What does Disodium phenyl dibenzimidazole tetrasulfonate do?

Used in cosmetics as a UV filter and a light stabiliser. Disodium Phenyl Dibenzimidazole Tetrasulfonate is the heterocyclic compound.

beauty
industrial

Disodium phenyl dibenzimidazole tetrasulfonate

CAS 214349-96-9 · 20/100 · High conf.

Also registered as 3 other CAS numbers

349580-12-7 · 405265-56-7 · 180898-37-7

Disodium phenyl dibenzimidazole tetrasulfonate chemical structure

Concern score

20/100Minor concern based on regulatory listings.

High confidence

Disodium phenyl dibenzimidazole tetrasulfonate in plain language

What it is: Also known as Bisdisulizole disodium · Bisimidazylate · Disodium phenyldibenzimidazoletetrasulfonate · MSK3452 · Neo heliopan AP · PDBT cpd
Show all 8 names
UNII-Z99XUY03BK · bisdisulizole disodium (USAN)
What it does: Used in cosmetics as a UV filter and a light stabiliser. Disodium Phenyl Dibenzimidazole Tetrasulfonate is the heterocyclic compound.
UV filter
UV absorber
Light stabilizer
Is it a concern?: Minor concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

What the listings say

Permitted, with conditions — Disodium phenyl dibenzimidazole tetrasulfonate appears on published "allowed" regulatory lists rather than on a restriction list.

Sodium salt of 2,2'-bis(1,4-phenylene)-1H-benzimidazole-4,6-disulfonic acid / Bisdisulizole disodium (USAN) is listed in Annex VI of the EU Cosmetics Regulation (EC) 1223/2009 (UV filters allowed in cosmetic products).

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Disodium phenyl dibenzimidazole tetrasulfonate appears in these published regulatory listings.

EU Annex VI — permitted UV filter
EU permitted UV filter

Recorded in these product areas

Found in consumer products
Industrial

EUCosIngActive2 entries
- Disodium Phenyl Dibenzimidazole Tetrasulfonate is the heterocyclic compound that conforms to the formula: Restriction: VI/24Source →
- Cosmetics Regulation annex VI / ref 24.Source →
EUECallowed_listedAnnex VI of EU Cosmetics Regulation (EC) 1223/2009: UV filters allowed in cosmetic products. Maximum concentration: 10%(as acid)
- Annex VI of EU Cosmetics Regulation (EC) 1223/2009: UV filters allowed in cosmetic products. Maximum concentration: 10%(as acid)Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including UV stabilizer.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including UV stabilizer.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Disodium phenyl dibenzimidazole tetrasulfonate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for Disodium phenyl dibenzimidazole tetrasulfonate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EU CosIng Cosmetics Regulation Annexes
regulatory · updated 2010-10-26
Open →
EPA Chemical and Products Database
exposure · updated 23/01/2020
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Disodium phenyl dibenzimidazole tetrasulfonate in a product composition. These are source records, not Greenveil catalog products.

Named organisations

Typical roles

UV filterUV absorberLight stabilizer

See products using Disodium phenyl dibenzimidazole tetrasulfonate →

Catalog

Found in these products

Cosmetic and personal-care products that list Disodium phenyl dibenzimidazole tetrasulfonate are shown first. Their ingredient lists include Disodium phenyl dibenzimidazole tetrasulfonate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 6 →Find products without it →