Chromotropic acid disodium salt dihydrate
ACS
- Product Code: 112966
Alias:
Related CAS: 3888-44-6; Sodium chromotropic acid; Disodium salt of chromotropic acid, sodium 1,8-dihydroxynaphthalene-3,6-disulfonate, disodium chromotropic acid
CAS:
5808-22-0
| Molecular Weight: | 400.29 g./mol | Molecular Formula: | C₁₀H₆Na₂O₈S₂₂H₂O |
|---|---|---|---|
| EC Number: | 204-972-9 | MDL Number: | MFCD00150612 |
| Melting Point: | >300 °C(lit.) | Boiling Point: | |
| Density: | Storage Condition: | room temperature |
Product Description:
Used as a reagent in analytical chemistry for the detection and determination of formaldehyde, it forms a colored complex that can be measured spectrophotometrically. It is also employed in the analysis of nitrites and sulfites, where it acts as a chromogenic agent. In environmental testing, it helps in monitoring air quality by detecting formaldehyde emissions. Additionally, it serves as a dye intermediate in the textile industry for producing specific colorants. Its stability and reactivity make it valuable in various laboratory applications for qualitative and quantitative analysis.
Product Specification:
| Test | Specification |
|---|---|
| Lead (Pb) | 0-2 |
| Iron (Fe) | 0-3 |
| Phosphate (PO4) | 0-0.001 |
| Sulfate (SO4) | 0-0.002 |
| Clarity Of Solution | Clarify |
| Sensitivity To Formaldehyde | Pass |
| Sensitivity To Nitrate | Pass |
Sizes / Availability / Pricing:
| Size (g) | Availability | Price | Quantity |
|---|---|---|---|
| 5.000 | 10-20 days | $20.70 |
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| 25.000 | 10-20 days | $55.21 |
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| 100.000 | 10-20 days | $209.42 |
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| 500.000 | 10-20 days | $858.09 |
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Chromotropic acid disodium salt dihydrate
Used as a reagent in analytical chemistry for the detection and determination of formaldehyde, it forms a colored complex that can be measured spectrophotometrically. It is also employed in the analysis of nitrites and sulfites, where it acts as a chromogenic agent. In environmental testing, it helps in monitoring air quality by detecting formaldehyde emissions. Additionally, it serves as a dye intermediate in the textile industry for producing specific colorants. Its stability and reactivity make it valuable in various laboratory applications for qualitative and quantitative analysis.
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| Stable in pH range | - |
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