Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
InventoryRef 8311615/10/2010

HYDROXYPROPYL METHYLCELLULOSE PHTHALATE

Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride

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

INCI CheckerCompare 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 sourcesSearch every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 9050-31-1
CAS 9050-31-1PubChem CID 57469

Imiquimod

Imiquimod is an imidazoquinoline fused [4,5-c] carrying isobutyl and amino substituents at N-1 and C-4 respectively. A prescription medication, it acts as an immune response modifier and is used to treat genital warts, superficial basal cell carcinoma, and actinic keratosis. It has a role as an antineoplastic agent and an interferon inducer. — ChEBI

IUPAC name
1-(2-methylpropyl)imidazo[4,5-c]quinolin-4-amine
Molecular formula
C14H16N4
Molecular weight
240.30 g/mol
Exact mass
240.137496527 Da
XLogP3
2.6
Topological polar surface area
56.7 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Aldara1-(2-methylpropyl)-1H-imidazo[4,5-c]quinolin-4-amineZyclara1-isobutyl-1H-imidazo[4,5-c]quinolin-4-amine4-Amino-1-isobutyl-1H-imidazo[4,5-c]quinolineR-837R 8374-Amino-1-isobutyl-1H-imidazo(4,5-c)quinoline
16 more reported names
S-26308TMX-101S 26308ImiquimodumNSC-369100NSC-759651P1QW714R7MTMX 1011H-Imidazo(4,5-c)quinolin-4-amine, 1-(2-methylpropyl)-R8371H-Imidazo[4,5-c]quinolin-4-amine, 1-(2-methylpropyl)-CHEBI:367041-isobutyl-1H-imidazo(4,5-c)quinolin-4-amine1-(2-methylpropyl)-1H-imidazo(4,5-c)quinolin-4-amineRefChem:57767D06BB10
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.

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
Hydroxypropyl 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 HYDROXYPROPYL METHYLCELLULOSE PHTHALATE

INCI name

HYDROXYPROPYL METHYLCELLULOSE PHTHALATE

Description

Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride

Record provenance

Inventory reference
83116
Imported identity
HYDROXYPROPYL METHYLCELLULOSE PHTHALATE
Source update
15/10/2010
European Commission CosIng source notes
Browse

Browse EU annexes

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

Search

Search annex entries

Search the annex database for entries matching HYDROXYPROPYL METHYLCELLULOSE PHTHALATE or related substances.

Key data

CAS
9050-31-1
EC
—
Restriction
—
Function
ORAL CARE
Providing cosmetic effects to the oral cavity, e.g. cleansing, deodorising, protecting.

Official EU ingredient-name evidence

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

#13354 · HYDROXYPROPYL METHYLCELLULOSE PHTHALATE

Ingredients with overlapping formulation functions

HYDROGEN PEROXIDEANTIMICROBIAL, ORAL CARE, OXIDISING
HYDROLYZED LACTOFERRINANTI-SEBORRHEIC; ANTIMICROBIAL; ANTI-SEBUM; ORAL CARE; SKIN PROTECTING
HYDROLYZED PYRUS PYRIFOLIA FRUIT STONE CELL EXTRACTABRASIVE; ORAL CARE
HYDROXYAPATITEABRASIVE, BULKING, ORAL CARE, SKIN CONDITIONING
ILLICIUM VERUM FRUIT/SEED OILFRAGRANCE, ORAL CARE, TONIC
IMMORTALIZED HUMAN TOOTH PULP STEM CELL CONDITIONED MEDIAANTIPLAQUE, HAIR CONDITIONING, HUMECTANT, ORAL CARE
IODINE TRICHLORIDEORAL CARE
IPOMOEA BATATAS/SOLANUM TUBEROSUM STARCHANTIPLAQUE, ORAL CARE, SKIN CONDITIONING

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 HYDROXYPROPYL METHYLCELLULOSE PHTHALATE appears in the CosIng inventory

The CosIng inventory lists HYDROXYPROPYL METHYLCELLULOSE PHTHALATE 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.

HYDROXYPROPYL METHYLCELLULOSE PHTHALATE 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

HYDROXYPROPYL METHYLCELLULOSE PHTHALATE 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, HYDROXYPROPYL METHYLCELLULOSE PHTHALATE carries the following function designation(s):

CAS 9050-31-1 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 HYDROXYPROPYL METHYLCELLULOSE PHTHALATE

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

View sourcesView updates

Tools & next steps

Check your formula

Scan a full INCI list to detect HYDROXYPROPYL METHYLCELLULOSE PHTHALATE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to HYDROXYPROPYL METHYLCELLULOSE PHTHALATE, its identifiers or nearby name variants.

Search