rhubarb oxirane
rhubofix (Firmenich)
Blends well with the salicylates.
  • Azelis
    • Azelis UK Life Sciences
      Chemical Distribution
      Azelis is a leading global distributor of speciality chemicals.
      Azelis is a leading global speciality chemicals distributor. We provide a diverse range of products and innovative services to more than 20,000 customers. Our in-depth local knowledge is supported by an international structure and value-added services including high levels of technical support and tailored solutions.
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  • Firmenich
    • Firmenich Inc.
      We Create
      We create perfumes and flavors for the World's most desirable brands.
      Firmenich is the largest privately-owned company in the perfume and flavor business. Swiss and family owned, we have created many of the world’s favorite perfumes for over 100 years and produced a number of the most well known flavors we enjoy each day.
      US Email: Fred Keifer
      US Voice: +1 609 452 1000
      US Fax: +1 609 452 6077
      978880 Rhubofix® min 70%
      RHUBOFIX® has the ability to fill out a fragrance. It blends very well with woody, spicy, rose, bergamot and lavender notes. With salicylates, interesting spicy effects can be obtained particularly if sweetened by heliotropin or similar materials. Its delicate green-woody nuance also harmonizes effectively with citrus notes, in particular lemon and grapefruit.
  • Indukern F&F
  • Liaison Carbone
    • Liaison Carbone
      Unusual Raw Materials
      Expanding the pallet of avid amateur-perfumers.
      This website is the result of my own attempts at getting hold of aroma chemicals that were hard to come by. At least in the amounts required by hobbyists. My goal is to offer an ever-changing portfolio of fairly unusual raw materials in order to continuously expand the pallet of avid amateur-perfumers.
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  • Penta International
    • Penta International Corporation
      Chemistry innovation
      At Penta, our products and services help businesses do business better.
      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
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      18-24850 RHUBOFIX
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Fragrance Demo Formulas
CAS Number: 41816-03-9
ECHA EINECS - REACH Pre-Reg: 255-560-0
Nikkaji Web: J248.398J
XlogP3-AA: 2.50 (est)
Molecular Weight: 204.31260000
Formula: C14 H20 O
Category: fragrance agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 96.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 1.02000 @  25.00 °C.
Boiling Point: 203.00 °C. @ 760.00 mm Hg
Acid Value: 1.00 max. KOH/g
Vapor Pressure: 0.003000 mm/Hg @ 25.00 °C. (est)
Flash Point: > 212.00 °F. TCC ( > 100.00 °C. )
logP (o/w): 3.790 (est)
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Organoleptic Properties:
Odor Type: woody
Odor Strength: medium ,
recommend smelling in a 10.00 % solution or less
 fresh  woody  spicy  floral  fruity  rhubarb  
Odor Description:
at 10.00 % in dipropylene glycol. 
fresh woody spicy floral fruity rhubarb
Luebke, William tgsc, (1987)
Substantivity: 96 hour(s) at 100.00 %
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: perfuming agents
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Ernesto Ventós
min 70%
Odor: Complex woody, spicy, floral and fruity note. It has a zesty freshness and unique green rhubarb effect
Use: RHUBOFIX® has the ability to fill out a fragrance. It blends very well with woody, spicy, rose, bergamot and lavender notes. With salicylates, interesting spicy effects can be obtained particularly if sweetened by heliotropin or similar materials. Its delicate green-woody nuance also harmonizes effectively with citrus notes, in particular lemon and grapefruit.
Indukern F&F
Liaison Carbone
Penta International
Santa Cruz Biotechnology
For experimental / research use only.
Vigon International
Odor: Complex woody, spicy, floral and fruity note. It has a zesty freshness and unique green rhubarb effect
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Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: fragrance agents
Recommendation for rhubarb oxirane usage levels up to:
  0.5000 % in the fragrance concentrate.
Recommendation for rhubarb oxirane flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
EPA Substance Registry Services (TSCA): 41816-03-9
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 94522
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
Chemidplus: 0041816039
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 41816-03-9
Pubchem (cid): 94522
Pubchem (sid): 135049897
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
HMDB (The Human Metabolome Database): Search
ChemSpider: View
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Potential Blenders and core components note
 acetal 318FR
 amber caraneFR
isoamyl 3-(2-furan) propionateFL/FR
 amyl angelateFL
isoamyl angelateFL/FR
alpha-amyl cinnamaldehydeFL/FR
alpha-amyl cinnamyl alcoholFL/FR
 amyl isoeugenolFR
 atractylis root oilFR
 benzyl acetateFL/FR
 benzyl acetoacetateFL/FR
 benzyl cinnamateFL/FR
 benzyl formateFL/FR
 benzylidene acetoneFL
 bergamot oil bergaptene reduced italyFL/FR
4-tert-butyl cyclohexane carboxaldehydeFR
isobutyl furyl propionateFL/FR
 butyl undecylenateFL/FR
 cardamom absoluteFL/FR
alpha-caryophyllene alcoholFL/FR
 caryophyllene alcohol acetateFR
beta-caryophyllene oxideFL/FR
 croton eluteria bark oilFL/FR
atlas cedarwood oilFR
 anthemis nobilis flower oil romanFL/FR
 chamomile valerateFR
 cinnamon bark oil ceylonFL/FR
 cinnamon leaf oil ceylonFL/FR
 cinnamon oleoresin ceylonFL/FR
 cinnamyl acetateFL/FR
 cinnamyl propionateFL/FR
 clary propyl acetateFR
 clary sage absoluteFL/FR
 clove bud absoluteFL/FR
 cyclamen aldehydeFL/FR
2,4-difurfuryl furanFL
2',4'-dimethyl acetophenoneFL/FR
 dimethyl benzyl carbinolFL/FR
 dimethyl benzyl carbinyl acetateFL/FR
2,4-dimethyl cyclohexyl methyl acetateFR
american elder flower absoluteFR
 canarium luzonicum oilFL/FR
 artemisia dracunculus herb oilFL/FR
 ethyl levulinateFL/FR
isoeugenyl ethyl acetalFR
 frankincense absoluteFL/FR
 frankincense resinoidFL/FR
 freesia heptanolFL/FR
 galangal root oilFL/FR
(E)-germacrene DFL/FR
 ginger oleoresin africaFL/FR
 ginger root oil brazilFL/FR
 ginger root oil chinaFL/FR
 grains of paradise oilFL/FR
 guaiacwood oilFL/FR
 guaiyl acetateFL/FR
 heliotropyl diethyl acetalFR
 hexoxyacetaldehyde dimethyl acetalFR
2-hexylidene cyclopentanoneFL/FR
 dacrydium franklinii wood oilFR
 juniper berry oleoresinFL/FR
 lavender absolute bulgariaFL/FR
 linaloe wood oil mexicoFL/FR
 linalool oxideFL/FR
(Z)-linalool oxide (furanoid)FL/FR
 mace oilFL/FR
 marigold pot absoluteFL/FR
 menthadienyl formateFR
3-mercaptohexyl acetateFL/FR
ortho-methoxybenzyl ethyl etherFR
 methyl benzyl acetate (mixed ortho-,meta-,para-)FL/FR
4-methyl biphenylFL
 methyl cyclogeranateFR
 methyl heptadienoneFL/FR
(E)-beta-methyl iononeFL/FR
beta-isomethyl iononeFL/FR
(E)-alpha-methyl ionone (50-60%)FL/FR
alpha-isomethyl ionone (50% min.)FL/FR
 methyl phenyl sulfideFL
 mimosa absolute franceFL/FR
 myrcenyl acetateFL/FR
 octanal diethyl acetalFL/FR
 opoponax absolute (balsamodendron kafal)FL/FR
bitter orangeflower concrete moroccoFR
 orris rhizome absolute (iris pallida)FL/FR
curled parsley seed oilFL/FR
 patchouli absoluteFR
 petitgrain cedrat oilFL/FR
 petitgrain lemon oilFL/FR
 phenethyl isobutyrateFL/FR
 phenethyl isovalerateFL/FR
 allspice berry absoluteFL/FR
 pine needle oil dwarfFL/FR
(E)-propyl 2-furan acrylateFL/FR
4-isopropyl phenolFL/FR
 rhodinyl isobutyrateFL/FR
 rhubarb pyranFR
 rhubarb undecaneFR
 rose carboxylateFR
 rose concrete (rosa centifolia)FR
 rose oil (rosa damascena) bulgariaFL/FR
 sandal octanolFR
 spicy carbonateFR
 spicy pentanoneFL/FR
 spikenard oilFL/FR
 star fruit oil cubaFL/FR
 styralyl formateFL/FR
common tansy flower oilFR
common tansy flower oil dutchFR
common tansy leaf oil dutch 
common tansy oil canadaFR
(E)-tiglic acidFL/FR
 tropical iononeFL/FR
 tuberose absolute (from concrete)FL/FR
 tuberose absolute (from pommade)FL/FR
 turmeric oleoresinFL
 turmeric root absoluteFL/FR
 vanillin propylene glycol acetalFL/FR
 vetiver pentanoneFR
 ylang ylang flower absoluteFL/FR
 zedoary bark oilFL/FR
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Potential Uses:
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Natural Occurrence in: note
 not found in nature
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3,4,4a,5,8,8a-hexahydro-3',7 (or 6)-dimethylspiro(1,4-methanonaphthalene-2(1H),2'-oxirane)
3,4,4a,5,8,8a-hexahydro-3',7'-dimethyl spiro(1,4-methanonaphthalene-2(1H),2'-oxirane)
3',7'-hexahydrodimethyl spiromethanonaphthalene oxirane
 rhubarb oxirane
 rhubofix (Firmenich)
 spiro(1,4-methanonaphthalene-2(1H),2'-oxirane), 3,4,4a,5,8,8a-hexahydro-3',7-dimethyl-
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click on the picture(s) below to
interact with the 3D model
Picture of molecule
Soluble in:
 water, 21.56 mg/L @ 25 °C (est)
Insoluble in:
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