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RECORD NUMBER: 82 OF 104

Main Title Single Dose and Subacute Toxicity of Antimony Oxide (Sb2O3) with Cover Letter.
CORP Author Union Carbide Corp., Danbury, CT.;Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
Publisher 28 Mar 1945
Year Published 1945
Report Number 878210812;
Stock Number OTS-0206062
Additional Subjects Stabilizers ; Toxicity ; Laboratory animals ; Rats ; Ingestion ; Stabilizers ; Screening tests ; Antimony oxide ; Antimony trioxide ; CAS No 1309-64-4 ; Acute toxicity ; Chronic toxicity
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NTIS  OTS-0206062 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 11p
Abstract Our sample of antimony oxide had a low acute and chronic toxicity for rats, probably because of slight solubility. It appears to have been considerably less toxic and therefore less soluble than the sample studied by Bradley and Frederick. It is not unusual for different samples of an oxide to differ appreciably in solubility due to differences in crystal structure but no x-ray diffraction measurements were made to define the structure of our sample. If antimony oxide acts as a stabilizer for vinyl resins by accepting hydrochloric acid to form antimony trichloride, it seems likely that feeding tests on the oxide may be inadequate to judge the safety of its use in contact with foods. A hydrated oxide or oxychloride formed by contact of the trichloride with water might be considerably more soluble and therefore more toxic than the oxide as it is added to the film in manufacture. Nevertheless our screening tests with antimony oxide are sufficiently promising to justify further study of the stabilizer.
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Category Codes 57Y
NTIS Prices PC A03/MF A01
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Cataloging Source NTIS/MT
Control Number 009400280
Origin NTIS
Type CAT