42019

Potassium dichromate

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

• Synonim(y): Potassium bichromate
• Wzór liniowy: K₂Cr₂O₇
• Numer CAS: 7778-50-9
• Masa cząsteczkowa: 294.18
• NACRES: NA.24
• PubChem Substance ID: 329756173
• UNSPSC Code: 41116107
• EC Number: 231-906-6
• MDL number: MFCD00011367

Właściwości

• grade: reference material
• Quality Segment: 100
• assay: >99.5%
• technique(s): titration: suitable
• mp: 398 °C (lit.)
• format: neat
• SMILES string: [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
• InChI: 1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
• InChI key: KMUONIBRACKNSN-UHFFFAOYSA-N

Opis

General description

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.

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This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)

Application

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

Features and Benefits

• 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)

Analysis Note

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.

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Informacja o środkach bezpieczeństwa

• pictograms: GHS03,GHS06,GHS08,GHS05,GHS09
• signalword: Danger
• hcodes: H272,H301,H312,H314,H317,H330,H334,H335,H340,H350,H360FD,H372,H410
• pcodes: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: 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
• target_organs: Cardio-vascular system, Respiratory system
• Klasa składowania: 5.1B - Oxidizing hazardous materials
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges