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  4. Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7
Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7
  • Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7
  • Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7
  • Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7
  • Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7
  • Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7

Water-soluble UVB absorber 2-Phenylbenzimidazole-5-Sulfonic Acid, CAS No.: 27503-81-7

FOB Price: $30.35- $150
|
1 Kilogram (Min. Order)
  • MOQ.: 1 Kilogram
  • Packaging: 1kg per Aluminum Foil Bag, 5kg per Carton, 10kg per Carton or 25kg per Fibre Drum
  • Port Shanghai or Beijing
  • Lead Time Within 10 days after receiving advanced payment
Quick Details
AppearanceWhite to off-white powder
Identity UVComplies with the Standard
Identity IRComplies with the Standard
Assay by HPLC98.0% ~ 102.0%
UV Specific Extinction (E1%, 1cm at 302±2nm)920 ~ 1000
Loss on DryingNot more than 2.0%
Product Details

Chemical Name: 2-Phenylbenzimidazole-5-Sulfonic Acid

Synonyms: Ensulizole; Ultraviolet absorbent UV-T; UV-T; Novantisol; UV absorber-T; PBSA; 2-phenyl-1H-benzimidazole-6-sulfonate; 2-Phenyl-1H-benimidazole,sulfonicacid; 2-phenyl-1h-benzimidazole-5-sulfonicaci; 2-phenyl-1H-benzimidazole-6-sulfonic acid; 2-phenyl-1H-benzimidazole-5-sulphonic acid; 2-phenyl-1h-benzo[d]imidazole-5-sulfonic acid; 2-Phenyl-1H-benzo[d]imidazole-5-sulphonic acid

CAS No.: 27503-81-7

EINECS No.: 248-502-0

Molecular Formula: C13H10N2O3S

HS Code: 2933990099

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Brief Introduction:

2-Phenylbenzimidazole-5-Sulfonic Acid, also known as Ensulizole or UV-T, which is a sulfonated UV absorber. As a water-soluble high-efficiency UVB absorber, its UV absorption rate at about 302nm is at least 920, and it can also absorb a small part of the UVA band.

2-Phenylbenzimidazole-5-Sulfonic Acid is often used in conjunction with other ingredients such as Avobenzone, Titanium Dioxide, Zinc Oxide, Bis-ethylhexyloxyphenol Methoxyphenyl Triazine or Methylene Bis-Benzotriazolyl Tetramethylbutylphenol. When exposed to sunlight, its protective ability and quality will not gradually decrease over time.

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Specifications of our 2-Phenylbenzimidazole-5-Sulfonic Acid (UV-T):

Test Items Specifications Test Methods
Appearance White to off-white powder Visual
Identity UV Complies with the Standard UV USP<197U>
Identity IR Complies with the Standard UV USP<197K>
Assay by HPLC 98.0% ~ 102.0% USP Monograph:  Ensulizole
UV Specific Extinction (E1%, 1cm at 302±2nm) 920 ~ 1000 Spectrophotometric
Loss on Drying Not more than 2.0% USP Monograph:  Ensulizole

UV Absorber Ensulizole(UV-T) is Mainly Used in the Following Fields:

1. Daily Cosmetics: 2-Phenylbenzimidazole-5-Sulfonic Acid is widely used in sunscreen, lipstick, lotion, foundation and other cosmetics to protect the skin from ultraviolet damage.

2. Plastic Products: 2-Phenylbenzimidazole-5-Sulfonic Acid can be used as an ultraviolet absorber for plastic products, which can effectively extend the life of plastic products when used outdoors and prevent plastic materials from aging and yellowing.

3. Coatings and Inks: 2-Phenylbenzimidazole-5-Sulfonic Acid can also be used in coatings and inks to protect surfaces from ultraviolet rays and prevent color fading and surface aging.

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Packaging:

1kg/Aluminum Foil Bag, 20kg/Carton, 25kg/Carton or according to the specific requirements from customers.

Storage Conditions:

2-Phenylbenzimidazole-5-Sulfonic Acid should be preserved in unopened original containers in a cool dry place before using; kept away from direct sunlight, heat and moisture.

Shelf Life:

24 months if stored under above mentioned conditions.

DALIAN HANDOM CHEMICALS CO.,LTD.
China

RM702, Unit 1, Building 21, Liuhe Road, Ganjingzi Dist, Dalian, Liaoning, China

Contact Person

John Wang

See Phone Number