ROUTE/EXPOSURE LEVELS STUDY LABORATORY
INDIUM PHOSPHIDE
22398-80-7
05/18/00 USED IN ELECTRONICS INDUSTRY; IN SEMICONDUCTOR DEVICES, INJECTOR LASERS, AND SOLAR CELLS. PROPOSED TO REPLACE SILICON IN COMPUTER MICROCHIPS. Inhalation R&M: 0, 0.03, 0.1, OR 0.3 MG/M3 Battelle Northwest Laboratory
LEVELS OF EVIDENCE OF CARCINOGENICITY--ORGAN/TISSUE (NEOPLASM):
MR: CLEAR EVIDENCE LUNG: ALVEOLAR/BRONCHIOLAR ADEMONA 6/50 13/50 27/50 30/50; ALVEOLAR/BRONCHIOLAR CARCINOMA 1/50 10/50 8/50 16/50; COMBINED 7/50 22/50 30/50 35/50; SQUAMOUS CELL CARCINOMA 0/50 0/50 0/50 4/50
ADRENAL GLAND: (MEDULLA) BENIGN PHEOCHROMOCYTOMA 10/50 22/50 16/49 23/50 BENIGN OR MALIGNANT PHEOCHROMOCYTOMA 10/50 26/50 18/49 24/50
MAY HAVE BEEN RELATED: HEMATOPOIETIC SYSTEM: MONONUCLEAR CELL LEUKEMIA 16/50 23/50 29/50 25/50
SKIN: FIBROMA 1/50 4/50 7/50 3/50; FIBROMA OR FIBROSARCOMA 2/50 4/50 8/50 4/50
NON-NEOPLASTIC LESIONS: LUNG: ATYPICAL HYPERPLASIA; CHRONIC ACTIVE INFLAMMATION; ALVEOLAR EPITHELIUM METAPLASIA; ALVEOLUS PROTEINOSIS; INTERSTITIUM FIBROSIS; ALVEOLAR EPITHELIUM HYPERPLASIA
FR: CLEAR EVIDENCE LUNG: ALVEOLAR/BRONCHIOLAR ADEMONA 0/50 7/50 5/50 19/50; ALVEOLAR/BRONCHIOLAR CARCINOMA 1/50 3/50 1/50 11/50; COMBINED 1/50 10/50 6/50 26/50
ADRENAL GLAND: (MEDULLA) BENIGN PHEOCHROMOCYTOMA 2/50 6/48 2/50 9/49
MAY HAVE BEEN RELATED: HEMATOPOIETIC SYSTEM: MONONUCLEAR CELL LEUKEMIA 14/50 21/50 14/50 24/50
MAMMARY GLAND: CARCINOMA 0/50 8/50 3/50 2/50
NON-NEOPLASTIC LESIONS: LUNG: ATYPICAL HYPERPLASIA; CHRONIC ACTIVE INFLAMMATION; ALVEOLAR EPITHELIUM METAPLASIA; ALVEOLUS PROTEINOSIS; INTERSTITIUM FIBROSIS; ALVEOLAR EPITHELIUM HYPERPLASIA; SQUAMOUS CYST
ADRENAL GLAND: (MEDULLA) HYPERPLASIA
MM: CLEAR EVIDENCE LUNG: ALVEOLAR/BRONCHIOLAR CARCINOMA 6/50 15/50 22/50 13/50
LIVER: ADENOMA 17/50 24/50 23/50 32/50; CARCINOMA 11/50 22/50 23/50 16/50; COMBINED 26/50 40/50 37/50 39/50
MAY HAVE BEEN RELATED: INTESTINES: CARCINOMA 0/50 1/50 5/50 3/50; ADEMONA OR CARCINOMA 1/50 2/50 6/50 3/50
NON-NEOPLASTIC LESIONS: LUNG: CHRONIC ACTIVE INFLAMMATION; ALVEOLUS PROTEINOSIS; SEROSA FIBROSIS; PLEURA MESOTHELIUM HYPERPLASIA
LIVER: EOSINOPHLILIC FOCUS
HEART: (ARTERY) INFLAMMATION
FM: CLEAR EVIDENCE LUNG: ALVEOLAR/BRONCHIOLAR ADEMONA 3/50 6/50 10/50 7/50; ALVEOLAR/BRONCHIOLAR CARCINOMA 1/50 6/50 5/50 7/50; COMBINED 4/50 11/50 15/50 14/50
LIVER: ADENOMA 12/50 14/50 18/50 14/50; CARCINOMA 6/50 17/50 8/50 10/50; COMBINED 18/50 28/50 24/50 23/50
NON-NEOPLASTIC LESIONS: LUNG: CHRONIC ACTIVE INFLAMMATION; ALVEOLUS PROTEINOSIS; SEROSA FIBROSIS; PLEURA MESOTHELIUM HYPERPLASIA
LIVER: EOSINOPHILIC FOCUS
HEART: (ARTERY) INFLAMMATION