Niobium

• Catalog No.: 593257
• CAS Number: 7440-03-1
• M. F.: Nb
• M. W.: 92.90638
• Purity: ≥99% trace metals basis

SYNONYMS

• Title: 铌
• IUPAC name: niobium
• IUPAC Traditional name: niobium
• Synonyms: Columbium; 钶

DATABASE IDS

• PubChem SID: 24881430
• MDL Number: MFCD00011126
• CAS Number: 7440-03-1
• EC Number: 231-113-5

PROPERTIES

• Empirical Formula (Hill Notation): Nb
• Particle Size: ~100 nm
• Purity: ≥99% trace metals basis
• Apperance: nanopowder
• Boiling Point: 4742 °C(lit.)
• Density: 8.57 g/mL at 25 °C(lit.)
• Melting Point: 2468 °C(lit.)
• Resistivity: 13-16 μΩ-cm, 20°C
• GHS Signal Word: Danger
• GHS Hazard statements: H250
• European Hazard Symbols: Flammable (F)
• Personal Protective Equipment: Eyeshields, Faceshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• GHS Precautionary statements: P222-P231-P422
• RID/ADR: UN 1383 4.2/PG 1
• Risk Statements: 17
• RTECS: QT9900000
• Safety Statements: 6
• Hazard Class: 4.2
• UN Number: 1383
• Packing Group: 1
• German water hazard class: nwg

DETAILS

Description (English)

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

Description (简体中文)

Physical form
超细颗粒的大量附聚体，直径约为 100 纳米。