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EU cosmetic ingredients, restrictions and safety
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Official EU label nameGlossary entry 13176

HYDROLYZED YEAST PROTEIN

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

0 markets with evidence
Markets checked
13
Markets with evidence
0
Evidence gaps
13
Resolved identifiers
2

Resolved substance identity

CAS:100684-36-4
EC:309-709-2
Ingredient index records:
HYDROLYZED YEAST PROTEIN
Cosmetic functions: ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

Protein hydrolyzates, yeast. Substance obtained by acidic, alkaline, or enzymatic hydrolysis of saccharomyces cerevisiae composed primarily of amino acids, peptides, and proteins. It may contain impurities consisting chiefly of carbohydrates and lipids along with smaller quantities of miscellaneous…

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1 matched or reported name
HYDROLYZED YEAST PROTEIN

Official name structure and source evidence

This section separates facts supplied by external records from structure derived only from the exact official label wording.

Structured interpretation of the official EU INCI label

Matchedlabel-analysis-v1 · EU 2025/1175

The official label identifies a peptide- or protein-related cosmetic material.

Identity type inferred from wording
peptide_or_protein
Preparation or form stated in the name
PROTEIN

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

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Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name HYDROLYZED YEAST PROTEIN.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

Check the markets and their sourcesSearch every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 100684-36-4
CAS 100684-36-4PubChem CID 112325

Protein hydrolyzates, yeast

IUPAC name
3',6'-bis(diethylamino)-5-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular formula
C29H29N3O3S
Molecular weight
499.6 g/mol
Exact mass
499.19296297 Da
XLogP3
7.2
Topological polar surface area
86.5 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
7
Covalent units
1
Defined stereocentres
0

Also known as

Rhodamine B-5(or 6)-isothiocyanateSpiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-bis(diethylamino)-5(or 6)-isothiocyanato-Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(diethylamino)-5(or 6)-isothiocyanato-RefChem:869975309-709-23',6'-bis(diethylamino)-6-isothiocyanato-3h-spiro[2-benzofuran-1,9'-xanthen]-3-oneOTFIRIMNKLNLIK-UHFFFAOYSA-N3',6'-Bis(diethylamino)-6-isothiocyanato-3H-spiro[[2]benzofuran-1,9'-xanthen]-3-one
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match112325

Attributed physical-property, hazard, environmental and use annotations.

  • Note: This chemical does not meet GHS hazard criteria for 100% (106 of 106) of all reports. Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 106 of 106 companies. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 106 reports by companies from 1 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 106 of 106 reports by companies.; There are 0 notifications provided by 0 of 106 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBINo exact record2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

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

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

Cosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortalUS EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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