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Safety Information

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:
Molecular Weight:
233.39
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.24

grade

certified reference material

Quality Level

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

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


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

NISTRM8557:


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