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Belguard PBSA (Phenylbenzimidazole sulfonic acid) is a UV-B filter that absorbs UV light between 280-340 nm to protect skin from sunburn and cancer. Due to its water solubility, it fits perfectly for sun care without oil or exceeding the contents of oil.

INCI Name: Phenylbenzimidazole Sulfonic Acid

Functions: UV Filter

Benefit Claims: Skin Protection, UV Protection

Synonyms: 2-Phenyl-1H-1,3-benzodiazole-6-sulfonic acid, 2-Phenyl-1H-benzimidazole-5-sulfonic acid, 2-Phenyl-1H-benzimidazole-6-sulfonic acid, 2-Phenyl-1H-benzo[d]imidazole-5-sulfonic acid, 2-Phenyl-1H-benzoimidazole-5-sulfonic acid, 2-Phenyl-3 H-benzimidazole-5-sulfonic acid, 2-Phenyl-5-sulfobenzimidazole, 2-Phenylbenzimidazole-5-sulfonic acid, 2-Phenylbenzimidazole-6-sulfonic acid, Phenylbenzimidazolesulfonic acid, Ensulizole

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Knowde Enhanced TDS

Identification & Functionality

Cosmetic Ingredients Functions
CAS No.
27503-81-7
EC No.
248-502-0
Structure

BELGUARD PBSA - Structure

Features & Benefits

Applications & Uses

Application Format

Properties

Physical Form
Appearance
White to Pale beige Powder
Molecular Weight
274.3
Typical Properties
ValueUnitsTest Method / Conditions
OdorAlmost odourless
Assay98 - 102%. w/w
Loss on Dryingmax. 2%. w/w
Specific Absorbance (1%,1cm, at 302±2nm)920 - 990
Total Aerobic Count max. 100 CFU /gram
Total Yeast & Mould Countmax. 10 CFU /gram

Technical Details & Test Data

Concentration

In USA up to 4%, In Europe & Canada up to 8%, In Japan up to 3% and in China and India up to 4%.

Packaging & Availability

Packaging Type
Packaging

25 Kg in Cartons.

Storage & Handling

Storage

Store in tightly closed containers in cool & dry conditions. Keep away from direct sunlight.

Expiry Date

Two years from the date of manufacturing.