NIST975A

Isotopic standard for chlorine

NIST^® SRM^® 975a

• Synonym(s): Sodium chloride, Halite, NaCl
• Linear Formula: NaCl
• CAS Number: 7647-14-5
• Molecular Weight: 58.44
• Beilstein/REAXYS Number: 3534976
• MDL number: MFCD00003477
• UNSPSC Code: 12352302
• PubChem Substance ID: 329818790
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 100
• isotopic purity: ³⁵Cl; ³⁷Cl
• packaging: pkg of 0.25 g
• manufacturer/tradename: NIST^®
• technique(s): mass spectrometry (MS): suitable
• mp: 801 °C (lit.)
• format: neat
• SMILES string: [Na+].[Cl-]
• InChI: 1S/ClH.Na/h1H;/q;+1/p-1
• InChI key: FAPWRFPIFSIZLT-UHFFFAOYSA-M

Description

General description

SRM 975a contains 0.25 g of sodium chloride (NaCl) with a purity of 99.89% by mass. For more information, please refer to the COA and SDS.

SRM 975A_cert

SRM 975A_SDS

Application

The Standard Reference Material (SRM) Isotopic standard for chlorine is intended for use as an isotopic standard.

Features and Benefits

• Accompanied with certified values for the absolute abundance ratio of ³⁵Cl/³⁷Cl and isotopic compositions of ³⁵Cl and ³⁷Cl.
• Maintenance and expiration of SRM certification, instructions for use are provided on NIST certificate.

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.
Chlorine-35 (Cl), Chlorine-37 (Cl)

See certificate for values and more details at nist.gov/SRM.

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

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable