{"product_id":"ambergris-ketone","title":"Ambergris Ketone (Iso E Super Equivalent)","description":"\u003cp\u003e\u003cstrong\u003eCAS 54464-57-2 · Woody · Amber · IFRA restricted (fine fragrance max 20%)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAmbergris Ketone is OTNE, the smooth woody-amber molecule most perfumers know as Iso E Super. It is the soft, velvety cedar glow that sits under a huge number of modern fragrances. It is so subtle that some people can barely smell it, yet it makes everything around it feel bigger and smoother.\u003c\/p\u003e\n\u003ch2\u003eWhat it smells like\u003c\/h2\u003e\u003cp\u003eDry, velvety cedarwood with a soft amber warmth and a faint vetiver-like edge. It is transparent rather than heavy and lasts for many hours.\u003c\/p\u003e\n\u003ch2\u003eHow perfumers use it\u003c\/h2\u003e\u003cp\u003eUse it generously as a woody backbone: it blends into almost any accord and lifts florals, citruses and musks. Paired with Ambroxan and a musk it forms the classic woody-amber-musk skin scent. It is IFRA restricted, so check the limit for your product category, especially at the high levels this material invites.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlends well with:\u003c\/strong\u003e Ambroxan, Hedione, Musk G \/ Galaxolide, Cedrol, Bergamot.\u003c\/p\u003e\n\u003ch2\u003eEquivalent to ISO E Super\u003c\/h2\u003e\u003cp\u003eIso E Super is IFF's trade name for OTNE, and Ambergris Ketone is OTNE too, so they are the same molecule and you can swap them 1:1. Prefer the original brand? We also stock \u003ca href=\"\/products\/iso-e-super-iff-1\"\u003eISO E Super IFF\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eIFRA \u0026amp; regulatory\u003c\/h2\u003e\u003cp\u003eRestricted under the IFRA Standards (51st Amendment, in force). Maximum in fine fragrance (Category 4): 20%; other product types have different limits. EU: Added to the EU's expanded fragrance-allergen list (Regulation 2023\/1545): declare on EU cosmetic labels above 0.001% (leave-on) or 0.01% (rinse-off).\u003c\/p\u003e\n\u003cp\u003eFor use in perfumery, cosmetics and fragrance manufacturing only. Not for ingestion. Handle neat material with gloves and good ventilation. The certificate of analysis (COA) and safety data sheet (SDS) are available on request.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eIs Ambergris Ketone the same as Iso E Super?\u003c\/summary\u003e\u003cp\u003eYes. Both are OTNE (CAS 54464-57-2); Iso E Super is IFF's brand name for it.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy can't I smell Iso E Super \/ OTNE?\u003c\/summary\u003e\u003cp\u003eSome people have a partial anosmia to OTNE. It still changes how a blend smells, adding smoothness and radiance, even when it is hard to smell on its own.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs OTNE restricted by IFRA?\u003c\/summary\u003e\u003cp\u003eRestricted under the IFRA Standards (51st Amendment, in force). Maximum in fine fragrance (Category 4): 20%; other product types have different limits. EU: Added to the EU's expanded fragrance-allergen list (Regulation 2023\/1545): declare on EU cosmetic labels above 0.001% (leave-on) or 0.01% (rinse-off).\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003eBrowse more \u003ca href=\"\/collections\/aroma-chemicals-all\"\u003earoma chemicals\u003c\/a\u003e for perfumery. \u003cem\u003eTechnical and regulatory data checked 21 September 2026 against the IFRA Standards (51st Amendment) and the 52nd Amendment consultation outcome.\u003c\/em\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is Ambergris Ketone the same as Iso E Super?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Both are OTNE (CAS 54464-57-2); Iso E Super is IFF's brand name for it.\"}}, {\"@type\": \"Question\", \"name\": \"Why can't I smell Iso E Super \/ OTNE?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Some people have a partial anosmia to OTNE. It still changes how a blend smells, adding smoothness and radiance, even when it is hard to smell on its own.\"}}, {\"@type\": \"Question\", \"name\": \"Is OTNE restricted by IFRA?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Restricted under the IFRA Standards (51st Amendment, in force). Maximum in fine fragrance (Category 4): 20%; other product types have different limits. EU: Added to the EU's expanded fragrance-allergen list (Regulation 2023\/1545): declare on EU cosmetic labels above 0.001% (leave-on) or 0.01% (rinse-off).\"}}]}\u003c\/script\u003e","brand":"Unravel Perfumery","offers":[{"title":"100g","offer_id":62738894749777,"sku":"UP-AC-IES-100G","price":270.0,"currency_code":"INR","in_stock":false},{"title":"500g","offer_id":62738894782545,"sku":"UP-AC-IES-500G","price":1170.0,"currency_code":"INR","in_stock":false},{"title":"1kg","offer_id":62738894815313,"sku":"UP-AC-IES-1KG","price":1950.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1027\/7175\/3041\/files\/ChatGPTImageSep28_2026_05_42_41AM.png?v=1790554376","url":"https:\/\/unravelperfumery.com\/products\/ambergris-ketone","provider":"Unravel Perfumery","version":"1.0","type":"link"}