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InventoryRef 3448115/10/2010

HYDROXYBUTYL METHYLCELLULOSE

Cellulose, hydroxybutyl methyl ether

HYDROXYBUTYL METHYLCELLULOSE 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 9041-56-9
CAS 9041-56-9PubChem CID 3084047

Cellulose, hydroxybutyl methyl ether

IUPAC name
2,3,4-trimethoxy-6-(methoxymethyl)-5-[3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxyoxane;1-[[3,4,5-tris(2-hydroxybutoxy)-6-[4,5,6-tris(2-hydroxybutoxy)-2-(2-hydroxybutoxymethyl)oxan-3-yl]oxyoxan-2-yl]methoxy]butan-2-ol
Molecular formula
C64H124O30
Molecular weight
1373.6 g/mol
Exact mass
1372.81774253 Da
Topological polar surface area
365.0 Ų
Hydrogen-bond donors
8
Hydrogen-bond acceptors
30
Covalent units
2
Defined stereocentres
0

Also known as

RefChem:124312Hydroxybutyl methyl celluloseHydroxybutyl methylcellulose
Open full PubChem recordPubChem annotations3D structure image

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

What the official INCI name states

The official label identifies a biological source material and its stated preparation or plant part.

Identity type from wording
biological_material
Scientific-name candidates to verify against the supplier specification
Hydroxybutyl methylcellulose

This structure is derived only from the official label wording. It does not establish composition, concentration, chemical equivalence, safety or regulatory permission.

Inventory details for HYDROXYBUTYL METHYLCELLULOSE

INCI name

HYDROXYBUTYL METHYLCELLULOSE

Description

Cellulose, hydroxybutyl methyl ether

Record provenance

Inventory reference
34481
Imported identity
HYDROXYBUTYL METHYLCELLULOSE
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
9041-56-9
EC
—
Restriction
—
Function
BINDING
Providing adhesive properties during and after compression in cosmetic tablets and/or cakes.
EMULSION STABILISING
Helping the process of emulsification and improving emulsion stability and shelf-life.
FILM FORMING
Producing (upon application) a continuous film on the skin, hair or nails.
LIGHT STABILIZER
Protecting the cosmetic product from deterioration effects of light.
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.

#13199 · HYDROXYBUTYL METHYLCELLULOSE

Ingredients with overlapping formulation functions

HYDROGENATED VEGETABLE GLYCERIDES CITRATELIGHT STABILIZER, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING
HYDROGENATED VEGETABLE GLYCERIDES PHOSPHATELIGHT STABILIZER, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
HYDROLYZED BEESWAXEMULSION STABILISING, LIGHT STABILIZER, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
HYDROQUINONELIGHT STABILIZER
HYDROXYCETYL PHOSPHATELIGHT STABILIZER, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
HYDROXYETHYLCELLULOSEBINDING, EMULSION STABILISING, FILM FORMING, LIGHT STABILIZER, VISCOSITY CONTROLLING
IRON HYDROXIDELIGHT STABILIZER
ISOAMYL P-METHOXYCINNAMATELIGHT STABILIZER, UV ABSORBER, UV FILTER

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 HYDROXYBUTYL METHYLCELLULOSE appears in the CosIng inventory

The CosIng inventory lists HYDROXYBUTYL METHYLCELLULOSE 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.

HYDROXYBUTYL METHYLCELLULOSE is also tagged with 5 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

HYDROXYBUTYL METHYLCELLULOSE 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, HYDROXYBUTYL METHYLCELLULOSE carries the following function designation(s):

CAS 9041-56-9 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.
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Source note for HYDROXYBUTYL METHYLCELLULOSE

This page reproduces the CosIng inventory entry for HYDROXYBUTYL METHYLCELLULOSE 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 HYDROXYBUTYL METHYLCELLULOSE 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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