Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
- beauty
(Z)-Hexadec-9-enoic acid
CAS 373-49-9
Concern score
Not assessed — no hazard data yet.
(Z)-Hexadec-9-enoic acid in plain language
Also known as Palmitoleic acid · (9Z)-Hexadec-9-enoic acid · 9-CIS-HEXADECENOIC acid · 9-HEXADECENOIC acid, (9Z)- · 9Z-HEXADECENOIC acid · Oleopalmitic acid
Show all 24 names
Zoomeric acid · (9Z)-9-Hexadecenoic acid · (Z)-9-Hexadecenoic acid · (Z)-Hexadec-9-ensaure · 16:1(N-7) · C16:1 · C16:1 trans-9 · C16:1n7 · Cis-palmitoleic acid · Fatty Acid 16:1 n-7 · cis-9-Hexadecenoic acid · cis-9-palmitoleic acid · crude palmitoleic acid · pure palmitoleic acid · zoomaric acid · Palmitoleic acid (C16:1) (constituent of krill oil) · Palmitoleic acid (constituent of saw palmetto) · Palmitoleic acid (constituent of spirulina)
Used in consumer products as a surfactant.
- Surfactant
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. (Z)-Hexadec-9-enoic acid appears in these published regulatory listings.
- Found in consumer products
- Beauty
USEPAcommercial use observedEPA CPDat observed this chemical in 6 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent).
- EPA CPDat observed this chemical in 6 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent).Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for (Z)-Hexadec-9-enoic acid. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for (Z)-Hexadec-9-enoic acid yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Allergen profile
Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.
- FishContains · Oral (ingested)
Source: chemindex_name_match
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed (Z)-Hexadec-9-enoic acid in a product composition. These are source records, not Greenveil catalog products.
Source records
6
Named organisations
3
Personal care
Typical roles
Surfactant