Chromium potassium sulfate dodecahydrate
99.9% metals basis
- Product Code: 161397
Alias:
Potassium chromium sulfate, chromium alum, chromium alum, potassium chromium alum
CAS:
7788-99-0
| Molecular Weight: | 499.4 g./mol | Molecular Formula: | CrKO₈S₂·₁₂H₂O |
|---|---|---|---|
| EC Number: | 233-401-6 | MDL Number: | MFCD00149917 |
| Melting Point: | 89 °C(lit.) | Boiling Point: | |
| Density: | 1.83 | Storage Condition: | Room temperature |
Product Description:
Used in textile dyeing as a mordant to fix dyes on fabrics, especially wool. Helps improve color fastness and durability. Also applied in leather tanning to enhance softness and resistance to bacterial degradation. Historically used in photography as a sensitizer in certain printing processes. Occasionally used in educational labs for crystal growing experiments due to its ability to form well-defined, deep purple crystals.
Product Specification:
| Test | Specification |
|---|---|
| Purity (%) | 99.9-100 |
| TOTAL METALLIC IMPURITIES | 0-200 |
| CD BY COMPLEXIOMETRIC EDTA | 48-50.5 |
| Purity (Based on Trace Metal Analysis) | 99.9-100 |
| Water by Karl Fischer | 19-20 |
| APPEARANCE | Violet Red To Dark Purple Crystalline Powder or Crystals |
| ICP MAJOR ANALYSIS | CONFIRMS CHROMIUM COMPONENT |
| X-RAY DIFFRACTION | Conforms to Structure |
Sizes / Availability / Pricing:
| Size | Availability | Price | Quantity |
|---|---|---|---|
| 25.000 G | 10-20 days | ฿450.00 |
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| 100.000 G | 10-20 days | ฿1,150.00 |
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| 500.000 G | 10-20 days | ฿3,560.00 |
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| 10000.000 G | 10-20 days | ฿46,600.00 |
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| 2500.000 G | 10-20 days | ฿15,540.00 |
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Chromium potassium sulfate dodecahydrate
Used in textile dyeing as a mordant to fix dyes on fabrics, especially wool. Helps improve color fastness and durability. Also applied in leather tanning to enhance softness and resistance to bacterial degradation. Historically used in photography as a sensitizer in certain printing processes. Occasionally used in educational labs for crystal growing experiments due to its ability to form well-defined, deep purple crystals.
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| Heat Resistance | - |
| Stable in pH range | - |
| Solubility | - |
| Product Types | - |
| INCI | - |
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