Description

Tea-Phenylbenzimidazole Sulfonate is a specialized organic compound widely recognized for its role as a highly effective ultraviolet (UV) filter. This material is valued for its ability to provide broad-spectrum protection, particularly against UVA rays, and its favorable safety profile. It is a critical ingredient for manufacturers in the personal care and pharmaceutical industries seeking to develop high-performance sun care products and photostable formulations.

Application

This UV-absorbing agent is engineered for advanced formulation needs across several key sectors:

• Primary Sunscreen Agent: A key active ingredient in sunscreens, sunblocks, and daily moisturizers with SPF for broad-spectrum UVA/UVB protection.
• Cosmetic & Skincare Formulations: Used in anti-aging creams, lotions, foundations, and lip balms to protect skin from photoaging and UV damage.
• Pharmaceutical Topicals: Incorporated into medicated creams and ointments where UV protection is required to stabilize active pharmaceutical ingredients (APIs).
• Hair Care Products: Added to hair sprays, gels, and treatments to prevent UV-induced color fading and protein degradation.
• Industrial Coatings & Plastics: Serves as a light stabilizer in polymers, paints, and coatings to enhance durability and prevent yellowing or degradation from sunlight exposure.

Basic Information

Product Name	Tea-Phenylbenzimidazole Sulfonate
CAS No.	73705-00-7
Molecular Formula	C20H17N3O3S
Molecular Weight	379.43 g/mol
Synonyms	Ensulizole; Phenylbenzimidazole Sulfonic Acid, TEA Salt; 2-Phenylbenzimidazole-5-sulfonic acid, triethanolamine salt; TEA-Phenylbenzimidazole Sulfonate; Eusolex 232; Neo Heliopan Hydro; Parsol HS; UV Absorber 73705-00-7; 2-Phenyl-1H-benzimidazole-5-sulfonic acid compound with 2,2',2''-nitrilotris(ethanol) (1:1)
EINECS	Contact for details

Quality Control

Our Tea-Phenylbenzimidazole Sulfonate is produced under a strict quality management system. Each batch is tested to ensure it meets stringent specifications for purity, identity, and performance as a UV filter. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, related substances, and heavy metals, supporting compliance with global cosmetic and pharmaceutical ingredient standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 20 ppm
pH (in solution)	6.0 - 8.0

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.