
PRODUCT

Zhishang Bio Pyrogallol CAS
CAS:87-66-1 | C6H6O3 |MW:126.11 | EINECS NO:201-762-9
Payment: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Transporta: Ocean, Land,Air, DHL,TNT
Port: Shanghai Port, Qingdao Port
Description
Trinity of adjacent Hydroxyl groups: Chemical essence and structure
Pyrogallol, The chemical formula is C6H3 (OH) 3, and the system name is 1,2,3-phenyltriphenylphenol. Three hydroxyl groups, tightly arranged, are found on the adjacent carbon atoms in the benzene rings, forming triphenylphenol.
Pyrogallol’s unique chemical behavior is based on the dense arrangement of adjacent groups of hydroxyls.
These three hydroxyl groups confer a strong hydrophilicity to the molecule and give it the ability for hydrogen bonds.
Pyrogallol molecules are able to form many hydrogen bonds with the water molecules. They can also interact through hydrogen bonds. This directly affects physical properties such as melting point.
This structure gives the molecule a high level of chemical activity. Pyrogallol, when in alkaline conditions is easily oxidized with oxygen from the air. This produces dark-colored products that have quinone structure.
Pyrogallol is an antioxidant that works by preventing oxidation.
Pyrogallol also forms a polyphenolic structure that gives it a strong coordination ability as well as the ability to form stable compounds with different metal ions. This property is important in polymer synthesis and analytical chemistry.
Physical and chemical properties: sources of reactivity
Pyrogallol’s physical properties are usually described as a white, light gray, or crystalline powder. Its color darkens over time due to oxidation, when exposed to light and air. The strong hydrogen bonds in the compound give it a high melting point, and excellent water solubility. It can dissolve in organic solvents like ethanol and water.
Pyrogallol is a chemical compound that exhibits a very active behavior. It is widely used for its chelation and weak acidity.
It is an excellent chelating compound, with three adjacent hydroxyl groups, and can form stable, water-soluble compounds with metal ions like iron, aluminum or copper. Specific colors. The reaction of trivalent iron ions, for example, produces a blue-black color that is used in analysis and detection.
Pyrogallol has a high reducibility. It is especially unstable in alkaline medium and can capture oxygen from air quickly, oxidizing to the quinone while using oxygen in the surrounding. It is a classic oxygen-absorbing and reducing agent because of this characteristic.
It is used in chemical experiments to prepare oxygen-absorbing materials to create an anaerobic atmosphere. It is a complex chain reaction involving free radicals that results in a continual deepening of colour.
Condensation with aldehydes. The benzene ring of Pyrogallol has a dense electron cloud at the ortho- and para-positions of the hydroxyl groups, which makes it an active site in electrophilic replacement reactions. It can undergo electrophilic condensation substitution reactions with aldehyde substances such as furfural and formaldehyde.
This reaction is a key step in the synthesis for benzoxazine polymers, a class that has many important applications. Pyrogallol is able to create complex supramolecular polymers or network structures by reacting with binary or multicomponentaldehydes.
Pyrogallol can be used to synthesize fine chemicals, pharmaceutical intermediates and more complex fine chemical compounds through a series chemcial reactions.
Product Images & Packaging



Product Parameters
| Pyrogallol Chemical Properties |
| Melting point | 43-47 °C(lit.) |
| Boiling point | 309 °C |
| density | 1.112 g/mL at 25 °C(lit.) |
| bulk density | 600kg/m3 |
| vapor density | 4.4 (vs air) |
| vapor pressure | 10 mm Hg ( 167.7 °C) |
| refractive index | n20/D 1.387 |
| Fp | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | water: soluble |
| form | Very Fine Crystalline Powder |
| pka | pK1:9.03(0);pK2:11.63(+1) (25°C) |
| color | White |
The application of Pyrogallol
Pyrogallol is used in a wide range of applications and uses.
1. Chemical synthesis industry and polymer field:
Pyrogallol is used in the following applications.
Pyrogallol is a skeleton for benzoxazine resins.
Under heating conditions, this type of monomer undergoes polymerization by ring-opening to produce polybenzoxazine. This polymer is characterized by excellent thermal stability, flame resistance, low dielectric constant and almost no volume shrinkage. It has great potential for high-end electronic materials, composite material matrixes, flame resistant coatings and other fields.
Pyrogallol is a good curing agent for Epoxy Resin. Its multifunctionality allows it to form a network of curing with high crosslinking density, which improves the heat resistance and mechanical properties of epoxy resin products.
Synthetic pigments and dyes: The quinone structure generated by Pyrogallol is an important intermediate for many organic pigments and dyes.
Pyrogallol can be used to synthesize MOFs and coordination polymers with specific pore structure and function, using its strong coordination abilities. These materials are promising in the fields of gas adsorption, separation, catalysis and others.
2. Field of Analytical Chemistry and Gas Purification:
Pyrogallol is used to detect and absorb oxygen in laboratory environments. It can also be used to purify industrial gases to remove traces of oxygen. It can also be used to determine the oxygen content of gases using a chemical reagent.
Metal ion Analysis: Due to its ability to form complexes of color with metal ions (such as iron, antimony, molybdenum), it can be used for the colorimetric detection and quantification. In solutions.
3. In the fields of medical and life sciences:
Research on antioxidant activity. As a polyphenol typical, Pyrogallol has been extensively studied for its antioxidant and free radical-scavenging properties. In vitro antioxidant models, it is used to induce oxidative stress and evaluate the antioxidant activity of different substances.
Pyrogallol is an enzyme inhibitor. Studies have shown Pyrogallol to inhibit certain enzymes such as mitochondrial complex II and tyrosinase. This could be a potential direction for its use in the development of cosmetics and drugs.
Plant Physiology & Soil Chemistry : Phenolic compounds of similar structure are found in nature as part of plant litter. Pyrogallol can be used as a study compound to examine the effects of phenolics on soil nutrient cycles and microbial activities during plant residue degradation.
Pyrogallol's Procurement Guide
Procurement Guidelines
1. Sample Policy
We can provide a 2-3g free trial package (shipping fee required)
2. Batch procurement
Packaging: 25kg/bag; 220kg/barrel; Special packaging according to your needs
MOQ:1kg
3. Customized services
Concentration customization (90% -99%)
Paeonol’s outsourcing services

FAQ
Yes, we have our own factory called ” ZhiShang Industry Group “
Yes, we have GMP certificate for some products, and we can provide DMF as well.
-Quality you require, eg. Assay, Purity, or single impurity
-Quantity you need
-Standard you want, such as USP, EP, JP etc.
Escrow and T/T in advance are highly recommended. We can accept Western Union, Money Gram and Paypal as well.
For sample(less than 1kg), in about 3 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.
For samples, we will send by TNT/DHL/FEDEX/UPS express, usually it takes about 3-5 day.
Related References
Manufacturer of Pyrogallol
Zhishang Bio is based in Shandong, serves the whole country, faces the world, and is determined to become an excellent supplier and service provider in the chemical industry.
As a top manufacturer of cosmetic raw materials, disinfectants, flavors and fragrances in China, we are committed to producing high-quality products and have won high praise from customers all over the world.
In the next 10 years or even longer, Zhishang Bio will always adhere to the tenet of quality first and reputation first, and devote itself to providing customers with thoughtful and perfect services.
As a professional Pyrogallol manufacturer, Zhi shang Bio has served more than 6,000 customers around the world. Because of our high-quality products and professional services, we have won high praise from most of our customers.
Zhishang Bio is a professional enterprise engaged in the research and development, production, and sales of chemical raw materials. It has a strong supply chain system and strict quality control standards to ensure the provision of high-quality products with high purity and stability to customers.
Zhishang Bio’s core strength is its independent research and design capabilities. It has advanced production equipment, testing laboratories and can customize chemical raw materials to meet the market demands. This includes pharmaceuticals, electronic, coatings and agricultural applications.
Zhishang Bio’s supply chain management is based on long-term relationships with domestic and international suppliers of high quality to guarantee a stable supply, optimize logistic systems, and achieve efficient distribution. This helps reduce the cost of customer purchases.
We adhere to international environmental standards and we also adhere to the concept that environmental protection and safety production are important. All production processes must comply with these standards in order to guarantee that our products will be green and sustainable.
With a professional technical team and comprehensive after-sales service, Zhishang Bio can provide customers with precise technical support, solve application problems, and help customers enhance product competitiveness.
We are always customer-oriented and committed to becoming a trusted chemical raw material partner.
Zhishang Biography is dedicated to using clients extensive and expert service, including chemical raw material. The customers will certainly receive hassle-free, efficient and one-stop options.
1. Custom-made Supply Solutions
Zhishang Bio provides tailored services for clients in the chemical basic material sector, including special bit dimension, solvent residue control, stability optimizations and more. Clients can personalize their services to satisfy details requirements in industries such as drugs, electronic devices, and finishings.
2. Strict quality assurance
Zhishang Bio utilizes advanced screening equipment and stringent quality examination procedures, in addition to various other files, to guarantee that every batch of products is certified with international criteria such ISO GMP, REACH, and so on. Customers are also given with full quality records and conformity documents.
The supply chain is secure
Zhishang Bio has actually established lasting calculated collaborations with worldwide makers of top notch raw materials to make certain a secure supply, maximize the storage facility and logistics system, and assistance both small-scale examinations and large orders. It adjusted to the changing requirements of clients by responding flexibly to these changes.
4. Technical support
Zhishang Bio’s technical group can offer suggestions on product applications, formula optimization and analysis of industry patterns to aid clients fix technological troubles during production and boost item efficiency.
5. Efficient after-sales service
Zhishang Bio provides complete monitoring, reacts to client requests and delivers promptly. This will certainly make certain customer complete satisfaction.
Zhishang Biography intends to help consumers expand their service by providing the very best solutions and chemical resources.
DO YOU ACCEPT SAMPLE ORDER?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
WHAT’S YOUR MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
IS THERE A DISCOUNT?
Different quantity has different discount.
HOW TO CONFIRM WHETHER THE PRODUCT QUALITY MEETS OUR NEEDS BEFORE PLACING AN ORDER?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
DO YOU SUPPLY PRODUCT REPORT?
Yes. We’ll give you product analysis report before shipping.
LEARN MORE ABOUT US
Shandong Look Chemical
1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).
4. For high-value products, please choose air or express to ensure the safety of product transportation.
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