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Product Name |
Pyrogallol |
|
Applications |
Used as an antioxidant and pharmaceutical intermediate in medicine, a developer, chelating agent, and coatings additive in chemicals, and for gas analysis, metal detection, hair dyes, and plant growth regulators in other fields. |
|
Typical Properties |
Appearance |
White crystal powder |
Assay (acidimetric) |
≥99% |
|
Appearance of solution (water solubility) |
The solution is clear |
|
Loss on drying |
≤0.50% |
|
Melting point |
131-135℃ |
|
Ignited residue |
≤0.10% |
|
Heavy metal |
≤5ppm |
|
Lead |
≤3ppm |
|
As |
≤3ppm |
|
Chlorides |
≤0.001% |
|
Sulphates |
≤0.005% |
Product Name |
Pyrogallol |
|
Applications |
Used as an antioxidant and pharmaceutical intermediate in medicine, a developer, chelating agent, and coatings additive in chemicals, and for gas analysis, metal detection, hair dyes, and plant growth regulators in other fields. |
|
Typical Properties |
Appearance |
White crystal powder |
Assay (acidimetric) |
≥99% |
|
Appearance of solution (water solubility) |
The solution is clear |
|
Loss on drying |
≤0.50% |
|
Melting point |
131-135℃ |
|
Ignited residue |
≤0.10% |
|
Heavy metal |
≤5ppm |
|
Lead |
≤3ppm |
|
As |
≤3ppm |
|
Chlorides |
≤0.001% |
|
Sulphates |
≤0.005% |