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Tantalum

Catalog No. 593486 Name Sigma Aldrich
CAS Number 7440-25-7 Website http://www.sigmaaldrich.com
M. F. Ta Telephone 1-800-521-8956
M. W. 180.9479 Fax
Purity ≥99% trace metals basis Email
Storage Chembase ID: 111341

SYNONYMS

Title
IUPAC name
tantalum
IUPAC Traditional name
tantalum

DATABASE IDS

EC Number 231-135-5
PubChem SID 24881447
CAS Number 7440-25-7
MDL Number MFCD00011252

PROPERTIES

Empirical Formula (Hill Notation) Ta
Particle Size <25 nm (BET)
Purity ≥99% trace metals basis
Apperance nanopowder
Auto Ignition Point 572 °F
Boiling Point 5425 °C(lit.)
Density 16.69 g/cm3(lit.)
Melting Point 2996 °C(lit.)
Resistivity 13.5 μΩ-cm, 20°C
Vapor Pressure <0.01 mmHg ( 537.2 °C)
GHS Pictograms GHS02
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H228-H315-H319-H335
European Hazard Symbols Flammable Flammable (F)
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
GHS Precautionary statements P210-P261-P305 + P351 + P338
RID/ADR UN 3089 4.1/PG 2
Risk Statements 11-36/37/38
RTECS WW5505000
Safety Statements 26-36/37/39
Hazard Class 4.1
UN Number 3089
Packing Group 2
German water hazard class nwg

DETAILS

Description (English)
General description
Macro-agglomeration of ultra-fine particles.
Packaging
5 g in glass bottle
Description (简体中文)
General description
超细颗粒的大量附聚体。
包装
5 g in glass bottle

REFERENCES