Information
Specification category:
Product No. | Product name | specifications |
1.01787.025 | Potassium dichromate | PT100g |
1.01787.045 | Potassium dichromate | AR500g |
1.01787.055 | Potassium dichromate | CP500g |
1.01787.065 | Potassium dichromate | CP25kg |
1.01787.095 | Potassium dichromate | AR25kg |
Characteristic:
Appearance and properties: Orange crystal.
Relative density: 2.69(water=1)(20℃)
Melting point(℃): 398
Concentration/content: Industrial grade: first grade,second grade≥98.0%.
Solubility: Soluble in water,insoluble in ethanol.
Technical indicators:
Item | AR | CP |
Assay(K2Cr2O7) | ≥99.8% | ≥99.5% |
Insoluble matter in water | ≤0.005% | ≤0.01% |
Loss on drying | ≤0.05% | -- |
Chloride(Cl) | ≤0.002% | ≤0.005% |
Sulfate(SO4) | ≤0.01% | ≤0.02% |
Sodium(Na) | ≤0.05% | ≤0.1% |
Calcium(Ca) | ≤0.002% | ≤0.01% |
Iron(Fe) | ≤0.002% | ≤0.005% |
Hazard characteristics:
IATA-DGR UN 3086 TOXIC SOLID,OXIDIZING,N.O.S.(POTASSIUM DICHROMATE),6.1(5.1),Ⅱ