
Name: Quaternium-73
Cas: 15763-48-1
Purity: 99%
MOQ: 1KG
Directory Guidance on Quaternium-73
Chemical Structure

Basic Info
Quaternium 73 is an odorless yellow powder. It is also an acne and acne suppressant with antibacterial properties. High safety, excellent thermal and photostability. Stable within a pH range between 5.5 to 8. Quaternium 73 is a great acne-removing ingredient.
Quaternium 73 inhibits Propionibacterium acnes. Acne is caused by a number of factors, including excessive sebum production, blocked sebaceous glands in hair follicles, infection and inflammation.
Acne is caused by a number of factors, including excessive sebum production, blockage of the sebaceous glands in hair follicles, bacterial infection, and inflammation. Quaternium 73 is also effective in eliminating acne, as it inhibits Propionibacterium acnes. It works at extremely low concentrations of 0.008%. It has a wider jurisdiction than BPO and also has a strong inhibiting effect on Malassezia, a skin fungus. Quaternium 73 has a similar effect on fungal acne.
Product Introduction
Quaternium-73 Basic information |
Product Name: | Quaternium-73 |
Synonyms: | 3-heptyl-2-[(3-heptyl-4-methyl-3H-thiazol-2-ylidene)methyl]-4-methylthiazolium iodide;QUATERNIUM-73;(2E)-3-heptyl-2-[(3-heptyl-4-methyl-1-thia-3-azoniacyclopenta-2,4-dien-2-yl)methylidene]-4-methyl-1,3-thiazole iodide;2-[(2,3-Dihydro-3-heptyl-4-methylthiazole-2-ylidene)methyl]-3-heptyl-4-methylthiazole-3-ium·iodide;Pionin;BIOXYNE;Thiazolium,3-heptyl-2-[(3-heptyl-4-methyl-2(3H)-thiazolylidene)methyl]-4-methyl-, iodide(1:1);Quaternium-73,Pionin,Purinin |
CAS: | 15763-48-1 |
MF: | C23H39IN2S2 |
MW: | 534.6 |
EINECS: | 239-852-5 |
Product Categories: | 15763-48-1;API |
Mol File: | 15763-48-1.mol |
Product Name | Quaternium-73 |
brand | China Lookchemical |
Specification | 99% |
MOQ | 1KG |
Storage conditions | Store in cool & dry place, Keep away from strong light and heat. |
Sample | Available |
Product Packaging

The efficacy of Quaternium-73
1. Acne suppressants
Quaternium-73 works by inhibiting Propionibacterium acnes to eliminate acne, and can be effective at very low concentrations (0.004%). Its jurisdiction is wider than that of BPO, and it also has a strong inhibitory effect on the skin fungus Malassezia. Therefore, Quaternium-73 also has a certain effect on fungal acne.
2. Inhibit melanin
Quaternium-73 has a MIC of 0.00002% against Propionibacterium acnes. After two weeks of use, acne can be reduced by 50%. At a dosage of 0.007%, it completely inhibits the formation of melanin, which is superior to quercetin. High safety, good thermal stability, stable usage within the pH range of 5.5 to 8.0, and high cost-effectiveness
3. Anti inflammatory
Sebaceous glands produce excessive sebum under androgen stimulation; Excessive and abnormal keratinization of hair follicles, leading to blockage; Blockage of hair follicle opening can create an anaerobic environment, leading to excessive proliferation of anaerobic bacteria Propionibacterium acnes; The metabolites of Propionibacterium acnes can induce or exacerbate inflammation, manifested as papules, pustules, or nodules. Quaternium-73 can first inhibit Propionibacterium acnes, then reduce inflammation on the skin, and finally unclog pores to eliminate acne from the root and avoid recurrence.
So, if you have been suffering from acne but can’t distinguish which bacteria are causing it, then Quaternium-73 is more suitable as a “panacea”. This ingredient is not only used for acne treatment, but also has potential applications for various skin problems caused by bacteria and fungi. And it is relatively mild, with a certain whitening effect.
Related References
Wikipedia-Quaternium-73
Manufacturer of Quaternium-73
China Lookchemical is based in Shandong, serves the whole country, faces the world, and is determined to become an excellent supplier and service provider in the chemical industry.
As a top manufacturer of surfactant,cosmetic raw materials, disinfectants, flavors, and fragrances in China, we are committed to producing high-quality products and have won high praise from customers all over the world.
In the next 10 years or even longer, Lookchemical will always adhere to the tenet of quality first and reputation first, and devote itself to providing customers with thoughtful and perfect services.
As a professional Quaternium-73 manufacturer, Look Chemical has served more than 6,000 customers around the world. Because of our high-quality products and professional services, we have won high praise from most of our customers.
Pre-Sales Service
*The company cooperates with research institutes. We strictly control the process of raw materials up to the finished product.
*Dedicated to serving customers first, we provide reasonable prices, high quality products and timely delivery and follow-up services.
* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.
* The sample supports testing and inspection.
* Each batch of products will be tested to ensure that its quality meets user needs.
*Packaging can also be made according to customer requirements.
*Any inquiries will be answered by our relevant personnel within 24 hours.
*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.
After-Sales Service
*We will monitor the logistics information in real time and will share the information with you.
* You can consult us at any time if you have any questions about the product, and we will answer you in time.
*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.
To ensure the convenience of clients,we always set accurate reply for crucial question.Clients will get answer by inputting “keywords”to help clients solve relevant questions.
DO YOU ACCEPT SAMPLE ORDER?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
WHAT’S YOUR MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
IS THERE A DISCOUNT?
Different quantity has different discount.
HOW TO CONFIRM WHETHER THE PRODUCT QUALITY MEETS OUR NEEDS BEFORE PLACING AN ORDER?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
DO YOU SUPPLY PRODUCT REPORT?
Yes. We’ll give you product analysis report before shipping.
LEARN MORE ABOUT US
Shandong Look Chemical
1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
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.
Company Info
At the same time, we can also provide customers with excellent transportation services. Adhere to customer centricity and integrity as the source of development, and gradually improve the company’s various systems. We are high-quality management personnel who have been engaged in chemical trade for many years, with a modern market management philosophy, and constantly explore customer market demands using flexible methods.

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