Antimony trioxide Quickview (CASRN 1309-64-4)

Status of Data for Antimony trioxide

File First On-Line: 09/01/1995; Last Significant Revision: 09/01/1995

Category (section)	Status	Last Revised
Oral RfD Assessment	No data
Inhalation RfC Assessment	On-line	09/01/1995
Carcinogenicity Assessment	No data

Synonyms

1309-64-4 Antimony oxide Diantimony trioxide A 1530 A 1582

A 1588LP Amspec-KR Antimonious oxide Antimony peroxide more...

Chronic Health Hazard Assessments for Noncarcinogenic Effects

Reference Dose for Chronic Oral Exposure (RfD)

Not Assessed under the IRIS Program.

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Reference Concentration for Chronic Inhalation Exposure (RfC)

Critical Effect	Point of Departure*	UF	MF	RfC
Pulmonary toxicity, chronic interstitial inflammation	BMC10 (HEC): 0.074 mg/m3	300	1	2x10-4 mg/m3

* The Point of Departure listed serves as a basis from which the Inhalation RfC was derived. See Discussion of Conversion Factors and Assumptions for more details.

• Principal and Supporting Studies (Inhalation RfC)
  • Rat 1-year inhalation toxicity study, Newton et al., 1994
• Confidence in the Inhalation RfC
  • Study -- Medium
  • Database -- Medium
  • RfC -- Medium

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Carcinogenicity Assessment for Lifetime Exposure

• Weight-of-Evidence Characterization
  • Not Assessed under the IRIS Program.

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Quantitative Estimate of Carcinogenic Risk from Oral Exposure

• Not Assessed under the IRIS Program.

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Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure

• Not Assessed under the IRIS Program.