Potassium dichromate 99.5% for analysis
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:7778-50-9
:
Formula:K₂Cr₂O₇
MDL Number:MFCD00011367
:294.18 g/mol
Merck Index:12,07790
Boiling Pt:500 °C (1013 hPa)
Melting Pt:398 °C
Density:2,67 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-906-6
UN:3087
ADR:5.1,II
REACH:01-2119454792-32
:GHS06
:GHS08
:GHS05
:GHS09
:GHS03
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance:Orange Crystalline powder or crystals
- Titration Iodometric:≥99.5 %
- Loss on drying:≤0.05 % (105°C)
- Chloride (Cl):≤10 ppm
- Sulfate (SO4):≤50 ppm
- Calcium (Ca):≤20 ppm
- Copper (Cu):≤10 ppm
- Iron (Fe):≤20 ppm
- Lead (Pb):≤50 ppm
- Sodium (Na):≤200 ppm
Specification Test Results
Frequently Bought Together
Water, HiPerSolv CHROMANORM® for HPLC
Supplier: VWR Chemicals
Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC
Supplier: VWR Chemicals
Methanol ≥99.8%, AnalaR NORMAPUR® Reag. Ph. Eur., ACS analytical reagent
Supplier: VWR Chemicals
Water, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments
Supplier: VWR Chemicals
Acetone ≥99%, TECHNICAL
Supplier: VWR Chemicals
2-Propanol ≥99.7%, AnalaR NORMAPUR® Reag. Ph. Eur., ACS analytical reagent
Supplier: VWR Chemicals
Sodium chloride ≥98%, TECHNICAL
Supplier: VWR Chemicals
Xylene (mixture of isomers) ≥98.5%, AnalaR NORMAPUR® Reag. Ph. Eur., ACS analytical reagent
Supplier: VWR Chemicals
Acetonitrile ≥99.9%, HiPerSolv CHROMANORM®, gradient grade for HPLC
Supplier: VWR Chemicals
Ethanol 96% ≥96% (v/v), TechniSolv®, pure
Supplier: VWR Chemicals
Water, LiChrosolv® for chromatography, for LC-MS, Supelco®
Supplier: Merck
2-Propanol ≥99.9%, HiPerSolv CHROMANORM® for LC-MS
Supplier: VWR Chemicals