(R)-tonka furanone

General Material Information

Preferred name	(R)-tonka furanone
Trivial Name	(6R)-5,6-Dihydro-3,6-dimethyl-2(4H)-benzofuranone
Short Description	(R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one
Formula	C10 H12 O2
CAS Number	75640-26-5
FDA UNII	1V9879K8AV
Nikkaji Number	J1.540.013G
COE Number	10034
NMR Predictor	External link
JECFA Food Flavoring	1163 dehydromenthofurolactone
FDA Mainterm	75640-26-5 ; DEHYDROMENTHOFUROLACTONE
Synonyms	2(4H)- benzofuranone, (R)-5,6-dihydro-3,6-dimethyl- (R)- dehydromenthofurolactone (R)-5,6-dihydro-3,6-dimethyl-2(4H)-benzofuranone (theta)-5,6-dihydro-3,6-dimethyl-2(4H)-benzofuranone (R)-5,6-dihydro-3,6-dimethyl-4H-benzofuran-2-one (R)-3,6-dimethyl-4,5-dihydro-6H-benzo(b)furan-2-one (R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one (R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one 2(4H)-Benzofuranone, 5,6-dihydro-3,6-dimethyl-, (6R)- 2(4H)-Benzofuranone, 5,6-dihydro-3,6-dimethyl-, (R)- (6R)-5,6-Dihydro-3,6-dimethyl-2(4H)-benzofuranone (R)-Dehydromenthofurolactone (6R)-3,6-Dimethyl-2,4,5,6-tetrahydro-1-benzofuran-2-one

(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
FDA Substances Added to Food (formerly EAFUS):	View
HMDB (The Human Metabolome Database):	Search
VCF-Online:	VCF Volatile Compounds in Food
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

Material listed in food chemical codex	No
Molecular weight	164.20404052734
Specific gravity	@ 25 °C
Pounds per Gallon	9.07 to 9.12
Refractive Index	1.542 to 1.548 @ 20 °C
Boiling Point	264 to 266°C @ 10 mm Hg
Boiling Point	331 to 333°C @ 760 mm Hg
Acid Value	1 max KOH/g
Vapor Pressure	0.000154 mmHg @ 25 °C
Flash Point TCC Value	137.22 °C TCC
logP (o/w)	1.927 est
Solubility
alcohol	Yes
water, slightly	Yes
water, 1718 mg/L @ 25 °C (est)	Yes
water	No

Odor Type: Coumarinic
lactonic, coumarinic, sweet, coconut
General comment	At 100.00 %. lactonic coumarin sweet coconut

Applications	flavoring agents
Odor purposes	Hay new mown hay, Tonka bean


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:
flavoring agents
Recommendation for (R)-tonka furanone usage levels up to:
	not for fragrance use.

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: 15
Click here to view publication 15
		average usual ppm	average maximum ppm
baked goods:		-	-
beverages(nonalcoholic):		-	1.00000
beverages(alcoholic):		-	-
breakfast cereal:		-	-
cheese:		-	-
chewing gum:		-	20.00000
condiments / relishes:		-	-
confectionery froastings:		-	5.00000
egg products:		-	-
fats / oils:		-	-
fish products:		-	-
frozen dairy:		-	-
fruit ices:		-	-
gelatins / puddings:		-	2.00000
granulated sugar:		-	-
gravies:		-	-
hard candy:		-	5.00000
imitation dairy:		-	-
instant coffee / tea:		-	-
jams / jellies:		-	-
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 :71587277

National Institute of Allergy and Infectious Diseases:Data

(R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one

Chemidplus:0075640265