What other records share CAS 4098-71-9?

CAS 4098-71-9 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.

How do I check if my formula contains ISOPHORONE DIISOCYANATE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9315508/10/2015

ISOPHORONE DIISOCYANATE

IPDI

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

INCI Checker Compare all markets Search similar

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.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 4098-71-9

CAS 4098-71-9PubChem CID 169132

Isophorone diisocyanate

Isophorone diisocyanate is a diisocyanate in which the two isocyanate groups are linked by an isophorone substituent. It is functionally related to an isophorone. — ChEBI

IUPAC name: 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane

Molecular formula: C12H18N2O2
Molecular weight: 222.28 g/mol
Exact mass: 222.136827821 Da
XLogP3: 4.5
Topological polar surface area: 58.9 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

IPDIIsophorone diamine diisocyanateCyclohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate3-Isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanateIsocyanic acid, methylene(3,5,5-trimethyl-3,1-cyclohexylene) esterCHEBI:532143,3,5-Trimethyl-5-(isocyanatomethyl)cyclohexyl isocyanate

16 more reported names

43B08565281,3,3-Trimethyl-1-(isocyanatomethyl)-5-isocyanatocyclohexane1-(Isocyanatomethyl)-5-isocyanato-1,3,3-trimethylcyclohexane1-Isocyanato-3,3,5-trimethyl-5-(isocyanatomethyl)cyclohexane1-Isocyanato-3-(isocyanatomethyl)-3,5,5-trimethylcyclohexaneRefChem:76413-isocyanatomethyl-3,5,5-trimethylcyclohexyl-isocyanate223-861-61-isocyanato-3-isocyanatomethyl-3,5,5-trimethylcyclohexaneCAS-4098-71-9CCRIS 6252HSDB 6337EINECS 223-861-6UN2290BRN 2726467Vestanat IPDI

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:53214
ChEMBL:CHEMBL1509442
EPA DTXSID:DTXSID0023826
PubMed:29594315
PubMed:23564646
PubMed:23067057
PubMed:22892194
PubMed:22777783
PubMed:22500941
PubMed:22482877
PubMed:22428543
PubMed:22271418
PubMed:22237013
PubMed:22195859
PubMed:22163899

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 ISOPHORONE DIISOCYANATE

INCI name

ISOPHORONE DIISOCYANATE

Description

IPDI

Record provenance

Inventory reference: 93155
Imported identity: ISOPHORONE DIISOCYANATE
Source update: 08/10/2015

European Commission CosIng source notes

Annex records for ISOPHORONE DIISOCYANATE

Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search annex entries

Search the annex database for entries matching ISOPHORONE DIISOCYANATE or related substances.

Key data

CAS

4098-71-9

223-861-6

Restriction

—

Function

FILM FORMING: Producing (upon application) a continuous film on the skin, hair or nails.

Official EU ingredient-name evidence

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

#13817 · ISOPHORONE DIISOCYANATE

Ingredients with overlapping formulation functions

ISOBUTYLPHENOXY EPOXY RESINFILM FORMING

ISOMERIZED LINOLEIC ACIDFILM FORMING, SKIN CONDITIONING

ISOPHORONE DIAMINE/CYCLOHEXYLAMINE/ISOPHTHALIC ACID/AZELAIC ACID COPOLYMERFILM FORMING

ISOPHORONE DIAMINE/ISOPHTHALIC ACID/TRIMETHYLOLPROPANE COPOLYMERFILM FORMING

ISOPHORONEDIAMINE/ISOPHTHALIC ACID/PENTAERYTHRITOL COPOLYMERFILM FORMING

ISOPHTHALIC ACID/PENTAERYTHRITOL CROSSPOLYMER BENZOATE/ISOSTEARATEFILM FORMING, VISCOSITY CONTROLLING

ISOPRENE/MA/METHOXY PEG-40 COPOLYMERFILM FORMING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

ISOPROPYL CYANOACRYLATEFILM FORMING

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 ISOPHORONE DIISOCYANATE appears in the CosIng inventory

The CosIng inventory lists ISOPHORONE DIISOCYANATE 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.

ISOPHORONE DIISOCYANATE 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

ISOPHORONE DIISOCYANATE 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, ISOPHORONE DIISOCYANATE carries the following function designation(s):

FILM FORMING

CAS 4098-71-9 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.

View CAS records

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Open INCI Checker

Source note for ISOPHORONE DIISOCYANATE

This page reproduces the CosIng inventory entry for ISOPHORONE DIISOCYANATE 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 ISOPHORONE DIISOCYANATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect ISOPHORONE DIISOCYANATE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to ISOPHORONE DIISOCYANATE, its identifiers or nearby name variants.