niobium

• ChemBase ID: 109863
• Molecular Formular: Nb
• Molecular Mass: 92.90638
• Monoisotopic Mass: 92.906378
• SMILES: [Nb]
• Canonical SMILES: [Nb]
• InChI: InChI=1S/Nb
• InChIKey: GUCVJGMIXFAOAE-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: niobium
• IUPAC Traditional name: niobium
• Synonyms: COLUMBIUM; Niobium rod, 6.35mm (0.25in) dia, annealed; Niobium rod, 12.7mm (0.5in) dia, hard; Niobium slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, Puratronic®; Niobium, plasma standard solution, Specpure®, Nb 10,000 g/ml; Niobium foil, 0.5mm (0.02in) thick, annealed; Niobium wire, 0.5mm (0.02in) dia; Niobium, plasma standard solution, Specpure®, Nb 1000 g/ml; Niobium, AAS standard solution, Specpure®, Nb 1000 g/ml; Niobium foil, 0.127mm (0.005in) thick; Niobium pieces; Niobium foil, 0.25mm (0.01in) thick; Niobium slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length; Niobium rod, 19mm (0.75in) dia, hard; Niobium slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length; Niobium slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length; Niobium foil, 2.0mm (0.08in) thick; Niobium slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length; Niobium foil, 0.05mm (0.002in) thick, annealed; Niobium powder, APS 1-5 micron; Niobium powder, -325 mesh, Puratronic®; Niobium foil, 0.3mm (0.01in) thick, annealed; Niobium gauze, 40 mesh woven from 0.178mm (0.007in) dia wire; Niobium sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick; Niobium sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick; Niobium sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick; Niobium sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick; Niobium powder, -60 mesh; Niobium foil, 0.127mm (0.005in) thick, annealed; Niobium foil, 0.025 ±0.015mm (0.001±0.0006in) thick; Niobium powder, -325 mesh; Niobium wire, 1.0mm (0.04in) dia; Niobium foil, 0.25mm (0.01in) thick, annealed; Niobium wire, 0.25mm (0.01in) dia; Niobium foil, 1.0mm (0.04in) thick, annealed; Columbium; Niobium; 铌棒, 6.35mm (0.25in) 直径, 退火; 铌棒, 12.7mm (0.5in) 直径, 硬性; 柱体铌, 6.35mm (0.25in) 直径 x 12.7mm (0.50in) 长, Puratronic®; 铌,等离子标准溶液, Specpure®, Nb 10,000®g/ml; 铌箔, 0.5mm (0.02in) 厚, 退火; 铌线, 0.5mm (0.02in) 直径; 铌,等离子标准溶液, Specpure®, Nb 1000®g/ml; 铌, AAS标准溶液, Specpure®, Nb 1000 μg/ml; 铌箔, 0.127mm (0.005in) 厚; 铌片; 铌箔, 0.25mm (0.01in)厚; 铌柱, 6.35mm (0.25in) 直径 x 12.7mm (0.50in) 长; 铌棒, 19mm (0.75in) 直径, 硬性; 铌柱, 3.175mm (0.125in) 直径 x 3.175mm (0.125in) 长; 铌柱, 3.175mm (0.125in) 直径 x 6.35mm (0.25in) 长; 铌箔, 2.0mm (0.08in) 厚; 铌柱, 6.35mm (0.25in) 直径 x 6.35mm (0.25in) 长; 铌, 等离子标准溶液, Specpure®, Nb 10,000μg/ml; 铌, 等离子标准溶液, Specpure®, Nb 1000μg/ml; 铌箔, 0.05mm (0.002in)厚, 退火; 铌粉, APS 1-5微米; 铌粉, -325目, Puratronic®; 铌箔, 0.3mm (0.01in) 厚, 退火; 铌网, 40目, 0.178mm (0.007in) 直径 线织成; 铌溅射靶, 76.2mm (3.0in) 直径 x 3.18mm (0.125in) 厚; 铌溅射靶, 50.8mm (2.0in) 直径 x 6.35mm (0.250in) 厚; 铌溅射靶, 50.8mm (2.0in) 直径 x 3.18mm (0.125in) 厚; 铌溅射靶, 76.2mm (3.0in) 直径 x 6.35mm (0.250in) 厚; 铌粉, -60 目; 铌箔, 0.127mm (0.005in) 厚, 退火; 铌箔, 0.025 +/-0.015mm (0.001+/-0.0006in)厚; 铌粉, -325 目; 铌丝, 1.0mm (0.04in) 直径; 铌箔, 0.25mm (0.01in)厚, 退火; 铌丝, 0.25mm (0.01in) 直径; 铌箔, 1.0mm (0.04in) 厚, annealed; 钶; 铌

Database IDs

• CAS Number: 7440-03-1
• EC Number: 231-113-5
• MDL Number: MFCD00011126
• PubChem SID: 24895990; 24855925; 24895988; 24895991; 24895993; 24855924; 24856075; 24895989; 24855928; 24856276; 24855922; 24895992; 24881430; 162096362; 24855926; 24855923
• PubChem CID: 23936

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 0.0
• LogD (pH = 7.4): 0.0
• Log P: 0.0
• Molar Refractivity: 0.0 cm^3
• Polarizability: 4.5568447 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: ≈0.22g/slug; ≈0.42g/m; ≈0.43g/slug; ≈0.68g/25x25mm; ≈1.34g/25x25mm; ≈1.68g/m; ≈1.7g/slug; ≈10.71g/50x100mm; ≈10.9g/cm, Temper: as drawn; ≈12.9g/50x100mm; ≈2.7g/cm, Temper: soft; ≈21.4g/50x100mm; ≈24.3g/cm, Temper: as drawn; ≈3.4g/slug; ≈4.29g/100x100mm; ≈42.9g/50x100mm; ≈5.44g/5x10cm, Temper: soft; ≈6.7g/m; ≈8.6g/20x20cm; ≈86g/50x100mm; APS 10 micron; foil; Liquid; nanopowder; powder; rod; wire; Wire Cloth
• Melting Point: 2468 °C(lit.)
• Boiling Point: 4742 °C(lit.)
• Density: 8.57 g/mL at 25 °C(lit.)
• Resistivity: 13-16 μΩ-cm, 20°C

Safety Information

• RTECS: QT9900000
• European Hazard Symbols: Flammable (F); Toxic (T); X
• UN Number: 1383; UN1790; UN3089
• German water hazard class: -; nwg
• Hazard Class: 4.1; 4.2; 8
• Packing Group: 1; II
• Risk Statements: 11; 17; 20/21/22-36/37/38; 23/24/25-34
• Safety Statements: 17; 33; 6; 7/9-26-36/37-45
• TSCA Listed: 是
• GHS Pictograms: GHS02; GHS05; GHS06
• GHS Signal Word: Danger
• GHS Hazard statements: H228; H250; H300-H310-H330-H314-H318; H301-H311-H332-H315-H319-H335
• GHS Precautionary statements: P210-P241-P280-P240-P370+P378A; P222-P231-P422; P260-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P361-P405-P501A; P261-P301+P310-P305+P351+P338-P361-P405-P501A
• Personal Protective Equipment: Eyeshields, Faceshields, Gloves, type N95 (US), type P1 (EN143) respirator filter; Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RID/ADR: UN 1383 4.2/PG 1

Product Information

• Purity: ≥99% trace metals basis; ≥99.9%; ≥99.9% trace metals basis; 99.5%; 99.8%; 99.8% (metals basis excluding Ta), Ta <1%; 99.8% (metals basis); 99.8% trace metals basis; 99.95% (metals basis excluding Ta); 99.95% (metals basis including Ta); 99.96% (metals basis excluding Ta); 99.97% (metals basis excluding Ta), Ta ≤0.06%; 99.99% (metals basis excluding Ta); 99.99% (metals basis excluding Ta), Ta <500ppm; 99.99% (metals basis excluding Ta), Ta 300ppm
• Grade: BCR® certified Reference Material
• Particle Size: ~100 nm; <250 μm; <45 μm; -40 mesh
• Diameter: 12.7 mm; 6.35 mm
• Thickness: 0.025 mm; 0.127 mm; 0.25 mm
• Wire diameter: 1.0 mm
• Empirical Formula (Hill Notation): Nb

DETAILS

MP Biomedicals - 05212829

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 262749

Packaging
25 g in poly bottle

Sigma Aldrich - 262757

Quantity
25 g = 9.3 cm

Sigma Aldrich - 268488

Packaging
24 g in poly tube
4.8 g in rigid mailer
Quantity
4.8 g = 150 × 150 mm

Sigma Aldrich - 262722

Packaging
25, 100 g in poly bottle

Sigma Aldrich - 262765

Packaging
6.7 g in rigid mailer
Quantity
6.7 g = 1 m; 67 g = 10 m

Sigma Aldrich - 262781

Packaging
32.1 g in rigid mailer
Quantity
10.7 g = 50 × 100 mm; 32.1 g = 100 × 150 mm

Sigma Aldrich - IRMM526A

Legal Information
BCR is a registered trademark of European Commission

Sigma Aldrich - 593257

Physical form
Macro-agglomeration of ultra-fine particles, with size about 100 nanometers.

Sigma Aldrich - 265489

Packaging
10 g in poly bottle
Quantity
10 g = 1 cm

Sigma Aldrich - IRMM526B

Legal Information
BCR is a registered trademark of European Commission

Sigma Aldrich - 262803

Quantity
5.4 g = 50 × 100 mm; 24.3 g = 150 × 150 mm

Sigma Aldrich - IRMM525A

Legal Information
BCR is a registered trademark of European Commission

Sigma Aldrich - IRMM525B

Legal Information
BCR is a registered trademark of European Commission

Sigma Aldrich - IRMM526C

Legal Information
BCR is a registered trademark of European Commission

Sigma Aldrich - IRMM525C

Legal Information
BCR is a registered trademark of European Commission