Top Quality Manufactory Pyrogallol Pyrogallic Acid CAS 87-66-1
The organization keeps on the procedure concept “scientific management, high quality and efficiency primacy, purchaser supreme for Top Quality Manufactory Pyrogallol Pyrogallic Acid CAS 87-66-1, Our intention is “blazing new floor, Passing Value”, in the upcoming, we sincerely invite you to definitely improve up with us and make a shiny long term together!
The organization keeps on the procedure concept “scientific management, high quality and efficiency primacy, purchaser supreme for C. I. Oxidation Base 32 and Pyrogallic Acid, We honor ourselves as a company that comprises of a strong team of professionals who are innovative and well experienced in the international trading, business development and product advancement. Moreover, the company stays unique among its competitors due to its superior standard of quality in production, and its efficiency and flexibility in business support.
Pyrogallol CAS 87-66-1 is white odorless crystal. It tastes bitter. Exposure to air and light turns gray. Heat slowly and begin to sublimate. Melting point 133-134 ℃, boiling point 309 ℃, relative density 1.453, refractive index 1.561. Soluble in water, ethanol, ether, slightly soluble in benzene, chloroform, carbon disulfide. When exposed to air, the color of the aqueous solution darkens, while the color of its caustic solution changes faster.
|
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% |
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.
20kgs/bag, 25kgs/drum, 200kg/drum or requirementof clients. Keep it away from light at a temperature below 25℃.
The organization keeps on the procedure concept “scientific management, high quality and efficiency primacy, purchaser supreme for Top Quality Manufactory Pyrogallol Pyrogallic Acid CAS 87-66-1, Our intention is “blazing new floor, Passing Value”, in the upcoming, we sincerely invite you to definitely improve up with us and make a shiny long term together!
Top Quality C. I. Oxidation Base 32 and Pyrogallic Acid, We honor ourselves as a company that comprises of a strong team of professionals who are innovative and well experienced in the international trading, business development and product advancement. Moreover, the company stays unique among its competitors due to its superior standard of quality in production, and its efficiency and flexibility in business support.
