OEM Gallotannic Acid / Tannic Aci Factories - Pyrogallol – Sanjiang
OEM Gallotannic Acid / Tannic Aci Factories - Pyrogallol – Sanjiang Detail:
Introduction: Pyrogallol
is a chemical reagent and chemical raw material with multiple uses. It is produced in the manner it was first prepared by Scheele (1786): heating gallic acid. Presently gallic acid is obtained from tannin. Heating induces decarboxylation 。It is widely used in pharmaceutical synthesis, dyes, foods, pesticides and electronic products
Appearance:White crystalline powder
Chemical name: Benzene-1,2,3-triol
Other names:1,2,3-Trihydroxybenzene,Pyrogallic acid
Molecular formula: C6H3(OH)3
Molecular weight: 126.11
Melting point:309°C
CAS Number:87-66-1
Property: This product is a white shiny crystalline powder, soluble in 2 parts of water, 1 part of ethanol or 2 parts of ether.
Specifications
In line with the national industry standard LY-T 2862; in line with the US “chemical reagent standards”; Lawson V version and Japanese national standard K8780 reagent specifications.
Feature
Melting point is 131 ~ 134 ℃, boiling point is 309 ℃, relative density is 1.46. UVλmax2. 88nm when pH =5.4 in water. Soluble in water, alcohol, ether, slightly soluble in benzene, chloroform and carbon disulfide.
Storage
Avoid moisture and light, sealed tightly, no contact with metal.
Packing
The product is packed in cardboard drums with a net weight of 25 kg per barrel.
Application
1. Cosmetic additives
2. Important catalysts and additives in chemical industry
3. Strong reducing agent and fungicidal in medicine
4. One of the important formulas of feed
5. Highly effective and low residual pesticide
6. New imaging materials, metallurgical flotation agent
Specifications
Specifications |
|
|
|
Implementation standards |
A.R |
C.P |
Enterprise Standard |
Purity |
≥99.5% |
≥99.0% |
≥98.0% |
Melting point |
131~136 |
131~136 |
131~136 |
Residue on ignition |
≤0.025% |
≤0.05% |
≤0.1% |
Water solubility |
Clear without turbidity |
Clear without turbidity |
— |
Chloride |
≤0.001% |
≤0.002% |
— |
Sulfate |
≤0.010% |
≤0.010% |
— |
Gallic acid test |
Without turbidity |
Without turbidity |
— |
heavy metal |
≤10 ug/g |
— |
— |
Packing |
Woven bag, 25kg / bag |
cardboard bucket, 25kg/drum |
cardboard bucket,25kg/ |
Product detail pictures:
Related Product Guide:
Our primary objective is always to offer our clients a serious and responsible small business relationship, offering personalized attention to all of them for OEM Gallotannic Acid / Tannic Aci Factories - Pyrogallol – Sanjiang , The product will supply to all over the world, such as: Bhutan, Colombia, Libya, We'll initiate the second phase of our development strategy. Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet. If you are interested in any of our products and solutions or would like to discuss a custom order, make sure you feel free to contact us. We've been looking forward to forming successful business relationships with new clients around the world in the near future.
By Meredith from Riyadh - 2018.06.18 17:25
The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
By Gabrielle from Thailand - 2018.10.01 14:14