42019

Potassium dichromate

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

• Synonyme(s) : Potassium bichromate
• Formule linéaire : K₂Cr₂O₇
• Numéro CAS: 7778-50-9
• Poids moléculaire : 294.18
• Numéro CE : 231-906-6
• Numéro MDL: MFCD00011367
• Code UNSPSC : 41116107
• ID de substance PubChem : 329756173
• Nomenclature NACRES : NA.24

Propriétés

• Qualité: reference material
• Niveau de qualité: 100
• Pureté: >99.5%
• Technique(s): titration: suitable
• Pf: 398 °C (lit.)
• Format: neat
• Chaîne SMILES: [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
• InChI: 1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
• Clé InChI: KMUONIBRACKNSN-UHFFFAOYSA-N

Description

Description générale

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.

Application

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

Caractéristiques et avantages

• 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)

Remarque sur l'analyse

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.

Informations sur la sécurité

• Pictogrammes: GHS03,GHS06,GHS08,GHS05,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H272,H301,H312,H314,H317,H330,H334,H335,H340,H350,H360FD,H372,H410
• Conseils de prudence: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Classification des risques: 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
• Organes cibles: Cardio-vascular system, Respiratory system
• Code de la classe de stockage: 5.1B - Oxidizing hazardous materials
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges