NIST979

Chromium isotopic standard

NIST^® SRM^® 979

• Synonym(s): Chromium(III) nitrate nonahydrate
• Linear Formula: Cr(NO₃)₃ · 9H₂O
• CAS Number: 7789-02-8
• Molecular Weight: 400.15
• MDL number: MFCD00149659
• UNSPSC Code: 41116107
• PubChem Substance ID: 329818793
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 100
• isotopic purity: ⁵⁰Cr; ⁵²Cr; ⁵³Cr; ⁵⁴Cr
• packaging: pkg of 0.25 g
• manufacturer/tradename: NIST^®
• mp: 60 °C (lit.)
• format: matrix material
• SMILES string: [Cr+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O
• InChI: 1S/Cr.3NO3.9H2O/c;3*2-1(3)4;;;;;;;;;/h;;;;9*1H2/q+3;3*-1;;;;;;;;;
• InChI key: GVHCUJZTWMCYJM-UHFFFAOYSA-N

Description

General description

SRM 979_cert

SRM 979_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.
Chromium-50, Chromium-52, Chromium-53, Chromium-54

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: GHS03,GHS07
• Signal Word: Warning
• Hazard Statements: H272 - H315 - H317 - H319 - H412
• Precautionary Statements: P210 - P220 - P273 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Irrit. 2 - Ox. Sol. 3 - Skin Irrit. 2 - Skin Sens. 1B
• Storage Class Code: 5.1B - Oxidizing hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable