| Category : |
Inorganic chemicals/Inorganic salts |
 |
| CAS NO : |
7778-50-9 |
| EC NO : |
231-906-6 |
| MF : |
Cr2K2O7 |
| MW : |
294.1846 |
| Specification : |
Purity: 99.8% |
| Packing : |
25kg, 500kg, 1000kg bag seaworthy |
| Product description : |
DESCRIPTION
Other name: Chromium potassium oxide (K2Cr2O7); Dichromic acid dipotassium salt; Dipotassium bichromate。
Appearance: Red-orange crystalline solid
Molecular formula: K2Cr2O7
Molecular weight: 294.18
CAS No.: 7778-50-9
EINECS No.: 231-906-6
UN No.: 3288
SPECIFICATION
Potassium dichromate(HG/T2324-2005)
Items Specification
Appearance Red-orange crystalline solid
Content(K2Cr2O7)% 99.8min
Sulpahte(SO42-)% 0.01max
chloride(Cl-)% 0.02max
Na% 0.3max
APPLICATION
It is mainly used for making chromium trioxide, chrome yellow pigment, steel passivation, welding electrode, matches, used as oxidant, chromium potassium alum, and used in the manufacture of chemical reagents, etc.
PACKAGE
40kg/bag, plastic bag inside and knitting bag outside.
STORAGE
1. Do not store near foodstuffs or reductants.
2. Do not mix with inflammable substances.
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| Uses : |
It is mainly used for making chromium trioxide, chrome yellow pigment, steel passivation, welding electrode, matches, used as oxidant, chromium potassium alum, and used in the manufacture of chemical reagents, etc. |
| Synonyms : |
Potassium dichromate standard solution;Potassium bichromate;Red potassium chromate;dipotassium oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium; |
| Molecular Structure : |
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