Potassium dichromate
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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) |
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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.