tantalum

• ChemBase编号: 111341
• 分子式: Ta
• 平均质量: 180.9479
• 单一同位素质量: 180.947995
• SMILES: [Ta]
• Canonical SMILES: [Ta]
• InChI: InChI=1S/Ta
• InChIKey: GUVRBAGPIYLISA-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: tantalum
• IUPAC传统名: tantalum
• 别名: 钽, AAS标准溶液, Specpure®, Ta 1000μg/ml; 钽球, 1mm (0.04in) 直径 x 2mm (0.08in); 钽箔, 0.7mm (0.03in) 厚; 钽箔, 0.127mm (0.005in) 厚, 硬质; 钽丝, 0.127mm (0.005in) 直径; 钽箔, 0.025mm (0.001in)厚; 钽粉, -325 目, 99.9% (metals basis); 钽柱体, 6.35mm (0.25in) 直径 x 12.7mm (0.50in) 长; 钽,等离子标准溶液, Specpure®, Ta 1000®g/ml; 钽片, 6.35mm (0.25in)厚; 钽箔, 0.0127mm (0.0005in)厚; 钽,等离子标准溶液, Specpure®, Ta 10,000®g/ml; 钽网, 30目, 0.076mm (0.003in) 直径 线织成; 钽溅射靶, 50.8mm (2.0in) 直径 x 6.35mm (0.250in) 厚; 钽溅射靶, 76.2mm (3.0in) 直径 x 6.35mm (0.250in) 厚; 钽溅射靶, 76.2mm (3.0in) 直径 x 3.18mm (0.125in) 厚; 钽箔, 0.127mm (0.005in) 厚, 退火; 钽丝, 0.5mm (0.02in) 直径, 退火; 钽丝, 0.25mm (0.01in) 直径, 退火; 钽粉, -22 目, Puratronic®; 钽棒, 4.5mm (0.18in) 直径, Puratronic®; 钽线, 0.7mm (0.03in) 直径; 钽柱, 3.175mm (0.125in) 直径 x 3.175mm (0.125in) 长; 钽柱, 3.175mm (0.125in) 直径 x 6.35mm (0.25in) 长; 钽线, 1.5mm (0.06in) 直径,退火; 钽棒, 4.75mm (0.19in) 直径; 钽棒, 2.8mm (0.11in) 直径; 钽箔, 1.5mm (0.06in) 厚; 钽粉, APS≈2微米; 钽柱, 6.35mm (0.25in) 直径 x 6.35mm (0.25in) 长; 钽线, 0.05mm (0.002in) 直径, 退火; 钽溅射靶, 50.8mm (2.0in) 直径 x 3.18mm (0.125in) 厚; 钽网, 50目, 0.076mm (0.003in) 直径 线织成; 钽线, 0.025mm (0.001in) 直径,硬; 钽薄箔, 0.0025mm (0.0001in) 厚; 钽薄箔, 0.005mm (0.0002in) 厚; 钽粉, -100 目, Puratronic®; 钽丝, 2.0mm (0.08in) 直径,退火; 钽丝, 1.0mm (0.04in) 直径, 退火; 钽箔, 1.0mm (0.04in) 厚; 钽箔, 2.0mm (0.08in) 厚; 钽粉, -325 目, Puratronic®; 钽棒, 6.4mm (0.25in) 直径; 钽棒, 12.7mm (0.5in) 直径, 硬质; 钽箔, 0.025mm (0.001in) 厚, 硬质; 钽箔, 0.25mm (0.01in) 厚, 退火; 钽箔, 0.5mm (0.02in) 厚, 退火; 钽; TANTALUM; Tantalum, AAS standard solution, Specpure®, Ta 1000 g/ml; Tantalum pellet, 1mm (0.04in) dia x 2mm (0.08in); Tantalum foil, 0.7mm (0.03in) thick; Tantalum foil, 0.127mm (0.005in) thick, hard; Tantalum wire, 0.127mm (0.005in) dia; Tantalum foil, 0.025mm (0.001in) thick; Tantalum powder, -325 mesh, 99.9% (metals basis); Tantalum slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length; Tantalum, plasma standard solution, Specpure®, Ta 1000 g/ml; Tantalum plate, 6.35mm (0.25in) thick; Tantalum Thinfoil, 0.0127mm (0.0005in) thick; Tantalum, plasma standard solution, Specpure®, Ta 10,000 g/ml; Tantalum gauze, 30 mesh woven from 0.076mm (0.003in) dia wire; Tantalum sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick; Tantalum sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick; Tantalum sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick; Tantalum foil, 0.127mm (0.005in) thick, annealed; Tantalum wire, 0.5mm (0.02in) dia, annealed; Tantalum wire, 0.25mm (0.01in) dia, annealed; Tantalum powder, -22 mesh, Puratronic®; Tantalum rod, 4.5mm (0.18in) dia, Puratronic®; Tantalum wire, 0.7mm (0.03in) dia; Tantalum slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length; Tantalum slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length; Tantalum wire, 1.5mm (0.06in) dia, annealed; Tantalum rod, 4.75mm (0.19in) dia; Tantalum rod, 2.8mm (0.11in) dia; Tantalum foil, 1.5mm (0.06in) thick; Tantalum powder, APS ≈2 micron; Tantalum slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length; Tantalum wire, 0.05mm (0.002in) dia, annealed; Tantalum sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick; Tantalum gauze, 50 mesh woven from 0.076mm (0.003in) dia wire; Tantalum wire, 0.025mm (0.001in) dia, hard; Tantalum Thinfoil, 0.0025mm (0.0001in) thick; Tantalum Thinfoil, 0.005mm (0.0002in) thick; Tantalum powder, -100 mesh, Puratronic®; Tantalum wire, 2.0mm (0.08in) dia, annealed; Tantalum wire, 1.0mm (0.04in) dia, annealed; Tantalum foil, 1.0mm (0.04in) thick; Tantalum foil, 2.0mm (0.08in) thick; Tantalum powder, -325 mesh, Puratronic®; Tantalum rod, 6.4mm (0.25in) dia; Tantalum rod, 12.7mm (0.5in) dia, hard; Tantalum foil, 0.025mm (0.001in) thick, hard; Tantalum foil, 0.25mm (0.01in) thick, annealed; Tantalum foil, 0.5mm (0.02in) thick, annealed; Tantalum

登记号

• CAS号: 7440-25-7
• EC号: 231-135-5
• MDL号: MFCD00011252
• PubChem SID: 24855931; 24855929; 24855932; 24861899; 24855935; 24855933; 24878801; 24855934; 24881447; 162096604; 24861879; 24861898; 24861880; 24855930
• PubChem CID: 23956

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: 7.388286 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: ≈0.0082g/m, Temper: as drawn; ≈0.026g/25x25mm, not certified pinhole free; ≈0.033g/m, Temper: soft; ≈0.052/25x25mm, not certified pinhole free; ≈0.21g/m; ≈0.26g/25x25mm; ≈0.42g/slug; ≈0.81g/m, Temper: soft,; ≈0.83g/slug; ≈10.4g/25x25mm; ≈10.4g/50x50mm, Temper: soft; ≈102g/m; ≈13.0g/m, Temper: soft; ≈14.5g/25x50mm; ≈15.6g/25x25mm; ≈15.8g/75x100mm, Temper: as rolled; ≈2.1g/100x100mm, certified pinhole free; ≈2.64g/cm; ≈20.4g/cm, Temper: as drawn; ≈20.8g/25x25mm; ≈29.3g/m, Temper: soft; ≈3.26g/cm; ≈3.26g/m Temper: soft; ≈3.4g/slug; ≈5.19g/25x25mm; ≈5.34g/cm; ≈5.3g/50x50mm, Temper: soft; ≈52.1g/m, Temper: soft; ≈6.3g/100x150mm, Temper: as rolled; ≈6.4g/m; ≈6.8g/slug; ≈65.9g/25x25mm; foil; Liquid; nanopowder; powder; rod; wire; Wire Cloth
• 熔点: 2996 °C(lit.)
• 沸点: 5425 °C(lit.)
• 自燃点: 572 °F
• 密度: 16.69 g/cm3(lit.)
• 蒸汽压: <0.01 mmHg ( 537.2 °C)
• 电阻率: 13.5 μΩ-cm, 20°C

安全信息

• RTECS编号: WW5505000
• 欧盟危险性物质标志: 易燃性(Flammable) (F); 有毒(Toxic) (T); 刺激性(Irritant) (Xi)
• 联合国危险货物编号: 3089; UN1790; UN3089; UN3264
• 德国WGK号: -; nwg
• 联合国危险货物等级: 4.1; 8
• 联合国危险货物包装类别(PG): 2; II; III
• 危险公开号: 11-36/37/38; 23/24/25-34; 23/24/25-34-37
• 安全公开号: 26-36/37/39; 26-37-60; 4-9-20-23-26-27-36/37/39-39-45-60; 7/9-26-36/37-45
• TSCA收录: U; 否; 是
• GHS危险品标识: GHS02; GHS05; GHS06; GHS07
• GHS警示词: Warning
• GHS危险声明: H228-H315-H319-H335; H300-H310-H330-H314-H318; H301-H311-H315-H318-H333
• GHS警示性声明: P210-P241-P305+P351+P338-P302+P352-P405-P501A; P210-P261-P305 + P351 + P338; P260-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P361-P405-P501A; P280-P301+P310-P305+P351+P338-P361-P405-P501A
• 个人保护装置: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RID/ADR: UN 3089 4.1/PG 2

产品相关信息

• 纯度: ≥99% trace metals basis; ≥99.9%; ≥99.9% trace metals basis; 99.6%; 99.8%; 99.9%; 99.9% (metals basis); 99.9% trace metals basis; 99.9+% (metals basis); 99.95% (metals basis excluding Nb); 99.95% (metals basis); 99.96% (metals basis), Nb nominal 50ppm; 99.97% (metals basis), Nb 50ppm; 99.98% (metals basis); 99.98% (metals basis), Nb 50ppm; 99.99% trace metals basis; 99.997% (metals basis)
• 颗粒大小: <25 nm (BET); -325 mesh; -40-+200 mesh; 60-100 mesh
• 直径: 0.127 mm; 0.5 mm; 1.0 mm; 2.0 mm; 3.2 mm; 6.35 mm
• 厚度: 0.025 mm; 0.05 mm; 0.25 mm; 0.5 mm; 1.0 mm
• Empirical Formula (Hill Notation): Ta

详细说明

Sigma Aldrich - 356999

Quantity
10g = 20cm

Sigma Aldrich - 262862

包装
13 g in rigid mailer
Quantity
13g = 1m；65g = 5m

Sigma Aldrich - 593486

General description
超细颗粒的大量附聚体。
包装
5 g in glass bottle

Sigma Aldrich - 357251

包装
20.8 g in rigid mailer
Quantity
20.8g = 50×50mm；83.2g = 100×100mm

Sigma Aldrich - 262838

Application
用于合成富含金属的层状碲化物 TaNi2Te2 和 TaCo2Te2，这些碲化物具有光伏应用、表面扫描研究所需的理想特性，并且可以提供清洁的原子级平面。1新型边缘桥八面体 M6 簇合物（如 CsErTa6Cl18）的原料，可对其进行电子和稳定性研究。2

Sigma Aldrich - 356980

包装
6.5 g in poly tube
Quantity
6.5g = 5cm；32.5g = 25cm

Sigma Aldrich - 692824

包装
5 g in poly bottle

Sigma Aldrich - 262900

Quantity
200mg = 1m

Sigma Aldrich - 262897

包装
10.4, 41.6 g in rigid mailer

Sigma Aldrich - 262919

包装
9, 31 g in poly tube
Quantity
9g = 150×150mm；31g = 150×500mm

Sigma Aldrich - 262854

包装
25, 125 g in poly tube
Quantity
25g = 5cm；125g = 25cm

Sigma Aldrich - 262846

包装
25, 100 g in poly bottle
Application
用于合成富含金属的层状碲化物 TaNi2Te2 和 TaCo2Te2，这些碲化物具有光伏应用、表面扫描研究所需的理想特性，并且可以提供清洁的原子级平面。1新型边缘桥八面体 M6 簇合物（如 CsErTa6Cl18 ）的原料，可对其进行电子和稳定性研究。2

Sigma Aldrich - 357243

包装
8.4, 18.9 g in glass bottle
Quantity
2.1g = 50×50mm；8.4g = 100×100mm；18.9g = 150×150mm

Sigma Aldrich - 545007

包装
10 g in glass bottle

Sigma Aldrich - 357006

包装
3.3 g in rigid mailer
Quantity
3.3g = 1m；33g = 10m

Sigma Aldrich - 262889

包装
10.4 g in rigid mailer
Quantity
10.4g = 25×25mm；41.6g = 50×50mm