Sodium Dichromate Supplier in China
- CAS: 10588-01-9
- Molecular Formula: Na2Cr2O7.2H2O
- Molecular Weight: 297.9981
- Highassay Packing: 25kg, 40kg composite plastic woven bag.
Characteristics of Sodium Dichromate
Commonly known as sodium dichromate, the dihydrate is a bright orange-red monoclinic acicular or small granular crystal, which is dehydrated at 84.6 ℃ to form copper brown Anhydrous.
It is easily deliquescent in the air and soluble in water, forming an orange solution.
In acidic media, sodium dichromate is a strong oxidant and toxic. Main hazard 5.1, secondary hazard 6.1.
Highassay Sodium dichromate is characterized by extremely low levels of hexavalent chromium (Cr(VI)).
Highassay Sodium Dichromate Specifications
Execution standard: GB/T 1611-2014
| Item | Superior Grade | First Grade | Second Grade | Qualified Product |
| Na2Cr2O7·2H2O | ≥99.5% | ≥99.00% | ≥98.3% | ≥98.00% |
| Sulfate(%) | ≤0.20% | ≤0.25% | ≤0.30% | ≤0.40% |
| Chloride | ≤0.05% | ≤0.08% | ≤0.10% | ≤0.15% |
| Iron | ≤0.002% | / | ≤0.006% | ≤0.010% |
Notes for Attention
- During storage and transportation, keep the product safe from moisture, heat, and shocks and away from flammable materials.
- Do not store together with food or strong reducing agents.
- Avoid contact with the eyes and skin.
- Personal protective equipment should include self-priming respirators, acid-resistant gloves, protective clothing and boots, and safety goggles for chemicals.
- If there’s a leak, immediately use 10% sulfuric acid and ferrous sulfate for reduction treatment, then neutralize with lime until it’s neutral.
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