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InventoryRef 3460015/10/2010

ISOBUTOXYPROPANOL

1-Isobutoxypropan-2-ol

ISOBUTOXYPROPANOL 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 23436-19-3
CAS 23436-19-3PubChem CID 31904

1-Isobutoxypropan-2-ol

IUPAC name
1-(2-methylpropoxy)propan-2-ol
Molecular formula
C7H16O2
Molecular weight
132.20 g/mol
Exact mass
132.115029749 Da
XLogP3
1.2
Topological polar surface area
29.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

2-Propanol, 1-(2-methylpropoxy)-1-(2-Methylpropoxy)-2-propanolRefChem:433292245-663-91-ISOBUTOXY-2-PROPANOLDowanol pib-TDowanol PiBT2-Propanol, 1-isobutoxy-
9 more reported names
Propylene glycol monoisobutyl ether2-Propanol,1-isobutoxy-,EINECS 245-663-9BRN 17339093-01-00-02148 (Beilstein Handbook Reference)I-butoxy-2-propanol1-isobutoxy-2-propanol, AldrichCPRDB-282235EN300-6767147
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 ISOBUTOXYPROPANOL

INCI name

ISOBUTOXYPROPANOL

Description

1-Isobutoxypropan-2-ol

Record provenance

Inventory reference
34600
Imported identity
ISOBUTOXYPROPANOL
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
23436-19-3
EC
245-663-9
Restriction
—
Function
SOLVENT
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).
SURFACTANT - CLEANSING
Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
VISCOSITY CONTROLLING
Increasing or decreasing the viscosity (thickness) of cosmetics.

Official EU ingredient-name evidence

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

#13671 · ISOBUTOXYPROPANOL

Ingredients with overlapping formulation functions

HYDROXYISOPROPYL METHACRYLATESOLVENT
HYDROXYPROPYLENE CARBONATESOLVENT
ISOAMYL ACETATESOLVENT
ISOBORNYL DIPROPYLENE GLYCOL ETHERSANTIFOAMING, EMULSION STABILISING, SOLVENT, VISCOSITY CONTROLLING
ISOBUTYL ACETATEPERFUMING, SOLVENT
ISOBUTYL BENZOATEFRAGRANCE, PRESERVATIVE, SOLVENT
ISODODECANEPERFUMING, SKIN CONDITIONING - EMOLLIENT, SOLVENT
ISOEICOSANESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How ISOBUTOXYPROPANOL appears in the CosIng inventory

The CosIng inventory lists ISOBUTOXYPROPANOL 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.

ISOBUTOXYPROPANOL is also tagged with 3 cosmetic functions 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

ISOBUTOXYPROPANOL 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, ISOBUTOXYPROPANOL carries the following function designation(s):

CAS 23436-19-3 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 ISOBUTOXYPROPANOL

This page reproduces the CosIng inventory entry for ISOBUTOXYPROPANOL 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 ISOBUTOXYPROPANOL 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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