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General Material Information

Preferred name rhubafuran
Trivial Name 2,4-Dimethyl-4-phenyltetrahydrofuran
Short Description furan, tetrahydro-2,4-dimethyl-4-phenyl-
Formula C12 H16 O
CAS Number 82461-14-1
ECHA Number 279-967-8
FDA UNII 85JUZ61OL5
Nikkaji Number J320.399I
xLogP3-AA 2.90 (est)
NMR Predictor External link
Synonyms
  • 2,4-dimethyl-4-phenyl tetrahydrofuran
  • 2,4-dimethyl-4-phenyloxolane
  • 2,4-dimethyl-4-phenyltetrahydrofuran
  • furan, tetrahydro-2,4-dimethyl-4-phenyl-
  • rhubafurlan
  • rhubarb furan
  • rhuboxide
  • rhuboxide (A.C.S. International)
  • 2,4-dimethyl-4-phenyloxolane
  • Tetrahydro-2,4-dimethyl-4-phenylfuran
  • 2,4-Dimethyl-4-phenyltetrahydrofuran

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

Leffingwell:Chirality or Article
2,4-dimethyl-4-phenyloxolane
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:82461-14-1
Pubchem (cid):113514
Pubchem (sid):135247985
Publications by US Patents
4,549,029 - Substituted tetrahydrofurans

Other Information

(IUPAC):Atomic Weights of the Elements 2011 (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):HMDB36021
FooDB:FDB014839
Export Tariff Code:2932.19.0000
ChemSpider:View
EFSA Update of results on the monitoring of furan levels in food:Read Report
EFSA Previous report: Results on the monitoring of furan levels in food:Read Report
EFSA Report of the CONTAM Panel on provisional findings on furan in food:Read Report

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 176.25871276855
Specific gravity @ 20 °C
Pounds per Gallon 8.206 to 8.256
Refractive Index 1.514 to 1.52 @ 20 °C
Boiling Point 248 to 249°C @ 760 mm Hg
Vapor Pressure 0.038 mmHg @ 25 °C
Flash Point TCC Value 93.33 °C TCC
logP (o/w) 2.773 est
Solubility
alcohol Yes
water, 65.97 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Citrus
green, rhubarb, grapefruit, citrus, herbal, eucalyptus, woody
Odor strength medium , recommend smelling in a 10.00 % solution or less
Substantivity 24 hour(s) at 100.00 %
General comment At 10.00 % in dipropylene glycol. green rhubarb grapefruit citrus herbal eucalyptus woody
Rhubafuran has an intense tangy rhubarb character, with a green eucalyptus heart very suitable in citrus accords. It is especially good for air fresheners. Rhubarb, Green, Fresh, Citrus

Potential Uses

Applications
Odor purposes Citrus, Grapefruit, Green, Herbal, Rhubarb
Cosmetic purposes Perfuming agents

Safety Information

Safety information

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
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for rhubafuran usage levels up to:
2.0000 % in the fragrance concentrate.
Recommendation for rhubafuran flavor usage levels up to:
not for flavor use.

Safety references

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :113514
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
2,4-dimethyl-4-phenyloxolane
Chemidplus:0082461141