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Niobium

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Name

Niobium

EINECS 231-113-5
CAS No. 7440-03-1 Density 8.57 g/mL at 25 °C(lit.)
PSA 0.00000 LogP 0.00000
Solubility Insoluble in water. Melting Point 2468 °C(lit.)
Formula Nb Boiling Point 4742 °C(lit.)
Molecular Weight 92.91 Flash Point N/A
Transport Information UN 1383 4.2/PG 1 Appearance shiny grey metallic solid
Safety 17-36-26 Risk Codes 17-36/37/38
Molecular Structure Molecular Structure of 7440-03-1 (Niobium) Hazard Symbols FlammableF,IrritantXi
Synonyms

Columbium;Niobium element;Niobium-93;VN 1;Ventron 00471;

 

Niobium Consensus Reports

Reported in EPA TSCA Inventory.

Niobium Specification

 The Niobium, with the cas registry number 7440-03-1, is a kind of shiny grey metallic solid. This chemical is stable chemically but incompatible with strong bases, strong oxidizing agents, halogens, oxygen. Its product categories are including Inorganics; NA - NISpectroscopy; AA Standard SolutionsAlphabetic; AAS; Matrix Selection; N; OtherSpectroscopy; Reference/Calibration Standards; Single Solution; Standard Solutions. As to its use, it is often applied in producing stainless steel and superconducting magnet.

The physical properties of this chemical are below: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 92.906378; (6)MonoIsotopic Mass: 92.906378; (7)Heavy Atom Count: 1; (8)Covalently-Bonded Unit Count: 1; (9)Melting Point: 2468 °C(lit.); (10)Boiling point: 4742 °C(lit.); (11)Density: 8.57 g/mL at 25 °C(lit.).

When you are using this chemical, you should be very cautious. First for being a kind of irritant chemicals to eyes and skin, it may cause inflammation to the skin or other mucous membranes. And it is highly flammable which may catch fire in contact with air, only needing brief contact with an ignition source, and it has a very low flash point or evolve highly flammable gases in contact with water. This chemical is spontaneously flammable in air. Therefore, you could take the different measures to deal with different cases. Wear suitable protective clothing, and if in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Then Keep it away from combustible material.

Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [Nb]
(2)InChI: InChI=1S/Nb
(3)InChIKey: GUCVJGMIXFAOAE-UHFFFAOYSA-N

Below are the toxicity information of this chemical:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD intraperitoneal > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 34(12), Pg. 56, 1990.
mouse LD oral > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 34(12), Pg. 56, 1990.
rat LD intraperitoneal > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 34(12), Pg. 56, 1990.
rat LD oral > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 34(12), Pg. 56, 1990

 

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