Gallic Acid (Electronic Grade)
Product name: Gallic acid (Electronic grade)
Chemical name: 3,4,5-Trihydroxybenzoic acid
Structural formula: C7H6O5 / 170.12g/mol
CAS: 149-91-7, 5995-86-8 (monohydrate)
Appearance: Crystal solid
Color: White
Odor: Slight odor of acid
Solubility: 12g/L (Cool water)
Packing: Double PE bag in cardboard drum, net weight 25kg

Applications
Used in semiconductor industry
Specifications
Gallic Acid (Electronic Grade) |
|
Item |
Specifications |
Appearance |
Light white powder |
Purity |
≥99.0% |
Loss on drying |
≤10% |
Residue on ignition |
≤0.1% |
Chloride |
≤0.01% |
Sulphate |
≤0.01% |
Trace Metal Analysis |
|
Al |
≤50 ppb |
Au |
≤50 ppb |
Ag |
≤50 ppb |
B |
≤50 ppb |
Ba |
≤50 ppb |
Cd |
≤50 ppb |
Ca |
≤150 ppb |
Cr |
≤50 ppb |
Co |
≤50 ppb |
Cu |
≤50 ppb |
Fe |
≤100 ppb |
Ga |
≤50 ppb |
K |
≤50 ppb |
Li |
≤50 ppb |
Mg |
≤50 ppb |
Mn |
≤50 ppb |
Ni |
≤50 ppb |
Na |
≤50 ppb |
Pb |
≤50 ppb |
Sr |
≤50 ppb |
Sn |
≤50 ppb |
Sb |
≤50 ppb |
Ta |
≤50 ppb |
Ti |
≤50 ppb |
Zn |
≤100 ppb |
Leshan Sanjiang Bio-Tech Co., Ltd. is a tech firm founded by Xu Zhongyun, a world-renowned forestry scientist and Chief Researcher of the Southern Research Institute of the USDA Forest Service. The company was incorporated in the Leshan National High-tech Industrial Development Zone in 2003. Made from China's forestry specialties--Galla Chinensis and natural product Tara sourced from Peru, our products include pharmaceutical intermediates, electronic chemicals, food additives, etc.
Sanjiang research team has taken in charge of many major state or ministerial level projects, we have attained scientific and technological achievements and patents, Sanjiang keeps deepening cooperation with Chinese Academy of Forestry, Nanjing Forestry University and Northeast Forestry University among other institutions of higher education in deep processing of forestry products.
Sanjiang has set up a strict quality control system,monitoring all process in production. Our laboratory has been equipped with a HPLC, corresponding analysis instruments.