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CAS 6542-37-6 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 3452215/10/2010

HYDROXYMETHYL DIOXOAZABICYCLOOCTANE

1H,3H,5H-Oxazolo[3,4-c]oxazole-7a(7H)-methanol

HYDROXYMETHYL DIOXOAZABICYCLOOCTANE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 6542-37-6

CAS 6542-37-6PubChem CID 62612

Hydroxymethyl dioxoazabicyclooctane

IUPAC name: 1,3,5,7-tetrahydro-[1,3]oxazolo[3,4-c][1,3]oxazol-7a-ylmethanol

Molecular formula: C6H11NO3
Molecular weight: 145.16 g/mol
Exact mass: 145.07389321 Da
XLogP3: -1.1
Topological polar surface area: 41.9 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

1H,3H,5H-Oxazolo[3,4-c]oxazole-7a(7H)-methanolOxazolidine TZoldine ZT 55M 3 (heterocycle)Bonding agent M 3Zoldine ZT 40Zoldine ZT 65Zoldine ZT 100

16 more reported names

M 3 (curing agent)Caswell No. 495AB5-Hydroxymethyl-1-aza-3,7-dioxabicyclo(3.3.0)octane1H,3H,5H-Oxazolo(3,4-c)oxazole-7a(7H)-methanolEINECS 229-457-61-Aza-3,7-dioxa-5-hydroxymethylbicyclo(3.3.0)octane1EW6VI91PTEPA Pesticide Chemical Code 107002NSC 270787BRN 01073441-Aza-5-methylol-3,7-dioxabicyclo(3.3.0)octaneZOLDINE ZT7-Hydroxymethyl-1,5-dioxo-3-aza-bicyclooctaneNSC-2707871-Aza-3,7-dioxabicyclo(3.3.0)oct-5-ylmethanol5-Methylol-1-aza-3,7-dioxabicyclo(3.3.0)octane

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External database identifiers

EPA DTXSID:DTXSID4034289

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for HYDROXYMETHYL DIOXOAZABICYCLOOCTANE

INCI name

HYDROXYMETHYL DIOXOAZABICYCLOOCTANE

Description

1H,3H,5H-Oxazolo[3,4-c]oxazole-7a(7H)-methanol

Record provenance

Inventory reference: 34522
Imported identity: HYDROXYMETHYL DIOXOAZABICYCLOOCTANE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for HYDROXYMETHYL DIOXOAZABICYCLOOCTANE

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Key data

CAS

6542-37-6

229-457-6

Restriction

—

Function

ANTIMICROBIAL: Preventing and/or slowing down microbial growth.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#13309 · HYDROXYMETHYL DIOXOAZABICYCLOOCTANE

Ingredients with overlapping formulation functions

HYDROXYDICHLORODIPHENYL ETHERANTIMICROBIAL

HYDROXYETHYL FURANHYDROXYNAPHTHOQUINONEANTIMICROBIAL, ANTIOXIDANT

HYDROXYETHYL ISOBUTYL PIPERIDINE CARBOXYLATEANTIMICROBIAL

HYDROXYLATED FULLERENESANTIMICROBIAL, SKIN CONDITIONING

HYDROXYPROPYL BISTRIMONIUM DIIODIDEANTIMICROBIAL

HYPERICUM PERFORATUM EXTRACTANTIMICROBIAL, ASTRINGENT, FRAGRANCE, SKIN CONDITIONING, SKIN PROTECTING, SOOTHING, TONIC

HYPERICUM PERFORATUM FLOWER/TWIG EXTRACTANTIMICROBIAL, ANTIPERSPIRANT, SKIN CONDITIONING

HYPERICUM PERFORATUM PHYTOPLACENTA CULTURE EXTRACTANTIMICROBIAL, ANTIOXIDANT, HAIR CONDITIONING, HUMECTANT

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How HYDROXYMETHYL DIOXOAZABICYCLOOCTANE appears in the CosIng inventory

The CosIng inventory lists HYDROXYMETHYL DIOXOAZABICYCLOOCTANE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

HYDROXYMETHYL DIOXOAZABICYCLOOCTANE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

HYDROXYMETHYL DIOXOAZABICYCLOOCTANE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, HYDROXYMETHYL DIOXOAZABICYCLOOCTANE carries the following function designation(s):

ANTIMICROBIAL

CAS 6542-37-6 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for HYDROXYMETHYL DIOXOAZABICYCLOOCTANE

This page reproduces the CosIng inventory entry for HYDROXYMETHYL DIOXOAZABICYCLOOCTANE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research HYDROXYMETHYL DIOXOAZABICYCLOOCTANE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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