Description

Chemical Name:β-Cyclodextrin

Cas No:7585-39-9

EINECS No:231-493-2

Synonyms:beta-cycloamylose;beta-cycloheptaamylose;beta-dextrin;Cycloamyloses;Cycloglucans;β-CD etc…

Molecular Weight:1134.99

Molecular Formula:C42H70O35

Molecular Structure:

Specification of β-Cyclodextrin:

Items	Specifications
Melting Point	290-300 °C
Boiling Point	844.96°C
Density	1.2296
pKa	11.73±0.70
Mesh	110`130
Specific Optical Roration	160°~ 164°
Water	≤14.0%
Residue on ignition	≤0.1%
Chloride	≤0.018%
Heavy metals	≤5PPM
Glucose	≤1.0%
PH	5.0-8.0

Function of β-Cyclodextrin:

The core functionality of β- cyclodextrin (β-CD) stems from its unique molecular structure – a cyclic molecule formed by the linkage of 7 glucose units with a hydrophilic outer surface and a hydrophobic inner cavity. This structure enables it to form stable “inclusion complexes” with a variety of hydrophobic small molecules (e.g., drugs, fragrances, pollutants, etc.) through intermolecular forces, which in turn can alter the physicochemical properties (e.g., solubility, stability, volatility, irritation, etc.) of these small molecules. Their main functions can be summarized in the following categories:

• Solubilizing and solubilizing function
  By wrapping insoluble substances in hydrophobic cavities, the hydrophilicity of its own external surface enhances the solubility of these substances in water or polar solvents.
• Stabilizing and Protecting Functions
  Provides a “physical barrier” for the encapsulated small molecules to resist the damage of external factors (e.g., oxygen, light, temperature, enzymolysis) and prolong their stability.
• Controlled release and slow release function
  By adjusting the structure of the inclusion compound or environmental conditions (such as pH, temperature), control the slow release of the encapsulated small molecules, prolong the action time or reduce the instantaneous concentration.
• Taste masking and detoxification function
  By wrapping substances with bad smell, bitter taste or irritation, to reduce their impact on the senses or biological tissues.
• Recognition and adsorption function
  Utilizing the “size matching” and hydrophobic effect of the cavity on specific molecules, it realizes the selective recognition and adsorption of target substances.

Together, these functions constitute the core application value of β- cyclodextrin in the fields of medicine, food, daily chemicals and environmental protection, making it an efficient “molecular regulatory tool”.

Application of β-Cyclodextrin:

By virtue of the unique hydrophobic cavity and hydrophilic outer wall in its molecular structure, β-Cyclodextrin (β-CD) can form stable inclusion complexes with a variety of small molecules, thus changing the physicochemical properties of these molecules (e.g., solubility, stability, volatility, etc.), and therefore it has a wide range of important applications in many fields. The following are its main applications:

• Food preservation: β-Cyclodextrin can be used to encapsulate easily oxidized and volatile ingredients such as oils, spices, vitamins, etc. in food to prevent them from oxidative deterioration and volatilization loss, extend the shelf life of food, and maintain the flavor and nutritional ingredients of food.
• Drug solubilization and stabilization: Improve the solubility and dissolution rate of poorly soluble drugs and enhance the stability of drugs.
• Stabilize effective ingredients: Encapsulate active ingredients such as spices, sunscreens, vitamins, etc. in cosmetics to prevent them from oxidation, photolysis and volatilization, improve the stability of these ingredients, and ensure the efficacy of cosmetics.
• Pollutant treatment: β-cyclodextrin can be used for soil remediation and sewage treatment. For example, applying β-cyclodextrin to pesticide-polluted farmland soil can enhance the water solubility of pollutants and promote their removal by microbial degradation or washing.
• Agricultural field: β-cyclodextrin can enhance the solubility of pesticides in water and reduce their volatilization and photolysis loss.
• Feed additives: Adding β-cyclodextrin to feed can prevent it from failing during storage; at the same time, it can adsorb mycotoxins in feed and reduce the risk of animal intake.
• Textile industry: β-cyclodextrin is used in the treatment of textiles to improve the solubility and dyeing rate of dyes.
• Analytical chemistry: β-cyclodextrin is used as a stationary phase or mobile phase additive in chromatographic analysis.

In conclusion, β-cyclodextrin plays an irreplaceable role in improving the physical and chemical properties of substances and enhancing the efficacy and safety of products by virtue of its unique encapsulation properties, and is an important functional excipient in the fields of chemistry, medicine and food.

FQAs:

• Q1:What kind of packaging do the products usually come in?
  A: This depends on the specific form of the product.
  a1：If the product is in powder form, it is usually packed in 25kg woven bag/25kg cardboard drum, samples are usually bagged .
  a2：If the product is liquid, it is usually packed in 180kg plastic drum/200kg iron drum, and the samples are usually in bottles.
  a3：If customers have special requirements, please inform us in advance, we will choose the most suitable packaging according to the actual situation.
• Q2:What is your shipping method?
  A1：Usually, we will send small goods by FedEx, UPS and other international courier; bulk goods can be selected by sea, air or sea-land transport and other ways.
  A2：If you have a designated courier or logistics channel, please be sure to inform us in advance so that we can arrange according to your requirements.
• Q3: What methods can customers pay?
  A: We offer a variety of payment methods, including TT transfer and credit card payment, which you can choose according to your needs.
• Q4: What is your delivery time?
  A: The exact delivery time will be determined according to the product category and quantity in your order.
• Q5: How do you keep our business in good relationship for a long time?
  A1：We maintain good quality and competitive price to ensure the benefit of our customers ;
  A2：We respect every customer and treat them as our friends, no matter where they come from, we sincerely do business and make friends with them.
• Q6: If you have any questions or needs, please feel free to contact us, we will be happy to provide you with satisfactory service!

Product Packaging and Transportation Show：

https://jinbangch.com/product/%ce%b2-cyclodextrin-cas-7585-39-9/

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