RTECS NUMBER : QU0500000
CHEMICAL NAME : Niobium oxide
CAS REGISTRY NUMBER : 1313-96-8
LAST UPDATED : 199710
DATA ITEMS CITED : 8
MOLECULAR FORMULA : Nb2-O5
MOLECULAR WEIGHT : 265.82
SYNONYMS/TRADE NAMES :
* Diniobium pentaoxide
* Diniobium pentoxide
* Niobia
* Niobium(5+) oxide
* Niobium pentaoxide
* Niobium pentoxide
* Niobium(V) oxide
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD - Lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 35(4),38,1991
TYPE OF TEST : LD - Lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 35(4),38,1991
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >4 gm/kg
TOXIC EFFECTS :
Behavioral - muscle contraction or spasticity
Lungs, Thorax, or Respiration - acute pulmonary edema
Liver - hepatitis (hepatocellular necrosis), diffuse
REFERENCE :
HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA.
(Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year:
32(10-12),343,1967
TYPE OF TEST : LD - Lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 35(4),38,1991
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 60 gm/kg/6W-I
TOXIC EFFECTS :
Cardiac - other changes
Blood - other changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 35(4),38,1991
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - A1805
No. of Facilities: 10 (estimated)
No. of Industries: 2
No. of Occupations: 2
No. of Employees: 207 (estimated)
No. of Female Employees: 57 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***
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