Hydroquinone Powder CAS 123-31-9
Factory wholesale Hydroquinone Powder CAS 123-31-9
- Appearance:Liquid
- Purity:99.8%
- Delivery:30days
- Sample Available:Available
- 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 FedEx
Name: Hydroquinone
CAS: 123-31-9
MOQ: 1KG
Directory Guidance on Hydroquinone Powder
Chemical Structure
Basic Info:
| Melting point | 172-175 °C(lit.) |
| Boiling point | 285 °C(lit.) |
| bulk density | 600kg/m3 |
| density | 1.32 |
Hydroquinone Powder Introduction:
As an important organic compound, Hydroquinone Powder plays an irreplaceable role in industrial production and scientific research. Its chemical name is 1,4-dihydroxybenzene, CAS number 123-31-9, molecular formula C6H6O2, and white needle-shaped crystal structure gives it unique physical properties. The substance has a melting point of 170-175℃, a boiling point of 285-290℃, is weakly acidic at room temperature, and has a solubility of 6.0g/100ml in water at 25℃. These physical parameters have laid an important foundation for its industrial application.
From the chemical structure point of view, the two hydroxyl groups in the Hydroquinone Powder molecule are in the para position, and this special arrangement gives it strong reducing properties. The conjugated system of the benzene ring interacts with the electron-donating effect of the hydroxyl group, so that its redox potential reaches +0.699V (vs. SHE), which is its core mechanism as an antioxidant. In terms of the synthesis route, the current mainstream industry adopts the aniline oxidation method, which realizes directional synthesis through the action of oxidants such as ammonium persulfate, and the reaction yield can reach more than 85%. It is worth noting that natural Hydroquinone Powder also exists in some plants in nature, such as bearberry leaves, but its content is usually less than 0.5%, which is difficult to meet industrial needs.
In terms of stability, Hydroquinone Powder shows obvious environmental sensitivity. It is easy to undergo photooxidation reaction under light conditions to generate quinone substances, so it needs to be protected from light during actual storage. The stability of its aqueous solution decreases significantly when pH>8, which is closely related to the dissociation characteristics of its phenolic hydroxyl group. Toxicological studies have shown that the LD50 (oral administration to rats) of this substance is 320mg/kg, which is classified as a moderately toxic substance. Strict protective measures must be followed during operation.
The purity standard for industrial grade Hydroquinone Powder usually requires ≥ 99.5%, and the content of quinone derivatives is mainly controlled in impurities. Modern production processes can increase the purity of the product to more than 99.9% through multi-stage crystallization and vacuum sublimation technology. In recent years, with the development of green chemistry, breakthroughs have been made in the research of electrochemical synthesis. The use of proton exchange membrane electrolyzers can increase the synthesis current efficiency to 92%, which provides a new direction for reducing production energy consumption.
Nature and Specifications:
| Item | Specification |
| Product Name | Hydroquinone |
| CAS No. | 123-31-9 |
| Appearance | Powder |
| Shelf Life | 2 years |
| Packing | As Your Requirements |
| vapor density | 3.81 (vs air) |
| vapor pressure | 1 mm Hg ( 132 °C) |
| refractive index | 1.6320 |
| Fp | 165 °C |
Product service:
- Certificate Of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
- Packing pictures and loading video before loading
- Free Sample
- Factory audit
The Application Situation Of Hydroquinone Powder
In the application field, the diversified characteristics of Hydroquinone Powder are fully demonstrated. As the core component of photographic developer, its reducing ability can reduce silver ions in silver halide to metallic silver to form visible images. This process involves a complex redox reaction chain, and the development efficiency is closely related to parameters such as solution pH and temperature. In the polymer industry, this compound is used as a high-efficiency inhibitor to effectively capture free radicals and extend the storage period of monomers. Experimental data show that adding 0.01% Hydroquinone Powder can increase the storage stability of acrylate monomers by more than 3 times.
The cosmetics industry uses its inhibitory effect on tyrosinase as an important raw material for whitening agents. Mechanism studies show that Hydroquinone Powder can reversibly bind to copper ions in the active center of the enzyme, inhibiting the key step of melanin synthesis. In the field of medicine, this substance is used as an intermediate to participate in the synthesis of a variety of drug molecules, especially in the preparation of cardiovascular drugs and antimalarial drugs. It is irreplaceable. In recent years, its application expansion in photosensitive materials has been worthy of attention. Functional materials with specific light response characteristics can be prepared by modifying the molecular structure.
In agriculture, Hydroquinone Powder derivatives show unique effects as plant growth regulators. Its mechanism of action has a synergistic effect with endogenous hormones and can regulate the photosynthesis efficiency of crops. In the dye industry, it participates in the synthesis of anthraquinone dyes as an intermediate, and the hydroxyl group in its molecular structure can provide an ideal reaction site. It should be pointed out that different application fields have different requirements for product specifications. For example, electronic-grade products need to control the metal ion content at the ppb level.
The Advantages Of Hydroquinone Powder
From the perspective of product advantages, the core competitiveness of Hydroquinone Powder lies in its excellent antioxidant performance. Compared with traditional antioxidants such as BHT, its free radical capture efficiency is increased by more than 40%, which is due to its unique molecular configuration and electron distribution characteristics. Under high temperature conditions (>150°C), it can still maintain more than 90% antioxidant activity. This thermal stability is particularly important in the field of polymer processing.
Chemical stability is another major advantage of this product. In the pH range of 3-7, its decomposition rate is less than 0.5%/month, which provides a guarantee for long-term storage. It has good compatibility with most metal ions, especially in iron-containing systems, which can remain stable, which broadens its application range in industrial catalyst systems. Alkylated derivatives developed through molecular modification technology have brought weather resistance to a new level. Some derivatives still maintain more than 85% activity after 12 months of outdoor exposure.
From an economic perspective, Hydroquinone Powder has significant cost-effectiveness advantages. The market supply of raw material aniline is sufficient, and the production process is mature, which keeps its ton cost within a reasonable range. Compared with natural antioxidants that are more difficult to synthesize, its price competitiveness is particularly prominent. What is more noteworthy is that its low addition characteristics during the application process (usually 0.01%-0.1%) further reduce the cost of use. The advancement of recycling technology has enabled more than 80% of the active ingredients to be recovered from production waste, which meets the development requirements of the circular economy.
Environmental friendliness has been an important improvement direction for this product in recent years. The new biodegradation technology can reduce the content of Hydroquinone Powder in industrial wastewater to below 0.1ppm, meeting strict environmental discharge standards. In terms of toxicology, sustained-release formulations developed through microencapsulation technology can reduce transdermal absorption by 70% and significantly improve safety of use. Life cycle assessment shows that Hydroquinone Powder produced by green process has a carbon footprint 35% less than traditional methods, which provides strong support for sustainable development.
Technological innovation continues to promote product upgrades. The application of nano-dispersion technology has increased its distribution uniformity in oil-water two-phase systems by 50%. The introduction of molecular imprinting technology has increased the selective adsorption efficiency in specific application scenarios by 3 times. These technological advances not only enhance product performance, but also open up the possibility of application in emerging fields such as new energy materials. With the development of surface modification technology, the performance of new generation functional products in conductive polymer materials is particularly outstanding, showing a broad market prospect.
The current global production capacity layout presents regional characteristics, and major manufacturers build competitive advantages through technical barriers. The quality control system has achieved full traceability from raw materials to finished products, and the application of online analysis technology has enabled the production process control accuracy to reach ppm level. Future development trends show that the proportion of functionalized and specialized products will continue to rise, and it is expected that the market share of specialty products will exceed 40% by 2025. These developments fully confirm the important position of Hydroquinone Powder as a basic chemical and its continuously upgraded industrial value.
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If you have a demand for this product, please contact our company’s sales staff, we will provide you with a solution in the shortest time.
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1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
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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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Frequently Asked Questions(FAQ):
We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
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Different quantity has different discount.
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