NIST8554

IAEA-S-1 (Sulfur Isotopes in Silver Sulfide)

NIST^®SRM^®

• Synonym(s): Silver sulfide
• Empirical Formula (Hill Notation): Ag₂S
• CAS Number: 21548-73-2
• Molecular Weight: 247.80
• MDL number: MFCD00003406
• UNSPSC Code: 41116107

Properties

• isotopic purity: ³⁴S
• form: powder
• packaging: pkg of 0.5 g
• manufacturer/tradename: NIST^®
• mp: 845 °C (lit.)
• density: 7.234 g/mL at 25 °C (lit.)
• storage temp.: 15-25°C
• SMILES string: [Ag]S[Ag]
• InChI: 1S/2Ag.S
• InChI key: OCWNMDUAUUAHSJ-UHFFFAOYSA-N

Description

General description

This Reference Material (RM) is an international measurement standard that defines the Vienna Cañon Diablo Troilite (VCDT) scale for relative differences in sulfur (S) isotope-number ratios.
SRM 8554_cert SRM 8554_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.
Sulfur -34

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

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable