42019

Potassium dichromate

reference material for titrimetry, certified by BAM, >99.5%

• Sinônimo(s): Potassium bichromate
• Fórmula linear: K₂Cr₂O₇
• Número CAS: 7778-50-9
• Peso molecular: 294.18
• Número CE: 231-906-6
• Número MDL: MFCD00011367
• Código UNSPSC: 41116107
• ID de substância PubChem: 329756173
• NACRES: NA.24

Propriedades

• grau: reference material
• Nível de qualidade: 100
• Ensaio: >99.5%
• técnica(s): titration: suitable
• pf: 398 °C (lit.)
• Formato: neat
• cadeia de caracteres SMILES: [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
• InChI: 1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
• chave InChI: KMUONIBRACKNSN-UHFFFAOYSA-N

Descrição

Descrição geral

Potassium dichromate is an oxidimetric standard produced under stringent conditions and measured with the highest possible precision. Its content determination and homogeneity assessment are performed using volumetric redox titration as the primary analysis method.

Aplicação

It finds its use as a reference material for the standardization of volumetric solutions in redox titrations.

Características e benefícios

• Available in a neat format in a secure glass bottle to ensure its stability for the entire shelf life until opened.
• Traceable to NIST SRMs
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

Nota de análise

Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.

Informações de segurança

• Pictogramas: GHS03,GHS06,GHS08,GHS05,GHS09
• Palavra indicadora: Danger
• Frases de perigo: H272,H301,H312,H314,H317,H330,H334,H335,H340,H350,H360FD,H372,H410
• Declarações de precaução: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Classificações de perigo: Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3
• Órgãos-alvo: Cardio-vascular system, Respiratory system
• Código de classe de armazenamento: 5.1B - Oxidizing hazardous materials
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable
• Equipamento de proteção individual: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges