Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

237094

Sigma-Aldrich

Barium

rod, diam. ~2 cm, ≥99% trace metals basis

Sign Into View Organizational & Contract Pricing
All Photos(2)

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:
12352300
PubChem Substance ID:
24854216
NACRES:
NA.22

Assay

≥99% trace metals basis

form

rod

reaction suitability

reagent type: reductant

resistivity

50.0 μΩ-cm, 20°C

diam.

~2 cm

impurities

≤2% 2-ethylhexyl dihydrogenphosphate and tris(2-ethylhexyl) phosphate
0.5% strontium

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activation

Reactant for synthesis of heterobimetallic alkaline earth complexes

Commonly used for medicinal purposes, particularly for visualization of the gastrointestinal tract

Reactant involved in:
  • Interactions with fused quartz
  • Aggregation of alginate-coated iron oxide nanoparticles

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKBX9348V
MKBT9777V
MKBR8686V
MKBN6639V
MKBJ3889V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

N. D. Thang, et al.,
PLoS ONE, 6 (2011)
Patrick L Hayes et al.
The journal of physical chemistry. A, 112(4), 660-668 (2008-01-10)
Inorganic anions and cations are ubiquitous in environmental chemistry. Here, we use second harmonic generation to track the interaction of the environmentally important metal cations barium, strontium, and cadmium and the nitrate anion with fused quartz/water interfaces at pH 7.
Alan S Rosman et al.
The American journal of medicine, 120(3), 203-210 (2007-03-14)
Published studies have reported a wide range of sensitivities and specificities for computed tomographic (CT) colonography for polyp detection, generating controversy regarding its diagnostic accuracy. A meta-analysis of published studies comparing the accuracies of CT colonography and colonoscopy for polyp
Kai Loon Chen et al.
Langmuir : the ACS journal of surfaces and colloids, 23(11), 5920-5928 (2007-05-02)
Early-stage aggregation kinetics studies of alginate-coated hematite nanoparticles in solutions containing alkaline-earth metal cations revealed enhanced aggregation rates in the presence of Ca2+, Sr2+, and Ba2+, but not with Mg2+. Transmission electron microscopy (TEM) imaging of the aggregates provided evidence
D. P. Daniels, et al.,
Dalton Transactions (2011)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service