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262919

钽

Name: 钽
Brand: ALDRICH
Price: 247 SGD

foil, thickness 0.025 mm, ≥99.9% trace metals basis

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包装规格	货号	是否有货	价格
225 cm²		请联系客服了解存货情况	$247.00
750 cm²		预计发货时间2026年5月28日发货地SIGMA ALDRICH Pte Ltd	$564.00

关于此项目

经验公式（希尔记法）:

化学文摘社编号:

7440-25-7

分子量:

180.95

NACRES:

NA.23

PubChem Substance ID:

24855935

UNSPSC Code:

12141741

EC Number:

231-135-5

MDL number:

MFCD00011252

$247.00

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属性

vapor pressure

<0.01 mmHg ( 537.2 °C)

Quality Level

100

assay

≥99.9% trace metals basis

form

foil

autoignition temp.

572 °F

reaction suitability

core: tantalum

resistivity

13.5 μΩ-cm, 20°C

thickness

0.025 mm

bp

5425 °C (lit.)

mp

2996 °C (lit.)

density

16.69 g/cm³ (lit.)

SMILES string

[Ta]

InChI

1S/Ta

InChI key

GUVRBAGPIYLISA-UHFFFAOYSA-N

说明

General description

The structure of tantalum is body centered cubic (BCC) metal. It is a refractory metal; stable up to very high temperatures. Tantalum is ductile at room temperature and moderately ductile at cryogenic temperatures.

Preparation Note

9g = 150×150mm；31g = 150×500mm

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此商品	262897	357251	262889
Sigma-Aldrich 262919 Tantalum	Sigma-Aldrich 262897 Tantalum	Sigma-Aldrich 357251 Tantalum	Sigma-Aldrich 262889 Tantalum
form foil	form foil	form foil	form foil
assay ≥99.9% trace metals basis	assay ≥99.9% trace metals basis	assay ≥99.9% trace metals basis	assay ≥99.9% trace metals basis
mp 2996 °C (lit.)	mp 2996 °C (lit.)	mp 2996 °C (lit.)	mp 2996 °C (lit.)
resistivity 13.5 μΩ-cm, 20°C	resistivity 13.5 μΩ-cm, 20°C	resistivity 13.5 μΩ-cm, 20°C	resistivity 13.5 μΩ-cm, 20°C
bp 5425 °C (lit.)	bp 5425 °C (lit.)	bp 5425 °C (lit.)	bp 5425 °C (lit.)
density 16.69 g/cm³ (lit.)	density 16.69 g/cm³ (lit.)	density 16.69 g/cm³ (lit.)	density 16.69 g/cm³ (lit.)

存储类别

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

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全球贸易项目编号

货号	GTIN
262919-225CM2	04061833595992
262919-750CM2	04061833596005

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