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NISTRM8557

NBS 127 (sulfur and oxygen isotopes in barium sulfate)

NIST® RM 8557

Synonym(s):

Barium sulfate, Baryte

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About This Item

Linear Formula:
BaSO4
CAS Number:
7727-43-7
Molecular Weight:
233.39
MDL number:
MFCD00003455
UNSPSC Code:
12352200
PubChem Substance ID:
329818801
NACRES:
NA.24

grade

certified reference material

Quality Level

100

isotopic purity

 18O
 34S

manufacturer/tradename

NIST®

format

matrix material

SMILES string

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

InChI

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

InChI key

TZCXTZWJZNENPQ-UHFFFAOYSA-L

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General description

SRM 8557_cert

SRM 8557_SDS

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 Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

does not flash

Flash Point(C)

does not flash

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