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What is the CAS No. of Carbomer?
Carbomer series products are currently a very popular raw material on the market. Many purchase or sales may find that online Carbomer has many different CAS numbers, such as 9003-01-4, 9007-17-4, 9007-20-9 and so on, it is very headache, so which one is accurate?
Generally speaking, each substance has a CAS number corresponding to one to one. Why is the carbomer CAS number so chaotic? This also depends on the characteristics of Carbomer products. Carbomer is a cross-linked acrylic polymer with good gel, adhesion, thickening, emulsifying, suspending and film forming properties, and its chemical properties are stable and safe, without irritation and allergic reactions . Because it is a high-molecular polymer, different types of carbomer products are different; on the other hand, due to their good performance, they are widely used in various industries such as daily chemical, skin care, medicine, etc. The instructions are also different. As a result, its cas number is more confusing in use.
Generally speaking, because there are too many types of polymer, the molecular structure and degree of polymerization are different, so many manufacturers directly use the cas number of their polymerized monomers. For example, many manufacturers of carbomers use the cas number of polyacrylic acid, which is 9003-01-4, so it also causes carbomer 940, carbomer 980 and other different products to use the same cas number.
On one hand, some chemical products have more common names, and even have many irregular names, which also leads to the confusion of the name and the cas number. For example, polyacrylic acid and polycarboxyvinyl are actually the same thing, and carboxyvinyl is another name for acrylic acid. Law, after all, many people who are engaged in this work are not professional backgrounds, and do not understand standard names or some non-standard common names.
On the other hand, in fact, CAS has some loopholes when it is included. Some substances do not correspond to cas numbers, and some substances have multiple cas numbers, and some cas numbers have been abolished. EDTA tripotassium, disodium citrate, etc. have different cas numbers due to different crystal water states, as well as various isomers such as enzyme preparations, vitamins, and sugars. The optical rotation also has different cas numbers. Carbomer's other cas numbers are actually numbers of different models or different designations, which are confusingly used in the market.
The classification of high molecular polymers such as carbomers with cas numbers is not convenient in reagent production applications, so there is no need to struggle with which one is accurate. Of course, this is only limited to the sales market. Desheng Technology is professional and rigorous in the production and development of Carbomer. Carbomer produced by our company strictly conforms to national standards and gradually moves closer to the standards of international first-class product companies. Desheng is responsible for the development of domestic raw materials.