MilliporeSigma
All Photos(1)

735787

Sigma-Aldrich

Barium

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

Synonym(s):
Barium element
Empirical Formula (Hill Notation):
Ba
CAS Number:
Molecular Weight:
137.33
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

1 of 4

This Item
403334237094474711
Barium beads, 0.5-2.0 mm particle size, 99% trace metals basis

Sigma-Aldrich

735787

Barium

Barium pieces, 1 cm, 99% trace metals basis

Sigma-Aldrich

403334

Barium

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

Sigma-Aldrich

237094

Barium

Barium dendritic pieces, purified by distillation, 99.99% trace metals basis

Sigma-Aldrich

474711

Barium

assay

99% trace metals basis

assay

99% trace metals basis

assay

≥99% trace metals basis

assay

99.99% trace metals basis

form

beads

form

pieces

form

rod

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 Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3

Signal Word

Danger

Hazard Statements

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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

(enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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