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Sigma-Aldrich

Barium

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

Synonym(s):

Barium element

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About This Item

Empirical Formula (Hill Notation):
Ba
CAS Number:
7440-39-3
Molecular Weight:
137.33
EC Number:
231-149-1
MDL number:
MFCD00134031
UNSPSC Code:
12141505
PubChem Substance ID:
329765057
NACRES:
NA.23

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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Application

Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3

Signal Word

Danger

Hazard Statements

H228,H260,H301,H314

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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