What Is Pyrogallol CAS 87-66-1?
Specification
ITEM | STANDARD | RESULT |
Appearance | White Crystalline Powder | Conform |
Loss on Drying | 0.5% Max | 0.15% |
Melting Point | 131-135℃ | 132.8-134.4℃ |
Heavy Metal(PB) | 5.0ppm Max | Conform |
Chlorides | 0.002% Max | Conform |
Sulphate | 0.005% Max | Conform |
Purity | 99.0% Min | 99.55% |
Application
1. Pyrogallol used for preparing metal colloidal solution, coloring leather, dyeing and etching fur, hair, etc; Pyrogallol can also be used as a developer of film, an infrared photographic thermosensitive, a polymerization inhibitor of styrene and polystyrene, an intermediate of medicine and dyes, and an analytical reagent. 2. Pyrogallol is mainly used in the production of developer, polymerization inhibitor and infrared photographic thermosensitive. Pyrogallol is also used as an intermediate of medicine and dyes 3. Pyrogallol used as analytical reagent, reductant and developer 4. Pyrogallol used for analysis and determination of oxygen, antimony, bismuth, cerium, iron, molybdenum, tantalum and niobium; Used to absorb oxygen in gas analysis; Used for color reaction of nitrite, molybdenum, niobium, titanium, cerium, bismuth, copper, vanadium, iron, iodate, etc 5. Metal complexing agent.Gravimetric determination of bismuth and antimony. Reductants of gold, silver, mercury salts, phosphomolybdic acid and phosphotungstic acid, which are used to absorb oxygen in gas analysis.
Package And Storage Of Pyrogallol CAS 87-66-1
20kgs/bag, 25kgs/drum, 200kg/drum or requirementof clients. Keep it away from light at a temperature below 25℃.

Pyrogallol CAS 87-66-1 2
Pyrogallol CAS 87-66-1 1