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Barium

Catalog No. 474711 Name Sigma Aldrich
CAS Number 7440-39-3 Website http://www.sigmaaldrich.com
M. F. Ba Telephone 1-800-521-8956
M. W. 137.327 Fax
Purity 99.99% trace metals basis Email
Storage Chembase ID: 109659

SYNONYMS

Title
IUPAC name
barium
IUPAC Traditional name
barium

DATABASE IDS

EC Number 231-149-1
MDL Number MFCD00134031
CAS Number 7440-39-3
PubChem SID 24871038

PROPERTIES

Empirical Formula (Hill Notation) Ba
Purified By distillation
Purity 99.99% trace metals basis
Apperance dendritic pieces
Boiling Point 1640 °C(lit.)
Density 3.6 g/mL at 25 °C(lit.)
Melting Point 725 °C(lit.)
Resistivity 50.0 μΩ-cm, 20°C
GHS Pictograms GHS02
GHS Pictograms GHS07
GHS Signal Word Danger
GHS Hazard statements H261-H315-H319-H335
European Hazard Symbols Flammable Flammable (F)
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P231 + P232-P261-P305 + P351 + P338-P422
RID/ADR UN 1400 4.3/PG 2
Risk Statements 14/15-36/37/38
RTECS CQ8370000
Safety Statements 16-26-36/37-43
Hazard Class 4.3
UN Number 1400
Packing Group 2
German water hazard class 3

DETAILS

Description (English)
Application
Catalyst for the formation of graphitic nanofilaments.1
Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Packaging
5, 25 g in ampule
Description (简体中文)
Application
形成石墨纳米丝的催化剂。1
用于合成纯净的 Ba21M2O5HX(M = Ge、SI、Ga、In、Tl)低氧化物 Zintl 相的重要物质。···3
包装
5, 25 g in ampule

REFERENCES