cassyrane

General Material Information

Preferred name	cassyrane
Trivial Name	5-tert-butyl-2-methyl-5-propyl-2H-furan
Formula	C12 H22 O
CAS Number	871465-49-5
FEMA Number	4731
FDA UNII	K0M5IA152B
Nikkaji Number	J2.243.533G
xLogP3-AA	3.50 (est)
NMR Predictor	External link
JECFA Food Flavoring	2189 cassyrane
FDA Patent	No longer provide for the use of these seven synthetic flavoring substances
Synonyms	5-tert- butyl-2-methyl-5-propyl-2H-furan 2-tert- butyl-5-methyl-2-propyl-2,5-dihydrofuran 2-(tert- butyl)-5-methyl-2-propyl-2,5-dihydrofuran (±)-cis and trans-2-(1,1-dimethylethyl)-2,5-dihydro-5-methyl-2-propylfuran 5-methyl-2-(2-methyl-2-propanyl)-2-propyl-2,5-dihydrofuran

Leffingwell:	Chirality or Article
	5-tert-butyl-2-methyl-5-propyl-2H-furan
NIST Chemistry WebBook:	Search Inchi
Pubchem (cid):	11658397
Pubchem (sid):	152711732

Publications by Google Scholar
Comparative Studies on some Blackcurrant Odorants and Fruit Esters using a Combination of Microwave Spectroscopy and Quantum Chemical Calculations
Publications by US Patents
7,632,790 - Trisubstituted furans suitable for the preparation of fragrance compositions

(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):	Search
ChemSpider:	View
Wikipedia:	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

Material listed in food chemical codex	No
Molecular weight	182.30653381348
Specific gravity	@ 25 °C
Pounds per Gallon	7.223 to 7.256
Refractive Index	1.448 to 1.452 @ 20 °C
Boiling Point	217 to 218°C @ 760 mm Hg
Vapor Pressure	0.196 mmHg @ 25 °C
Flash Point TCC Value	80.3 °C TCC
logP (o/w)	3.874 est
Solubility
alcohol	Yes
water, 10.25 mg/L @ 25 °C (est)	Yes

Odor Type: Fruity
currant black currant, natural, eucalyptus, anise, buchu, leafy, green
General comment	At 10.00 % in dipropylene glycol. blackcurrant, natural, rich, eucalyptus buds, anise, buchu leaves, slightly green
Flavor Type: Fruity
currant black currant, fruity
General comment	Currant black currant

Applications	flavor and fragrance agents
Odor purposes	Currant black currant


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

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice

Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 26
Click here to view publication 26
	average usual ppm	average maximum ppm
baked goods:	-	-
beverages(nonalcoholic):	-	-
beverages(alcoholic):	-	-
breakfast cereal:	-	-
cheese:	-	-
chewing gum:	50.00000	500.00000
condiments / relishes:	-	-
confectionery froastings:	10.00000	50.00000
egg products:	-	-
fats / oils:	-	-
fish products:	-	-
frozen dairy:	-	-
fruit ices:	-	-
gelatins / puddings:	-	-
granulated sugar:	-	-
gravies:	-	-
hard candy:	10.00000	50.00000
imitation dairy:	-	-
instant coffee / tea:	-	-
jams / jellies:	10.00000	20.00000
meat products:	-	-
milk products:	-	-
nut products:	-	-
other grains:	-	-
poultry:	-	-
processed fruits:	-	-
processed vegetables:	-	-
reconstituted vegetables:	-	-
seasonings / flavors:	-	-
snack foods:	-	-
soft candy:	-	-
soups:	-	-
sugar substitutes:	-	-
sweet sauces:	-	-

AIDS Citations:Search

Cancer Citations:Search

Toxicology Citations:Search

EPA Substance Registry Services (SRS):Registry

Laboratory Chemical Safety Summary :11658397

National Institute of Allergy and Infectious Diseases:Data

5-tert-butyl-2-methyl-5-propyl-2H-furan

Chemidplus:0871465495