Quaternary ammonium compounds (QACs) are a kind of widely used cationic surfactants. They are formed by the substitution of hydrogen atoms of ammonium groups by alkanes or aromatic hydrocarbon groups. The general formula is (R4N+) X-, where R is a hydrocarbon group or a phenyl group, and X- is a ... Views: 340
Introduction
Cosmetic products have become an integral part of our daily lives, enhancing our natural beauty and boosting our self-confidence. Behind every cosmetic product lies a complex formulation consisting of various ingredients. Among these ingredients, flavoring agents, buffers, ... Views: 255
How Do Ion Exchange Resins Work?
Structure
Ion exchange resins are composed of three parts: the insoluble three-dimensional space network polymer skeleton, the ion functional group connected to the skeleton, and the exchangeable ion pore with opposite charges on the functional group.
Polymer ... Views: 289
As Thanksgiving approaches, Alfa Chemistry, an ISO 9001:2015 certified supplier of chemicals and research reagents, is expressing its gratitude by offering customers special deals on its extensive range of products. The company is renowned for its commitment to quality and customer satisfaction, ... Views: 238
On the occasion of Thanksgiving and Christmas, Alfa Chemistry would like to express its sincere gratitude to its global customers. In addition to discounts and exquisite gifts offered to ordering customers, the company also continuously improves its product lines. Fairly recently, Alfa Chemistry ... Views: 309
Earlier this month, the New York-based material supplier, Alfa Chemistry, announced the launch of three new resins for ion exchange chromatography applications, i.e., mixed bed resins, chelating resins, and adsorbent resins, to its customers worldwide, encompassing not only individual scientists ... Views: 286
Cosmetics play a significant role in our daily lives, with millions of people using them to enhance their appearance or maintain their skincare routine. However, the safety of these products should always be a top priority. To ensure the safety and quality of cosmetics, thorough toxicological ... Views: 246
As analytical technology improved, and it became known that some elements were present at these very low levels, the term "trace" was coined to describe them. There are many areas of science and industry where the presence of elements at extremely low levels has a significant impact on human ... Views: 183
For the modern alternative energy field, qualitatively and quantitatively analyzing metal and heavy metal contaminants in battery components and semiconductor raw materials is of crucial importance. Aiming to play a role in the alternative energy industry, Alfa Chemistry recently demonstrated ... Views: 340
As medicine continues to advance in this new era, drug delivery methods have been revolutionized to enhance patient comfort, improve treatment outcomes and ensure effective delivery of therapeutic compounds. CD Formulation, a leading pharmaceutical research and development company, has recently ... Views: 183
Molecular sieves are classified according to their pore sizes and chemical compositions. The pore size determines the types of molecules that can be adsorbed and excluded. The most common types of molecular sieves are 3A, 4A, 5A, and 13X, each having distinct characteristics and ... Views: 148
Pharmaceutical formulations consist of active pharmaceutical ingredients (APIs) and excipients. Appropriate excipient selection is critical to the final quality of pharmaceutical products. When designing pharmaceutical preparations, the choice of excipients should not only consider the dosage ... Views: 213
Every day, we come into contact with a wide variety of detergents commonly used in households, including fabric cleaners, kitchen cleaners, and personal hygiene cleaners. Understanding the different types of detergents and their applications can help us make informed decisions about how we clean ... Views: 268
Every day, we come into contact with a wide variety of detergents commonly used in households, including fabric cleaners, kitchen cleaners, and personal hygiene cleaners. Understanding the different types of detergents and their applications can help us make informed decisions about how we clean ... Views: 303
In the realm of scientific research, the pursuit of excellence is often driven by the quest for innovative solutions and groundbreaking discoveries. Alfa Chemistry, a leading global supplier of research chemicals, has been at the forefront of empowering researchers with the highest quality ... Views: 175
As technology advances, the demand for superior materials that can withstand extreme conditions and deliver exceptional performance continues to grow. Alfa Chemistry, a leading chemical supplier, recently announced the supply of single crystalline and polycrystalline diamonds for researchers who ... Views: 196
In the field of materials science, there are various fascinating areas that have captured the attention of researchers and innovators worldwide. This article aims to shed light on four such intriguing topics: Hydrophobic Polymers, Photochromic Materials, PVC Stabilizers, and Biocompatible ... Views: 238
What are Sorbic Acid and Its Advantage?
Sorbic acid is an organic compound with the chemical formula C6H8O2. It is a naturally occurring food additive that has inhibitory effects on yeast, mold, and many other fungi. Sorbic acid is a colorless needle-shaped crystalline powder, odorless or with ... Views: 240
Silicone polymers such as PDMS have seen wide application in medical applications. In January, 2021, the US-based chemical supplier Alfa Chemistry announced the launch of silicone polymers, which are versatile and flexible and can be used in many scenarios. Together with previously released ... Views: 334
2D materials are layered materials composed of single or multiple atomic layers in terms of thickness and stacked between van der Waals forces. Initially, 2D semiconducting materials mainly focused on carbon-based materials, such as carbon nanotubes and graphene. According to a study by IBM, ... Views: 351
Metal organic frameworks (MOFs) are a type of crystalline porous material with a periodic network structure formed by connecting and bridging inorganic metal centers (metal ions or metal clusters) with organic ligands. Because MOFs have many properties such as porosity, large specific surface ... Views: 430
Nanometer (nm) is a unit of length like meters and micrometers. One nanometre can be expressed in scientific notation as 1×10−9 m, which is similar to the size of chemical bonds. Nanotechnology is a science and technology that studies the law of motion and interaction of a system composed of ... Views: 608
Photosensitive materials are made up of polymers that can undergo rapid physical and chemical changes in a relatively short period of time after being irradiated by light. Photosensitive materials are advanced by high production efficiency, high energy utilization rate, low organic volatile ... Views: 323
The composition of cosmetics is very complex and varies with different types. Most cosmetics are processed from the cosmetic matrix (base) plus some other necessary ingredients (additives). Cosmetic substrates are the basic raw materials of cosmetics. They are mainly oily raw materials, ... Views: 313
Microspheres play a crucial role in the field of pharmaceuticals, biotechnology, and materials science due to their unique properties and applications. These spherical particles, ranging from a few micrometers to several millimeters in size, have a wide range of uses, including drug delivery ... Views: 217
People who want to market their either Class I or Class II device products in the U.S, and the device is not exempt from 510(k), must file a Premarket Notification with the FDA, it is also known as FDA 510(k) submission. The 510(k) is a complex application to the FDA, because the application is ... Views: 197
Surfactants have become a flexible and diverse class of fine chemical products due to their physical and chemical effects such as wetting or anti-sticking, emulsification or demulsification, foaming or defoaming, solubilization, dispersion, washing, anti-corrosion, etc. Currently, surfactants ... Views: 464
Introduction of Cocamidopropyl Hydroxysultaine
Cocamidopropyl hydroxysultaine is a synthetic surfactant and foam booster that is commonly used in personal care and cleaning products. It is derived from coconut oil and is known for its gentle cleansing and conditioning properties. Cocamidopropyl ... Views: 209
The basic requirements of pharmaceutical preparations are safety, efficacy, and stability. Drug stability means that a drug product should maintain the same properties and characteristics as it was at the time of production and within the specified time frame. The stability of pharmaceutical ... Views: 367
Electroplating intermediates refer to a class of fine chemicals used as electroplating additives. Unlike the salt used in the plating production process, the electroplating intermediate is an additive material for electroplating modification in terms of grain size, gloss, thickness, and plating ... Views: 279
Microbial limit test is performed to determine whether drug products comply with an established specification for microbial quality. USP and USP for objectionable organisms are usually the guidelines for testing as specified by FDA requirements. In most cases, the microbial limit test covers ... Views: 361
What is the Chemical Formula of Polycaprolactone?
Polycaprolactone is an organic high molecular polymer with the chemical formula (C6H10O2)n. It has the property of being well soluble in aromatic compounds, ketones and polar solvents. It is made of ring-opening polymerization of ε-caprolactone ... Views: 235
What is the Chemical Formula of Polycaprolactone?
Polycaprolactone is an organic high molecular polymer with the chemical formula (C6H10O2)n. It has the property of being well soluble in aromatic compounds, ketones and polar solvents. It is made of ring-opening polymerization of ε-caprolactone ... Views: 240
Pharmaceutical excipients are natural or synthetic substances formulated together with the active ingredients of the drug, whose purpose is to increase the formulations containing effective active ingredients or endow the active ingredients in the final dosage form with therapeutic effects, such ... Views: 433
History of Development
As early as 1985, the discovery of fullerene with the “football” structure immediately attracted the world’s attention. Then, carbon nanotubes with a hollow cylindrical structure are formed based on mild modifications toward fullerenes. In 1991, Japanese researchers ... Views: 281
Having gained worldwide recognition as a trust-worthy third-party testing organization, T,C&A Lab, a branch of Alfa Chemistry, recently announces to start to provide wood testing, which is easy, fast and efficient, for customers who need to make sure their wood raw materials, components or ... Views: 284
Introduction
Zinc gluconate is a white to almost white solid that is soluble in water, practically insoluble in anhydrous ethanol and methylene chloride. It is a popular form for the delivery of zinc as a dietary supplement providing 14.35% elemental zinc by weight. It is also used to treat the ... Views: 245
Introduction
Zinc gluconate is a white to almost white solid that is soluble in water, practically insoluble in anhydrous ethanol and methylene chloride. It is a popular form for the delivery of zinc as a dietary supplement providing 14.35% elemental zinc by weight. It is also used to treat the ... Views: 0