Chromium standard solution
CAS Number7778-50-9
FormulaK2Cr2O7
Mol. Weight294.18 g/mol
Chromium standard solution
What is Chromium standard solution?
Chromium standard solution is a chemical compound with CAS number 7778-50-9 and molecular formula K2Cr2O7. It is used in various industrial and research applications.
Specifications
Linear Formula
K2Cr2O7
Molecular Weight
294.18 g/mol
Assay/Purity
99.99% trace metals basis
Impurities
<0.005% Phosphorus (P)
<0.1% Insoluble matter
Solubility
H2O: soluble0.1 M at 20 °C, clear, orange
Safety Information
GHS08Signal Word
Danger
Hazard Statements
H340-H350-H412
Precautionary Statements
P201-P273-P308 + P313
Required PPE
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Melting Point
398 °C(lit.)
Anion Traces
sulfate (SO42-): <0.005%
Cation Traces
Al: <0.0005%
Ca: <0.0005%
Cu: <0.0005%
Fe: <0.001%
Mg: <0.0005%
Na: <0.05%
Pb: <0.001%
Zn: ≤0.001%
WGK Germany
3