735787

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Barium

beads, 0.5-2.0 mm particle size, 99% trace metals basis

All Photos(1)

Synonym(s):

Barium element

Empirical Formula (Hill Notation):

Ba

CAS Number:

7440-39-3

Molecular Weight:

137.33

EC Number:

231-149-1

MDL number:

MFCD00134031

PubChem Substance ID:

329765057

NACRES:

NA.23

Quality Level

100

Assay

99% trace metals basis

form

beads

resistivity

50.0 μΩ-cm, 20°C

particle size

0.5-2.0 mm

bp

1640 °C (lit.)

mp

725 °C (lit.)

density

3.6 g/mL at 25 °C (lit.)

SMILES string

[Ba]

InChI

1S/Ba

InChI key

DSAJWYNOEDNPEQ-UHFFFAOYSA-N

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High-Purity Metals & Alloys

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This Item	474711	403334	441880
Sigma-Aldrich 735787 Barium	Sigma-Aldrich 474711 Barium	Sigma-Aldrich 403334 Barium	Sigma-Aldrich 441880 Barium
assay 99% trace metals basis	assay 99.99% trace metals basis	assay 99% trace metals basis	assay 99.9% trace metals basis
form beads	form dendritic pieces	form pieces	form dendritic pieces
resistivity 50.0 μΩ-cm, 20°C	resistivity 50.0 μΩ-cm, 20°C	resistivity 50.0 μΩ-cm, 20°C	resistivity 50.0 μΩ-cm, 20°C
bp 1640 °C (lit.)	bp 1640 °C (lit.)	bp 1640 °C (lit.)	bp 1640 °C (lit.)
mp 725 °C (lit.)	mp 725 °C (lit.)	mp 725 °C (lit.)	mp 725 °C (lit.)
density 3.6 g/mL at 25 °C (lit.)	density 3.6 g/mL at 25 °C (lit.)	density 3.6 g/mL at 25 °C (lit.)	density 3.6 g/mL at 25 °C (lit.)

Application

Critical for the synthesis of pure Ba₂₁M₂O₅H_X (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.³

Pictograms

GHS02,GHS05,GHS06

Signal Word

Danger

Hazard Statements

H228 - H260 - H301 - H314

Precautionary Statements

P210 - P231 + P232 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1B - Water-react 1

Storage Class Code

4.3 - Hazardous materials, which set free flammable gases upon contact with water

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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