Skip to Content
Merck
CN

NISTRM8557

NBS 127 (sulfur and oxygen isotopes in barium sulfate)

NIST® RM 8557

Synonym(s):

Barium sulfate, Baryte

Sign In to View Organizational & Contract Pricing.

Select a Size


About This Item

Linear Formula:
BaSO4
CAS Number:
Molecular Weight:
233.39
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
12352200
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

InChI

1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

SMILES string

[Ba++].[O-]S([O-])(=O)=O

InChI key

TZCXTZWJZNENPQ-UHFFFAOYSA-L

grade

certified reference material

isotopic purity

 18O,  34S

manufacturer/tradename

NIST®

format

matrix material

General description

Other Notes

Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Analyte : Sulfur (34S), Oxygen (18O)

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

does not flash

flash_point_c

does not flash


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?

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

Visit the Document Library

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