1.06664

Sodium tartrate dihydrate

Certified Reference Material for Karl Fischer Titration 15.66% Aquastar^®

• Sinónimos: Sodium tartrate dihydrate, di-Sodium tartrate dihydrate, Tartaric acid sodium salt dihydrate
• Fórmula empírica (notación de Hill): C₄H₄Na₂O₆ · 2H₂O
• Número CAS: 6106-24-7
• Peso molecular: 230.08
• MDL number: MFCD00150035
• UNSPSC Code: 41115601
• EC Index Number: 212-773-3
• NACRES: NA.24

Propiedades

• grade: certified reference material
• Quality Level: 300
• agency: ISO 17025, 17034
• product line: Aquastar^®
• form: solid
• reaction suitability: reaction type: water standard for Karl Fischer titration
• packaging: bottle of 100 g
• technique(s): Karl-Fischer titration: suitable; titration: suitable
• pH: 8 (25 °C, 50 g/L in H₂O)
• solubility: 290 g/L
• density: 1.82 g/cm³
• bulk density: 460 kg/m³
• format: neat
• storage temp.: 15-25°C
• SMILES string: [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C(=O)[O-].O.O
• InChI: 1S/C4H6O6.2Na.2H2O/c5-1(3(7)8)2(6)4(9)10;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;2*1H2/q;2*+1;;/p-2/t1-,2-;;;;/m1..../s1
• InChI key: FGJLAJMGHXGFDE-DGFHWNFOSA-L

Descripción

General description

Sodium tartrate dihydrate is a solid standard with a water content of 15.66% determined by the technique of loss on drying at 150°C. Its preparation from high-purity reagents and analysis is completed in an ISO/IEC 17025 and ISO 17034 accredited calibration laboratory.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

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Application

The sodium tartrate dihydrate CRM is used for the standardization of volumetric Karl Fischer titrants according to European Pharmacopeia (Ph.Eur.) chapter 2.5.12 “Water Semi-Micro Determination”, United States Pharmacopeia <921> “Water Determination”.

Features and Benefits

• Available in a secure plastic bottle
• Subjected to stability and homogeneity studies following ISO 17034 and ISO Guide 35
• High-quality offering accurate and reliable results
• Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory

Packaging

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals.

Other Notes

Replaces: 1.06664.0100

Legal Information

AQUASTAR is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• Clase de almacenamiento: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable