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1,2,3,4,5,6-Hexachlorocyclohexane (BHC-ISO)

CAS 58-89-9 · 100/100 · High conf.

Also registered as 5 other CAS numbers

8007-42-9 · 8073-23-2 · 25897-48-7 · 53529-37-6 · 55963-79-6

Concern score

100/100Critical concern based on regulatory listings.
High confidence

1,2,3,4,5,6-Hexachlorocyclohexane (BHC-ISO) in plain language

What it is

Also known as Lindane · Gamma benzene hexachloride · Gammahexachlorcyclohexane · Gamma-HCH · Bhc · (1R,2R,3S,4R,5R,6S)-1,2,3,4,5,6-HEXACHLOROCYCLOHEXANE

Show all 20 names

(1R,2S,3r,4R,5S,6r)-1,2,3,4,5,6-Hexachlorocyclohexane · Benzene hexachloride gamma · γ-1,2,3,4,5,6-Hexachlorocyclohexane · γ-hch · (1α,2α,3β,4α,5α,6β)-1,2,3,4,5,6-Hexachlorocyclohexane · 1,2,3,4,5,6-G-HEXACHLOROCYCLOHEXANE · Aalindan · Aficide · Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1α,2α,3β,4α,5α,6β)- · Gamene · Kwell · Scabene · gamma-1,2,3,4,5,6-Hexachlorocyclohexane · gamma-Hexachlorocyclohexane

What it does

Used in consumer products as an antimicrobial.

  • Antimicrobial
Is it a concern?
Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

1,2,3,4,5,6-Hexachlorocyclohexane (BHC-ISO) is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

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

Restrictions first, then routine listings from published regulatory sources.

  • EU Annex II — prohibited
  • EU prohibited in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Pharma
  • Food
  • Industrial

  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

    banned
    View source →
  • EUCosIngActiveCosmetics Regulation annex II / ref 195.
    • Cosmetics Regulation annex II / ref 195.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 77 composition records across product categories including Laboratory supplies, Electronics/small appliances, Pesticides. EPA CPDat classifies this chemical for functional uses including Biocide, Degradant/impurity.
    • EPA CPDat observed this chemical in 77 composition records across product categories including Laboratory supplies, Electronics/small appliances, Pesticides. EPA CPDat classifies this chemical for functional uses including Biocide, Degradant/impurity.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 1,2,3,4,5,6-Hexachlorocyclohexane (BHC-ISO). 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.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for 1,2,3,4,5,6-Hexachlorocyclohexane (BHC-ISO) yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2010-10-21

    Open →

  • EPA Chemical and Products Database

    exposure · updated September 2001

    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 →

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 1,2,3,4,5,6-Hexachlorocyclohexane (BHC-ISO) in a product composition. These are source records, not Greenveil catalog products.

Source records

77

Named organisations

6

Laboratory suppliesElectronics/small appliancesPesticidesPersonal careFood and drugLandscape/yard

Typical roles

Antimicrobial
See products using 1,2,3,4,5,6-Hexachlorocyclohexane (BHC-ISO) →