niobium
Names
Chemical & Physical Properties
[ Density]:
8.57 g/mL at 25 °C(lit.)
[ Boiling Point ]:
4742 °C(lit.)
[ Melting Point ]:
2468 °C(lit.)
[ Molecular Formula ]:
Nb
[ Molecular Weight ]:
92.90640
[ Exact Mass ]:
92.90640
[ Storage condition ]:
-20°C
[ Stability ]:
Stable. Incompatible with strong bases, strong oxidizing agents, halogens, oxygen.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- QT9900000
- CHEMICAL NAME :
- Niobium
- CAS REGISTRY NUMBER :
- 7440-03-1
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- Nb
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: 34(12),56,1990
- 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: 34(12),56,1990
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Oral
- 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: 34(12),56,1990
- 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: 34(12),56,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 19985 No. of Facilities: 2420 (estimated) No. of Industries: 52 No. of Occupations: 67 No. of Employees: 52588 (estimated) No. of Female Employees: 458 (estimated)
Safety Information
[ Symbol ]:
GHS02
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H250
[ Precautionary Statements ]:
P222-P231-P422
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
F: Flammable;
[ Risk Phrases ]:
R17
[ Safety Phrases ]:
S17-S36-S26
[ RIDADR ]:
UN 1383 4.2/PG 1
[ WGK Germany ]:
-
[ RTECS ]:
QT9900000
[ Packaging Group ]:
II
[ Hazard Class ]:
8
[ HS Code ]:
8112994000
Customs
[ HS Code ]: 8112994000
Articles
J. Mech. Behav. Biomed. Mater. 18 , 232-9, (2013)
Hydroxyapatite (HAp) films were deposited on a β-type titanium alloy, Ti-29Nb-13Ta-4.6Zr (TNTZ), by metal organic chemical vapor deposition (MOCVD) in order to improve its hard-tissue compatibility. T...
Effect of surface treatment on bond strength of Ti-10Ta-10Nb to low-fusing porcelain.J. Prosthet. Dent. 109(2) , 95-105, (2013)
Ti-10Ta-10Nb alloy is a promising alloy for metal ceramic crowns because of its good corrosion resistance and low cytotoxicity. However, more information is needed on the bond strength between this al...
Dehydration of glycerol over niobia-supported silicotungstic acid catalysts.J. Nanosci. Nanotechnol. 13(1) , 339-43, (2013)
Liquid-phase dehydration of glycerol to acrolein over nanosized niobia-supported silicotungstic acid catalysts was performed to investigate the effect of the silicotungstic acid loading on the catalyt...