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Home > Cosmetic Ingredient > Buffering (Find 9 items)

Cosmetic Ingredient

Buffering

Explore buffering solutions! Buffering plays a pivotal role in maintaining stable pH levels. Discover a range of buffered products with CAS NO., property details, and SDS on ECHEMI. Source buffering raw chemical materials from certified suppliers for precise pH control. Shop now for detailed product information.

Citric acid

(77-92-9)
1. Citric acid is a weak organic acid that is known as a commodity chemical, as more than a million tonnes are produced every year by mycological fermentation on an industrial scale using crude sugar solutions, such as molasses and strains of Aspergillus niger. Citric acid is widely distributed in plants and in animal tissues and fluids and exist in greater than grace amounts in variety of fruits and vegetables, most notably in citrus fruits such as lemon and limes. Citric acid is mainly used as

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Calcium carbonate

(471-34-1)
Used to improve the flexural resistance of PVC soft products. It is also widely used in rubber, adhesives and sealants as fillers and reinforcing agents; used as analytical reagents, reference reagents, silicon single crystal slice glue and thick film capacitor materials ; Mainly used as filling and reinforcing materials in rubber, plastics and coating industries; used in the production of cement, ceramics, lime, carbon dioxide, chalk, artificial stone, putty, and used as pigments, neutralizers,

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Calcium hydroxide

(1305-62-0)
In mortar, plaster, cement and other building and paving materials; in lubricants, drilling fluids, pesticides, fireproofing coatings, water paints; as egg preservative; manufacture of paper pulp; in SBR rubber vulcanization; in water treatment; dehairing hides.

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Calcium oxide

(1305-78-8)
In bricks, plaster, mortar, stucco and other building and construction materials; manufacture of steel, aluminum, magnesium, and flotation of non-ferrous ores; manufacture of glass, paper, Na2CO3 (Solvay process), Ca salts and many other industrial chemicals; dehairing hides; clarification of cane and beet sugar juices; in fungicides, insecticides, drilling fluids, lubricants; water and sewage treatment; in laboratory to absorb CO2 (the combination with NaOH is known as soda-lime, q.v.).

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Cyclohexylamine

(108-91-8)
This product is used to prepare cyclohexanol, caprolactam, cellulose acetate and nylon 6. Cyclohexylamine itself is a solvent and can be used in resins, coatings, fats, and paraffin oils. It can also be used to prepare desulfurizers, rubber antioxidants, vulcanization accelerators, chemical additives for plastics and textiles, boiler water treatment agents, metal corrosion inhibitors, emulsifiers, preservatives, antistatic agents, latex coagulants, petroleum additives , Fungicides, insecticides

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Calcium dihydrogen phosphate

(7758-23-8)
Chiefly in fertilizers; as acidulant in baking powders and in wheat flours; mineral supplement for foods and feeds; in enameling.

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Carbonic acid, ammonium salt (1:?)

(10361-29-2)
In baking powders, for washing and defatting woolens, tanning; as mordant in dyeing; manufacture of rubber articles, casein glue, casein colors; in fire extinguishers, smelling salts; for separating cacao constituents; as a reagent in analytical chemistry.Pharmaceutic aid (source of ammonia).

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Buffering refers to the process of minimizing fluctuations or maintaining stability, often applied in the context of managing and regulating pH levels of makeup products in solutions. According to their chemical properties, buffering can be classified into inorganic buffers, such as phosphates, and organic buffers, such as amino acids. According to their pH-regulating functions, buffering can be categorized as acidic, neutral, and alkaline buffers. According to their compatibility with different components, buffering can also be divided into water-soluble and oil-soluble buffers. "Buffering" on ECHEMl primarily provides raw materials for the buffering agent.

More Information

Buffering products are used to maintain stable pH levels in various applications, whether it's in pharmaceuticals, cosmetics, or food processing.

Buffering products work by resisting changes in pH when acids or bases are added, thereby stabilizing the solution. This property is especially valuable in cosmetic production, where precise pH control is necessary for different formulas.

Causes of pH fluctuations
•Addition of acidic or alkaline substances.
•Biological processes producing acids or bases.
•Environmental factors influencing pH levels, such as temperature or humidity fluctuations.

Frequently Asked Questions

What is buffering in chemistry and industrial applications?

Buffering refers to the ability of a solution to resist changes in pH when small amounts of acid or base are added. In industrial and laboratory settings, buffering agents—often weak acids or bases combined with their conjugate salts—are used to maintain stable pH levels critical for chemical reactions, biological processes, and product formulations. Common examples include phosphate buffers, acetate buffers, and citrate buffers.

Why is buffering important in pharmaceutical manufacturing?

Buffering is essential in pharmaceutical manufacturing because many active pharmaceutical ingredients (APIs) and biological compounds are sensitive to pH fluctuations. Maintaining a consistent pH ensures drug stability, efficacy, and safety during production, storage, and delivery. Buffer systems also help mimic physiological conditions in injectables and ophthalmic solutions, reducing irritation and improving patient tolerance.

How do I choose the right buffering agent for my application?

Selecting the appropriate buffering agent depends on several factors:1. The required pH range—the buffer should have a pKa close to the target pH.2. Compatibility with other components in the formulation.3. Regulatory approval for intended use (e.g., USP/NF grade for pharmaceuticals).4. Stability under processing conditions like temperature and sterilization.5. Minimal interference with analytical methods or biological activity.Common choices include Tris, HEPES, phosphate, and citrate buffers, each suited to specific applications.

What are common types of buffering agents used in biotechnology?

In biotechnology, buffering agents must support cell viability and enzyme activity while maintaining precise pH control. Widely used buffers include:• Phosphate-buffered saline (PBS) for cell washing and dilutions.• HEPES for cell culture media due to its minimal metal binding and good buffering capacity at physiological pH.• Tris-HCl in molecular biology applications like electrophoresis and PCR.These buffers are selected based on their ionic strength, osmolality, and non-toxicity to biological systems.

Can buffering affect product shelf life and stability?

Yes, effective buffering significantly enhances product shelf life and stability—especially in pharmaceuticals, cosmetics, and food products. Uncontrolled pH shifts can lead to degradation of active ingredients, microbial growth, or changes in texture and color. A well-designed buffer system minimizes these risks by stabilizing pH throughout the product’s lifecycle, from manufacturing through storage and use.

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