{"license":"https://creativecommons.org/licenses/by/4.0/","about":"The input of the Olfactory Causal Debugger for a teaching accord, read from the records named in each field; the model is /sections/causal-model.mjs (formulas in its header). Everything the model computes from it is modeled.","accord":"amber-teaching-accord","name":"An amber (the perfumer’s, not the resin)","version":2,"updated":"2026-09-30","disclaimer":"A teaching accord for learning: not a Radler formula, not a finished perfume, not safety-assessed; do not make it for skin.","href":"/accord/amber-teaching-accord","halfLife":{"top":1.5,"heart":6,"base":12,"ev":{"e":"modeled","n":"the site constants of the evaporation simulator on /science for limonene (its Top note), Hedione (Heart) and Ambroxan (Base); “chosen for the simulator and are not measurements”"}},"components":[{"key":"labdanum-absolute","id":"labdanum-absolute","type":"material","name":"labdanum absolute","href":"/material/labdanum-absolute","onRecord":true,"parts":45,"partsEv":{"e":"modeled","c":"C","n":"teaching proportions, a house interpretation for learning: modeled, not measured, not a formula, not for making","r":"accord/amber-teaching-accord · teaching_parts"},"role":"base","roleEv":{"e":"perfumery convention","s":["KLE-1"],"q":"Notably, there are odorants (in particular amber notes) which are base notes serving as fixatives but also enhancing the perceptibility of a perfume","c":"B","n":"the review: amber notes are base notes serving as fixatives; labdanum as an amber note is the trade’s convention","r":"accord/amber-teaching-accord · role"},"vol":null,"volEv":{"n":"no volatility class on record for labdanum-absolute","r":"accord/amber-teaching-accord · volatility"},"desc":["balsamic","amber"],"descEv":{"e":"perfumery convention","c":"B","n":"the trade’s words; LAB-1 documents its use for \"its aromatic and fixative properties, replacing ambergris\", not these words","r":"material/labdanum-absolute · descriptors","v":"balsamic, amber"},"mols":[],"molsNote":"no constituent molecule on record","thr":null,"thrNote":"a material: thresholds are filed per molecule, not per material","regs":[],"regEv":{"n":"no Regulation record names it","r":"material/labdanum-absolute · regulation"},"prov":[{"t":"from Cistus ladanifer L.","href":"/botanical/cistus-ladanifer","ev":{"e":"documented","s":["CIS-1"],"q":"Raw gum labdanum is a resin extracted from the photosynthetic leaves and stems of","c":"A","r":"material/labdanum-absolute · botanical"}},{"t":"no origin on record for Cistus ladanifer L.","ev":{"e":null,"n":"the botanical record names no Origin record"}},{"t":"A resin in a Carthaginian tomb, identified as labdanum (6th–5th century BC) (probable)","href":"/event/carthage-labdanum-sample","ev":{"e":"documented","s":["CIS-1"],"q":"A resinous archeological sample from a tomb in Carthago (6th–5th century BC), housed in the Fragonard Museum (Grasse, France), was identified as labdanum, resin of the Cistus species, although no direct documentation supported this identification","c":"B","r":"event/carthage-labdanum-sample · what"}},{"t":"no price: nothing on this site is for sale","ev":{"e":"house rule","n":"nothing on the site is for sale (the decisions log)","r":"material/labdanum-absolute · price_band"}}]},{"key":"vanillin","id":"vanillin","type":"molecule","name":"vanillin","href":"/molecule/vanillin","onRecord":true,"parts":35,"partsEv":{"e":"modeled","c":"C","n":"teaching proportions, a house interpretation for learning: modeled, not measured, not a formula, not for making","r":"accord/amber-teaching-accord · teaching_parts"},"role":"base","roleEv":{"e":"documented","s":["KLE-1"],"q":"Typically, fresh and citric odorants, e.g., limonene, are top notes, while warm and sweet odorants such as vanillin are base notes","c":"A","n":"the same sentence: \"warm and sweet odorants such as vanillin are base notes\"","r":"accord/amber-teaching-accord · role"},"vol":"base","volEv":{"e":"modeled","c":"C","n":"the molecule record’s volatility class (modeled: the simulator’s data is a set of site constants, not measurements)","r":"accord/amber-teaching-accord · volatility"},"desc":["vanilla","sweet"],"descEv":{"e":"documented","s":["OT-1"],"q":"4-hydroxy-3-methoxybenzaldehyde (vanillin) | CAS 121-33-5 | Odor quality: vanilla-like, sweet","c":"A","r":"molecule/vanillin · descriptors","v":"vanilla-like, sweet"},"mols":[{"id":"vanillin","name":"vanillin"}],"molsNote":null,"thr":{"v":53,"unit":"µg/kg","medium":"water","method":"orthonasal odour detection threshold in water, determined by the method of Czerny et al. 2008, Eur Food Res Technol 228:265–273, as the database states","ev":{"e":"measured","s":["OT-1"],"c":"A","n":"the retronasal threshold in the same study is 210 µg/kg (OT-1)","r":"molecule/vanillin · threshold"}},"thrNote":null,"regs":["eu-2023-1545"],"regEv":{"e":"documented","s":["EU-2023-1545"],"q":"346 4-Hydroxy-3-methoxybenz-aldehyde (*4) Vanillin 121-33-5","c":"A","n":"the house’s review: the Regulation records that apply to it (educational summaries as of 2026-09-30; not compliance advice)","r":"molecule/vanillin · regulation"},"prov":[{"t":"occurs in cured vanilla pods","href":"/material/cured-vanilla-pods","ev":{"e":"documented","s":["GC-6"],"q":"In exceptional-quality vanilla pods, vanillin crystals can be observed in the form of small white needles (called, in French, givre) (Figure 2).","c":"B","n":"the crystals (givre) on exceptional cured pods","r":"molecule/vanillin · occurrence"}},{"t":"Tiemann and Haarmann patent a vanillin synthesis, 1874 (documented)","href":"/event/tiemann-haarmann-vanillin-1874","ev":{"e":"documented","s":["VNL-1"],"q":"In 1874, more than 150 years ago, … chemical synthesis of vanillin 3 was patented by Ferdinand Tiemann and Wilhelm Haarmann starting from coniferin.","c":"A","r":"event/tiemann-haarmann-vanillin-1874 · what"}},{"t":"no price: nothing on this site is for sale","ev":{"e":"house rule","n":"nothing on the site is for sale; no price is filed for molecules"}}]},{"key":"frankincense-resin","id":"frankincense-resin","type":"material","name":"frankincense","href":"/material/frankincense-resin","onRecord":true,"parts":20,"partsEv":{"e":"modeled","c":"C","n":"teaching proportions, a house interpretation for learning: modeled, not measured, not a formula, not for making","r":"accord/amber-teaching-accord · teaching_parts"},"role":"heart","roleEv":{"e":"perfumery convention","c":"B","n":"the trade’s top / heart / base convention for this material","r":"accord/amber-teaching-accord · role"},"vol":null,"volEv":{"n":"no volatility class on record for frankincense-resin","r":"accord/amber-teaching-accord · volatility"},"desc":["lemony","piney","balsamic"],"descEv":{"e":"house interpretation","w":[{"t":"/materials, “Omani Frankincense”","h":"/materials#origin-frankincense"}],"c":"C","n":"the house essay’s words; no descriptor source is filed","r":"material/frankincense-resin · descriptors","v":"lemony, piney, balsamic"},"mols":[{"id":"incensole-acetate","name":"incensole acetate","ev":{"e":"documented","s":["GC-16"],"q":"Four new cembrane-type diterpenoids, including boscartins (16–19), together with five known compounds (1S, 3 R, 11S, 12 R, 7E)-1,12-epoxy-4-methylenecembr-7-ene-3,11-diol (20), isoincensole oxide (21), incensole oxide (22), incensole acetate (23), and incensole oxide acetate (24) were isolated from B. sacra gum resin by Wang et al.","c":"B","n":"isolated from B. sacra gum resin (cited by GC-16 to Wang et al.); GC-17 calls it “a Boswellia resin constituent” (GC-17)","r":"material/frankincense-resin · constituents"}}],"molsNote":"no constituent share on record, so no figure","thr":null,"thrNote":"a material: thresholds are filed per molecule, not per material","regs":[],"regEv":{"n":"no Regulation record yet","r":"material/frankincense-resin · regulation"},"prov":[{"t":"from Boswellia sacra Flück.","href":"/botanical/boswellia-sacra","ev":{"e":"documented","s":["GC-15"],"q":"In the Dhofar region, frankincense is harvested by tapping the trunks and branches of B. sacra trees, as for B. papyrifera in Ethiopia4.","c":"A","r":"material/frankincense-resin · botanical"}},{"t":"grown in Dhofar","href":"/origin/dhofar-om","ev":{"e":"documented","s":["GC-15"],"q":"In Dhofar Governorate, the main region of frankincense production in Oman, B. sacra trees are the most economically important plants, as the commercial and phytopharmaceutical source of frankincense production5.","c":"A","r":"botanical/boswellia-sacra · origins"}},{"t":"no price: nothing on this site is for sale","ev":{"e":"house rule","n":"nothing on the site is for sale (the decisions log)","r":"material/frankincense-resin · price_band"}}]}],"extra":[],"subs":[],"notes":[{"for":"labdanum-absolute","forName":"labdanum absolute","text":"Historically the other way round: labdanum stood in for ambergris.","ev":{"e":"documented","s":["LAB-1"],"q":"the extraction of its exuded resin (which has the commercial name of labdanum “gum”) for the fragrance/perfumery industry, because of its aromatic and fixative properties, replacing ambergris","c":"A","r":"accord/amber-teaching-accord · substitutions"},"why":"the record names no substitute record, so the chain is not computed"}],"regs":{"eu-2023-1545":{"name":"Regulation (EU) 2023/1545 (labelling of fragrance allergens)","body":"EU","kind":"a labelling condition, extended to more fragrance allergens","href":"/regulation/eu-2023-1545","ev":{"e":"documented","s":["EU-2023-1545"],"q":"Therefore, an obligation to individually label those fragrance allergens should be introduced in Annex III to Regulation (EC) No 1223/2009 when their concentration exceeds 0,001 % in leave-on products and 0,01 % in rinse-off products.","c":"A","r":"regulation/eu-2023-1545 · restriction_type"}}}}