Merck
CN
All Photos(2)

Documents

Safety Information

523437

Sigma-Aldrich

Barium sulfide

99.9%

Sign Into View Organizational & Contract Pricing
All Photos(2)
Linear Formula:
BaS
CAS Number:
21109-95-5
Molecular Weight:
169.39
EC Number:
244-214-4
MDL number:
MFCD00014192
PubChem Substance ID:
24874335
NACRES:
NA.23

Quality Level

100

Assay

99.9%

reaction suitability

reagent type: catalyst
core: barium

density

4.25 g/mL at 15 °C (lit.)

SMILES string

S=[Ba]

InChI

1S/Ba.S

InChI key

OTMNKCRTGBGNPN-UHFFFAOYSA-N

Related Categories

General description

Barium sulfide (BaS) is an inorganic compound that is used as a precursor in the production of barium compounds. These compounds can be used in a variety of applications, such as ceramics, luminous paints, additives, and flame retardants.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Aquatic Acute 1 - Met. Corr. 1 - Skin Corr. 1A

Supplementary Hazards

EUH031

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

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

Dysphagia in a 27-year-old man.
A Seicean et al.
Gut, 58(10), 1353-1353 (2009-09-15)
Bo Sun et al.
Nature communications, 11(1), 6039-6039 (2020-11-29)
Crystalline solids exhibiting glass-like thermal conductivity have attracted substantial attention both for fundamental interest and applications such as thermoelectrics. In most crystals, the competition of phonon scattering by anharmonic interactions and crystalline imperfections leads to a non-monotonic trend of thermal
J C Downs et al.
The American journal of forensic medicine and pathology, 16(1), 56-61 (1995-03-01)
Physicians, familiar with the common usage of barium medicinally as the contrast agent barium sulfate, may consider it an innocuous or at most a minimally harmful compound. The barium cation is extremely toxic and produces characteristic gastrointestinal symptoms, periorbital and
Barium sulfide under pressure: discovery of metastable polymorphs and investigation of electronic properties on ab initio level
Zagorac D, et al.
Inorganic Chemistry, 56(17), 10644-10654 (2017)
Tong Deng et al.
Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA, 25(5), 440-448 (2007-11-08)
Clean processing of copper converter slag to reclaim cobalt and copper could be a challenge. An innovative and environmentally sound approach for recovering valuable metals from such a slag has been developed in the present study. Curing the slag with
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