Food use
Nothing to weigh for this context yet.
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.
- beauty
- cleaning
Hydroxymethyl dioxoazabicyclooctane
CAS 59787-24-5
Also registered as 1 other CAS number
6542-37-6
Concern score
Not assessed — no hazard data yet.
Hydroxymethyl dioxoazabicyclooctane in plain language
Also known as 5-Hydroxymethyl-1-aza-3,7-dioxabicyclo(3.3.0)octane · 1-AZA-3,7-DIOXA-5-HYDROXYMETHYLBICYCLO(3.3.0)OCTANE · 1-AZA-5-METHYLOL-3,7-DIOXABICYCLO(3.3.0)OCTANE · 1H,3H,5H-OXAZOLO(3,4-C)OXAZOLE-7A,(7H)-METHANOL · 7-HYDROXYMETHYL-1,5-DIOXO-3-AZA-BICYCLOOCTANE · Oxazolidine t
Show all 17 names
OXAZOLO(3,4-C)OXAZOLE-7A(7H)-METHANOL, 1H,3H,5H- · 5-HYDROXYMETHYL-1-AZA-3,7-DIOXABICYCLO(3. 3.0)OCTANE · Bonding agent M 3 · Caswell No. 495AB · M 3 (curing agent) · M 3 (heterocycle) · Zoldine zt · Zoldine zt 55 · Zoldine ZT 100 · Zoldine ZT 40 · Zoldine ZT 65
Used in cosmetics as an antimicrobial.
- Antimicrobial
- Preservative
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Hydroxymethyl dioxoazabicyclooctane appears in these published regulatory listings.
- Found in consumer products
- Cleaning
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 6 composition records across product categories including Home maintenance, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Biocide, Preservative.
- EPA CPDat observed this chemical in 6 composition records across product categories including Home maintenance, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Biocide, Preservative.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 Hydroxymethyl dioxoazabicyclooctane. 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 Hydroxymethyl dioxoazabicyclooctane yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated January 7, 2008
- 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
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Fragrance avoidance
Nothing to weigh for this context yet.
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 Hydroxymethyl dioxoazabicyclooctane in a product composition. These are source records, not Greenveil catalog products.
Source records
6
Named organisations
6
Home maintenanceCleaning products and household care
Typical roles
AntimicrobialPreservative