Basic Info:

  • Chemical Synonym(s): PHENYLBENZIMIDAZOLSULPHONICACID; Novantisol; 2-phenyl-1H-benzoimidazole-5-sulfonic acid; 2-Phenyl-1H-benzo[d]imidazole-5-sulfonic acid; Ensulizole;
  • Read More
  • CAS Number: 27503-81-7
  • Chemical Formula:


  • MSDS: Download


Melting Point
Flash Point
Water Solubility
Quote Now

We help you source Phenyl-Benzimidazole-Sulfonic-Acid in China

Our Advantages:

The current development of surfactant materials in China is very rapid, we can provide you with products of superior price and good quality, and the variety and quality of raw materials in China are constantly evolving, we have full ability to help you build high-quality lines of daily chemicals in China.

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

When selecting suppliers, our procurement specialists will audit the qualification of suppliers, conduct thorough investigations such as field visits and sample testing, and make ratings to ensure the authenticity and legality of supplier information.

We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.


We promise to immediately and unconditionally exchange or return the goods if they have quality problems. Our employees who deal with after-sales issues have many years of international work experience and are familiar with various processes in multinational work, so they can communicate and deal with after-sales issues without any obstacles.

Request a quote for Phenyl-Benzimidazole-Sulfonic-Acid


Phenyl-benzimidazole-sulfonic acid is a widely used chemical.

It has a high melting point due to the stability of its covalent bonds. It has a boiling point of about 343oC, which is expected for a compound containing two ionizable groups and an even number of carbon atoms.

It is an odorless white to light yellow crystalline powder used as a corrosion inhibitor in the organic chemical and pharmaceutical industries. It is also found in adhesive products, such as rubber adhesives and sealants for paper, foil, plastic, and wood.

It is used in sunscreens and other cosmetic and beauty products containing sunscreen or SPF ingredients because of its ability to block UV rays.


Phenyl-benzimidazole-sulfonic acid is a safe sunscreen ingredient and is mainly used in sunscreens. It can isolate UVB rays, although it does not protect against all wavelengths of UVA rays, so it needs to be used in combination with other chemicals, such as zinc oxide, titanium dioxide, etc.

It is used as a binder in paper or pulp, synthetic textiles, rubber industry, or flooring. The processable paste produced by the boiling process is smooth and soft. It has good adhesion to human skin.

It is used in pharmaceuticals, as an antioxidant, and as a growth promoter. Its applications in medicine include use as a protective agent against oxidation of drugs.

Applications in food include use as an antioxidant or antimicrobial agent or as an astringent due to its acidity. Feed additive applications are mainly for livestock production.

Related Products:

Diethyl ether

CAS Number: 60-29-7

Maleic anhydride

CAS Number: 108-31-6

Fish Collagen

CAS Number:

Bovine Collagen

CAS Number:

Porcine Collagen

CAS Number:

Stearamidopropyl Dimethylamine

CAS Number: 7651-02-7

Carboxymethyl cellulose

CAS Number: 9004-32-4
1 2 3 6