niobium

• ChemBase编号: 109863
• 分子式: Nb
• 平均质量: 92.90638
• 单一同位素质量: 92.906378
• SMILES: [Nb]
• Canonical SMILES: [Nb]
• InChI: InChI=1S/Nb
• InChIKey: GUCVJGMIXFAOAE-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: niobium
• IUPAC传统名: niobium
• 别名: 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; 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

登记号

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

理论计算性质

• 质子受体: 0
• 质子供体: 0
• LogD (pH = 5.5): 0.0
• LogD (pH = 7.4): 0.0
• Log P: 0.0
• 摩尔折射率: 0.0 cm^3
• 极化性: 4.5568447 Å^3
• 极化表面积: 0.0 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 外观: ≈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
• 熔点: 2468 °C(lit.)
• 沸点: 4742 °C(lit.)
• 密度: 8.57 g/mL at 25 °C(lit.)
• 电阻率: 13-16 μΩ-cm, 20°C

安全信息

• RTECS编号: QT9900000
• 欧盟危险性物质标志: 易燃性(Flammable) (F); 有毒(Toxic) (T); X
• 联合国危险货物编号: 1383; UN1790; UN3089
• 德国WGK号: -; nwg
• 联合国危险货物等级: 4.1; 4.2; 8
• 联合国危险货物包装类别(PG): 1; II
• 危险公开号: 11; 17; 20/21/22-36/37/38; 23/24/25-34
• 安全公开号: 17; 33; 6; 7/9-26-36/37-45
• TSCA收录: 是
• GHS危险品标识: GHS02; GHS05; GHS06
• GHS警示词: Danger
• GHS危险声明: H228; H250; H300-H310-H330-H314-H318; H301-H311-H332-H315-H319-H335
• GHS警示性声明: 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
• 个人保护装置: 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

产品相关信息

• 纯度: ≥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
• 级别: BCR® certified Reference Material
• 颗粒大小: ~100 nm; <250 μm; <45 μm; -40 mesh
• 直径: 12.7 mm; 6.35 mm
• 厚度: 0.025 mm; 0.127 mm; 0.25 mm
• Wire diameter: 1.0 mm
• Empirical Formula (Hill Notation): Nb

详细说明

MP Biomedicals - 05212829

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 262749

包装
25 g in poly bottle

Sigma Aldrich - 262757

Quantity
25g = 9.3cm

Sigma Aldrich - 268488

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

Sigma Aldrich - 262722

包装
25, 100 g in poly bottle

Sigma Aldrich - 262765

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

Sigma Aldrich - 262781

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

Sigma Aldrich - IRMM526A

法律信息
BCR 注册商标 European Commission

Sigma Aldrich - 593257

Physical form
超细颗粒的大量附聚体，直径约为 100 纳米。

Sigma Aldrich - 265489

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

Sigma Aldrich - IRMM526B

法律信息
BCR 注册商标 European Commission

Sigma Aldrich - 262803

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

Sigma Aldrich - IRMM525A

法律信息
BCR 注册商标 European Commission

Sigma Aldrich - IRMM525B

法律信息
BCR 注册商标 European Commission

Sigma Aldrich - IRMM526C

法律信息
BCR 注册商标 European Commission

Sigma Aldrich - IRMM525C

法律信息
BCR 注册商标 European Commission