1.02404

Potassium iodate

volumetric standard, secondary reference material for iodometry, traceable to NIST SRM Certipur^®

• Sinônimo(s): Potassium iodate
• Fórmula empírica (Notação de Hill): IKO₃
• Número CAS: 7758-05-6
• Peso molecular: 214.00
• Número MDL: MFCD00011406
• Código UNSPSC: 41116107
• Número do índice EC: 231-831-9
• NACRES: NA.24

Propriedades

• Agency: ISO 17025; reag. Ph. Eur.; reag. USP
• Nível de qualidade: 300
• Formulário: solid
• técnica(s): titration: suitable
• pH: 6 (20 °C, 50 g/L in H₂O)
• pf: 560 °C (decomposes)
• solubilidade: 92 g/L
• densidade: 3.98 g/cm³ at 20 °C
• densidade volumétrica: 2000 kg/m³
• temperatura de armazenamento: 15-25°C
• cadeia de caracteres SMILES: [K+].[I](=O)(=O)[O-]
• InChI: 1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• chave InChI: JLKDVMWYMMLWTI-UHFFFAOYSA-M

Descrição

Descrição geral

Potassium iodate is a volumetric standard manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

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

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Aplicação

It is used as secondary reference material for the standardization of volumetric solutions in iodometric titrations, following USP and Ph. Eur.

Características e benefícios

• Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
• Certified reference material according to ISO 17034
• High-purity material traceable to NIST SRMs
• Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
• In accordance with the chapter reagents of USP and Ph. Eur
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

Embalagem

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

Informações legais

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

Informações de segurança

• Pictogramas: GHS03,GHS07
• Palavra indicadora: Danger
• Frases de perigo: H272 - H302 - H319
• Declarações de precaução: P210 - P220 - P264 - P280 - P301 + P312 - P305 + P351 + P338
• Classificações de perigo: Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2
• Código de classe de armazenamento: 5.1B - Oxidizing hazardous materials
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): does not flash
• Ponto de fulgor (°C): does not flash