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Merck
CN

735787

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
NACRES:
NA.23
PubChem Substance ID:
329765057
UNSPSC Code:
12141505
EC Number:
231-149-1
MDL number:
MFCD00134031

Key Documents

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Product Name

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

InChI key

DSAJWYNOEDNPEQ-UHFFFAOYSA-N

InChI

1S/Ba

SMILES string

[Ba]

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.)

Quality Level

100

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Application

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

signalword

Danger

Hazard Classifications

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

Storage Class

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

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

Lot/Batch Number
0000487561
0000487561
0000454550
0000454550
0000337656

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Annals of emergency medicine, 20(10), 1138-1142 (1991-10-01)
Barium is a divalent alkaline earth metal used as the insoluble sulfate salt in contrast radiography and soluble acid salts in industry. Barium poisoning results from ingestion or inhalation of the acid salts; the most common poisoning occurs after ingestion
J W Hanrahan et al.
The Journal of general physiology, 87(3), 443-466 (1986-03-01)
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