Is Hydroxypropyl Methylcellulose Phthalate safe in cosmetics?
Hydroxypropyl Methylcellulose Phthalate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
MODERATE
Cosmetic Ingredient
Hydroxypropyl Methylcellulose Phthalate
INCI: HYDROXYPROPYL METHYLCELLULOSE PHTHALATE
Hydroxypropyl Methylcellulose Phthalate (CAS 9050-31-1 [^1_2]) is a cosmetic cosmetic ingredient functioning as Film forming; enteric coating polymer. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 9050-31-1 [^1_2] →
Function
Film forming; enteric coating polymer
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — no 21 CFR prohibition; widely used as pharmaceutical excipient in FDA Inactive Ingredient Database
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Hydroxypropyl Methylcellulose Phthalate.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for Hydroxypropyl Methylcellulose Phthalate — not a computed safety verdict. See the sourced toxicological data above.
Frequently Asked Questions
Is Hydroxypropyl Methylcellulose Phthalate allowed in the EU?
Hydroxypropyl Methylcellulose Phthalate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Hydroxypropyl Methylcellulose Phthalate do in cosmetics?
Hydroxypropyl Methylcellulose Phthalate functions as: Film forming; enteric coating polymer. It is classified as a cosmetic ingredient in our database. CAS number: 9050-31-1 [^1_2].
Compliance Tools
Check Hydroxypropyl Methylcellulose Phthalate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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