Tetrathiepane is a sulfur-rich heterocycle reported in garlic oil and a few other pungent natural materials, with the current public evidence base centered on identity and occurrence rather than isolated therapeutic characterization. Recent garlic-oil work has even reported it as a major peak in some profiles, but those biological findings remain mixture-level and do not establish tetrathiepane as the sole active. For AromaForge, it is best described as a pungent organosulfur marker with early computational and occurrence data plus substantial standalone evidence gaps.
Chemical identity and composition
PubChem resolves tetrathiepane as CID 520423 with formula C3H6S4 and IUPAC name 1,2,4,6-tetrathiepane. PubChem synonym data also give the CAS number 292-45-5. In the archive's garlic-china oil file, tetrathiepane is already listed as 1,2,4,6-Tetrathiepane at 9.05%, and a 2023 Tropical Medicine and Infectious Disease paper reported it as 24.84% in one garlic essential oil profile, showing that reported abundance can vary widely by preparation.
Aroma and practical use
- Use the recorded sulfurous, garlic-like, pungent, savory 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.
A 2023 Tropical Medicine and Infectious Disease study reported 1,2,4,6-tetrathiepane as the predominant garlic essential oil component at 24.84% in a sample that showed in vitro activity against Leishmania amazonensis; the paper explicitly treated the biological data as whole-oil findings rather than isolated tetrathiepane proof.
A 2023 Tropical Medicine and Infectious Disease study reported 1,2,4,6-tetrathiepane as the predominant garlic essential oil component at 24.84% in a sample that showed in vitro activity against Leishmania amazonensis; the paper explicitly treated the biological data as whole-oil findings rather than isolated tetrathiepane proof.
This experimental finding does not establish benefit, dose or safety in people using this blend.
The same 2023 paper reported in silico ADMET screening for tetrathiepane and noted good oral-bioavailability-type scores alongside predicted mutagenicity, murine carcinogenicity, medium hERG risk, and possible CYP3A4/CYP2C19 inhibition flags.
The same 2023 paper reported in silico ADMET screening for tetrathiepane and noted good oral-bioavailability-type scores alongside predicted mutagenicity, murine carcinogenicity, medium hERG risk, and possible CYP3A4/CYP2C19 inhibition flags.
This experimental finding does not establish benefit, dose or safety in people using this blend.
A garlic GC-MS comparison paper used in the archive's garlic-china record reported 1,2,4,6-Tetrathiepane at 9.05% in one China garlic essential oil sample.
A garlic GC-MS comparison paper used in the archive's garlic-china record reported 1,2,4,6-Tetrathiepane at 9.05% in one China garlic essential oil sample.
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.
A recorded constituent reference, not a recommended oil dilution. Product category, source applicability and all contributing oils must be checked before use.
unverified reference · No source provenance attachedThe most specific public safety signal located in this pass came from a computational study that flagged tetrathiepane for predicted mutagenicity, murine carcinogenicity, and medium hERG risk; these are model outputs, not confirmed human outcomes.
This experimental finding does not establish benefit, dose or safety in people using this blend.
No direct public citation is attached to this entry.
No human clinical safety study, IFRA standard, or constituent-specific dermal exposure limit was verified for isolated tetrathiepane.
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_sulfur_ring_as_pungency_marker
The best-supported role for tetrathiepane is compositional: it is one of the cyclic sulfur compounds that help define pungent garlic-like volatile profiles.
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 (6)
- No isolated constituent-level human or animal efficacy study was verified for tetrathiepane in this pass.
- The best accessible biological context is still whole garlic oil rather than purified tetrathiepane dose-response work.
- No direct constituent-specific regulatory safety monograph or dermal restriction was located.
- Second-pass verification (2026-07-13): searched IFRA Standards Library, RIFM database, and ECHA C&L/registration dossiers by CAS 292-45-5; no compound-specific entry found in any. Garlic oil is not a standard IFRA-listed fragrance material, consistent with the absence of a dedicated standard. dermal_limit_pct, sensitizing, and phototoxic remain unverified; left unchanged.
- The numeric dermal reference lacks source provenance; a verified flag alone is insufficient.
- Some findings do not record an explicit exposure route; consult the linked study before applying them to a use.