Pyrogallol CAS 87-66-1 is a polysubstituted aryl compound with a molecular formula of C6H6O3 and a molecular weight of 126.11. White solid, easy to be oxidized, easy to change color in the air. Chinese name pyrogallol, foreign name pyrogallol alias pyrogallol; pyrogallol; pyrogallol; pyrogallol; pyrogallol; pyrogallol chemical formula C6H6O3 molecular weight 126.11 CAS registration number 87-66-1.
Application
1. Used for preparing colloidal solution of metal, coloring of leather, dyeing and etching of fur and hair etc.
2.Mainly used in the production of developer, polymer inhibitor and infrared photography thermosensitizer.
3.Used for the analysis and determination of oxygen, antimony, bismuth, cerium, iron, molybdenum, tantalum and niobium, etc.Used in gas analysis to absorb oxygen;Used for the color reaction of nitrite, molybdenum, niobium, titanium, cerium, bismuth, copper, vanadium, iron, iodate, etc.
4.Metal complexing agent.Determination of bismuth and antimony by gravimetric analysis.A reducing agent of gold, silver,, phosphomolybdic acid and phosphotungstic acid used in gas analysis to absorb oxygen.
Specification
| Appearance |
White powder |
| Assay,% |
≥99.50% |
| Water content |
≤0.50% |
| Melting point |
131-135ºC |
| Solubility |
Soluble in water |
| Residue on ignition |
≤0.05% |
| Chlorides |
≤0.002% |
| Sulfates |
≤0.01% |
| Gallic acid |
Pass the test |
| Flash point |
>230 °F |
Packing
25kg/drum
About us
Hefei TNJ Chemical Industry Co., Ltd., established in 2001, is a key chemical manufacturer and supplier in China.
In 2001, three young chemists from a local large state-owned chemical factory established TNJ Chemical by starting from producing PVP products. By taking advantage of technology innovation, TNJ made fast and steady development in PVP. Meanwhile, in order to further enhance comprehensive competence, TNJ begun to seek for products diversity and invested more chemical lines to meet market demands. Up to 2015, TNJ owns key products of more than 60 which covers four fields: Chemicals, Food, Pharmaceutical and Personal care.
Through over 15 years of development, TNJ has become an international and diversified modern chemical company. About 60% of our products are exported to overseas which turns over about 20 Million US dollars per year. In 2015, TNJ was awarded as the top 10 exporting giants in Anhui province.
TNJ always adheres to harmonious development. Beyond the economic success, TNJ focuses on environmental protection and social development. In TNJ, all aspects strictly comply with environmental protection standard and regulation set by State Environmental Protection Department of China. As a responsible company, TNJ contributes to social development by producing high-quality assured chemicals and creating more and more jobs. TNJ is also committed to charity annually including supporting students from poor families to continue education etc.
We believe in Better Chemicals, Better Future. We are on the way to become a responsible world-class chemical company through innovation and stable development.
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