Skip to content
  • industrial

7-Oxa-3,20-diazadispiro-[5.1.11.2]-heneicosan-21-one, 2,2,4,4-tetramethyl-, hydrochloride, reaction products with epichlorohydrin, hydrolyzed, polymerized

CAS 202483-55-4

Concern score

Not assessed — no hazard data yet.

7-Oxa-3,20-diazadispiro-[5.1.11.2]-heneicosan-21-one, 2,2,4,4-tetramethyl-, hydrochloride, reaction products with epichlorohydrin, hydrolyzed, polymerized in plain language

What it is

Also known as Polyolefin Stabilizer · HALS (Hindered Amine Light Stabilizer) ; Radical Scavenger · Hindered Amine · Oligomeric hindered amine light stabilizer · Sterically hindered amine · hostavin n 30

What it does

Used in consumer products as an antioxidant.

  • Antioxidant
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. 7-Oxa-3,20-diazadispiro-[5.1.11.2]-heneicosan-21-one, 2,2,4,4-tetramethyl-, hydrochloride, reaction products with epichlorohydrin, hydrolyzed, polymerized appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observed2 entries
    • EPA CPDat observed this chemical in 3 composition records across product categories including Construction and building materials. EPA CPDat classifies this chemical for functional uses including UV stabilizer.Source →
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Antioxidant, UV stabilizer.Source →

Evidence & sources

No graded research studies for 7-Oxa-3,20-diazadispiro-[5.1.11.2]-heneicosan-21-one, 2,2,4,4-tetramethyl-, hydrochloride, reaction products with epichlorohydrin, hydrolyzed, polymerized yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated january 26, 2017

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

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

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed 7-Oxa-3,20-diazadispiro-[5.1.11.2]-heneicosan-21-one, 2,2,4,4-tetramethyl-, hydrochloride, reaction products with epichlorohydrin, hydrolyzed, polymerized in a product composition. These are source records, not Greenveil catalog products.

Source records

3

Named organisations

3

Construction and building materials

Typical roles

Antioxidant
See products using 7-Oxa-3,20-diazadispiro-[5.1.11.2]-heneicosan-21-one, 2,2,4,4-tetramethyl-, hydrochloride, reaction products with epichlorohydrin, hydrolyzed, polymerized →