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Carbon Black.

Authors
Anonymous
Source
NIOSH 1977 Oct:8-11
NIOSHTIC No.
00075404
Abstract
This information profile on carbon-black (7440440) lists its chemical structure, Chemical Abstracts Service number, Registry of Toxic Effects of Chemical Substances number, production figures and economic trends in production, uses, number of companies producing and using carbon-black, and the biological effects of exposure. Little information is available on organ damage caused by carbon- black. Bronchopneumonia and emphysema were noted in chronic inhalation studies in mice and monkeys. The acute median lethal dose administered intravenously to mice is 440 milligrams per kilogram. Carcinogenicity studies are reported. No studies of either mutagenicity or teratogenicity of carbon-black have been reported. An epidemiological study of workers in the carbon-black industry found no evidence for increased cancer mortality or morbidity associated with occupational exposure. Inhalation of carbon dust particles at 50 milligrams per milliliter causes slight irritation of the throat and increased mucociliary transport. The threshold limit value for carbon black has been set at 3.5 milligrams per cubic meter.
Keywords
NIOSH-Contract; Contract-210-77-0120; Coloring-materials; Pigments; Inks; Dusts; Carcinogens; Thresholds; Respiratory-system-disorders;
CAS No.
7440-44-0;
Publication Date
19771001
Funding Type
Contract;
Fiscal Year
1978
NTIS Accession No.
NTIS Price
Identifying No.
Contract-210-77-0120
Priority Area
Asthma and Chronic Obstructive Pulmonary Disease; Disease and Injury; Respiratory-system-disorders;
Source Name
Information Profiles on Potential Occupational Hazards, NIOSH Contract No. 210-77-0120, October 1977
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