Zhishang Bio Technology|Supplier of pharmaceutical intermediates, pesticide intermediates and cosmetics raw materials

PRODUCT

Pyrogallol

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

Pyrogallol
Pyrogallol
Pyrogallol

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 density600kg/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
pkapK1:9.03(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

Paeonol

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

Company Info

Zhishang Bio company in China that exports chemicals, Cosmetic raw materials, and Intermediates for over 70 countries now.
 
And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.
 
The company integrates research and development, production, and trade, with a modern production base, advanced testing equipment, and an experienced technical team to ensure that products reach industry-leading levels in purity, stability, and environmental friendliness.

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