(9Z)-Nonadecene is a long-chain internal alkene that appears recurrently in rose otto composition tables and in a smaller insect semiochemical literature. The strongest live evidence for this constituent is analytical and ecological rather than wellness-oriented: public sources support its identity, repeated occurrence in Rosa damascena oils, and signaling roles in insect secretion studies, while direct human-use pharmacology and toxicology data are sparse. AromaForge should therefore frame it as a chemistry-forward trace-to-secondary rose marker with clear research gaps around constituent-specific safety and efficacy.
Chemical identity and composition
PubChem's generic 9-Nonadecene entry resolves to the E isomer, so this record keeps the exact-Z CAS field null rather than forcing a registry assignment from weaker cross-database matches. In the archive, (9Z)-Nonadecene is already a recurring rose-otto constituent, including 4.89% in the Persian Rose Otto Signature Gold reference profile and repeated inclusion in Turkish and Bulgarian rose-oil composition tables.
Aroma and practical use
- Use the recorded waxy, fatty, soft, green descriptors to explore a blend's scent character; perceived strength also depends on the other ingredients.
- Read the route, preparation and experimental context before using a study finding to choose an oil.
Reported benefits and effects
Findings retain their study context. An animal or laboratory result describes that experiment.
rose oil occurrence
The open ISO 9842:2024 rose-oil specification lists (9Z)-Nonadecene among the monitored composition markers with a 1.0-4.5% range, and the cited Iranian Rosa damascena profile used in local oil records reported 4.89% 9-Nonadecen in sample B.
Measured: quantified occurrence in distilled rose oil
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
ghost ant behavioral response
An Environmental Entomology study snippet reports that (Z)-9-Nonadecene was a major mandibular-gland component in ghost ants, elicited electroantennogram activity, and acted as an attractant that altered worker locomotion patterns.
Measured: electroantennogram response and attraction-related behavior
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
moth pheromone minor component
A classic pheromone study identified (Z)-9-Nonadecene in female moth sex-pheromone gland extracts, but field tests found that adding it did not increase trap catch beyond the major dienic pheromone component.
Measured: compound identification in pheromone-gland extracts
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
Use concerns and concentration limits
Sensitization concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Phototoxicity concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Oxidation concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Penetration enhancementNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
No numeric constituent-specific use limit is available here. Missing is not an unrestricted-use clearance.
No constituent-specific IFRA limit, human dermal study, or phototoxicity review for isolated (9Z)-Nonadecene was verified in this pass.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
Current public evidence is much stronger for analytical occurrence and insect chemical-ecology roles than for human-use safety characterization.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
Constituents it may interact with
No constituent-pair interaction is recorded for this identity. The report does not assume either amplification or incompatibility.
How the effects were investigated
volatile chemosensory signaling
In insect studies, (9Z)-Nonadecene has been reported as a volatile cue detected by antennae and associated with behavioral attraction or locomotion changes, supporting a chemosensory signaling role.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
What this report cannot establish
- A reported constituent percentage does not establish an effective human therapeutic dose or the amount absorbed into the body.
- The presence of a constituent does not guarantee a clinical benefit, rash treatment or sleep improvement from a custom blend.
- An unflagged concern or missing use limit does not establish safety for ingestion, inhalation, skin exposure or a particular person.
- A candidate constituent interaction does not establish that two oils amplify one another at the selected proportions.
- Constituent descriptors alone do not establish a precise top, heart or base lifetime in a finished blend.
Known data gaps (5)
- Exact-Z registry mapping was not confirmed through a fully authoritative open chemistry source in this pass, so the CAS field remains null.
- No constituent-specific human clinical, dermal-limit, or toxicology literature was verified for isolated (9Z)-Nonadecene.
- Most direct bioactivity evidence located is insect chemical-ecology work rather than human-use pharmacology.
- No constituent-specific numeric dermal reference is available here.
- Some findings do not record an explicit exposure route; consult the linked study before applying them to a use.