Product Name:2-Phenylbenzimidazole-5-sulfonic acid
Purity:99%
Appearance:White Powder
Sample:Available
Storage:2-8°C
CAS No.: 27503-81-7
2-Phenylbenzimidazole-5-sulfonic acid Cas 27503-81-7
Typical Properties
Chemical Name:2-Phenylbenzimidazole-5-sulfonic acid
Cas No:27503-81-7
EINECS No:248-502-0
Molecular Weight:274.3
Molecular Formula:C13H10N2O3S
Molecular Structure:
| Item | Specification |
| Melting Point | >300 °C |
| Density | 1.3592 |
| Refractive index | 1.6360 |
| pKa | -0.87±0.40 |
| Loss on drying | ≤ 1.0% |
| Water Content | ≤1.0% |
Usage
A water-soluble UVB sunscreen agent with an absorption range of 290–340 nm. It is utilized in transparent sunscreen gels, sprays, water-based sunscreens, moisturizing sunscreens, and facial care products.
In hair care products, it serves as an anti-UV agent, preventing hair dryness, color fading, and photo-aging.
In skincare and cosmetics, it acts as a photostabilizer, protecting active ingredients from degradation caused by UV radiation.
It functions as a UV absorber in plastics, coatings, inks, and fibers.
It enhances the weather resistance of materials, preventing yellowing, aging, and loss of mechanical strength.
Packaging and Shipping
25kg/bag
According to customer requirments.
Inquiry Price for
2-Phenylbenzimidazole-5-sulfonic acid Cas 27503-81-7