coumane

General Material Information

Preferred name	coumane
Trivial Name	1a,7b-dihydro-1H-cyclopropa[c]chromen-2-one
Short Description	2-(2-hydroxyphenyl) cyclopropanecarboxylic acid delta-lactone
Formula	C10 H8 O2
CAS Number	5617-64-1
FEMA Number	4270
FDA UNII	9GH194GRKB
xLogP3-AA	1.60 (est)
NMR Predictor	External link
JECFA Food Flavoring	2224 2-(2-hydroxyphenyl)cyclopropanecarboxylic acid delta-lactone
FDA Patent	No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm	5617-64-1 ; 2-(2-HYDROXYPHENYL) CYCLOPROPANECARBOXYLIC ACID DELTA LACTONE
Synonyms	benzo(b)cyclopropa[d]pyran-2(1ah)-one, 1,7b-dihydro- (+/-)- coumane coumane, (+/-)- cyclopropyl coumarin cyclopropylcoumarin 1a,7b- dihydro-1H-cyclopropa[c]chromen-2-one 1,1a- dihydrocyclopropa(c)chromen-2(7bH)-one 1a,7b- dihydrocyclopropa[c]chromen-2(1H)-one 2-(2-hydroxyphenyl) cyclopropane carboxylic acid delta-lactone 2-(2-hydroxyphenyl) cyclopropanecarboxylic acid δ-lactone 2-(2-hydroxyphenyl) cyclopropanecarboxylic acid delta-lactone 2-(2-hydroxyphenyl) cyclopropanecarboxylic delta-lactone 2-(2-hydroxyphenyl)cyclopropanecarboxylic acid delta-lactone

(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
FooDB:	FDB009610
ChemSpider:	View

Material listed in food chemical codex	No
Molecular weight	160.17216491699
Specific gravity	@ 25 °C
Pounds per Gallon	10.368 to 11.366
Refractive Index	1.595 to 1.635 @ 20 °C
Boiling Point	245 to 246°C @ 760 mm Hg
Vapor Pressure	0.028 mmHg @ 25 °C
Flash Point TCC Value	95.2 °C TCC
logP (o/w)	1.66
Solubility
alcohol	Yes
water, 6469 mg/L @ 25 °C (est)	Yes
water	No

Odor Type: Coumarinic
green, spicy, coumarinic, nutty, vanilla
General comment	At 10.00 % in dipropylene glycol. sweet green spicy coumarin nutty vanilla

Applications	flavor and fragrance agents
Odor purposes	Autumn, Benzoin absolute replacer, Deertongue absolute replacer, Fig, Flouve, Flouve blossom, Hay new mown hay, Heliotrope, Immortelle, Peru balsam, Sweet grass, Tobacco, Tobacco, Tobacco flower, Tonka bean, Vanilla
Flavoring purposes	Benzoin absolute replacer, Immortelle, Marshmallow
Other purposes	Straw, Wet fields


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
Recommendation for coumane usage levels up to:
	2.0000 % in the fragrance concentrate.

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: 23
Click here to view publication 23
		average usual ppm	average maximum ppm
baked goods:		11.00000	20.00000
beverages(nonalcoholic):		2.00000	4.00000
beverages(alcoholic):		1.00000	5.00000
breakfast cereal:		-	-
cheese:		-	-
chewing gum:		-	-
condiments / relishes:		-	-
confectionery froastings:		-	-
egg products:		-	-
fats / oils:		-	-
fish products:		-	-
frozen dairy:		6.00000	15.00000
fruit ices:		-	-
gelatins / puddings:		7.00000	15.00000
granulated sugar:		-	-
gravies:		-	-
hard candy:		11.00000	40.00000
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:		10.00000	20.00000
soups:		-	-
sugar substitutes:		-	-
sweet sauces:		-	-

AIDS Citations:Search

Cancer Citations:Search

Toxicology Citations:Search

EPA Substance Registry Services (SRS):Registry

Laboratory Chemical Safety Summary :11959971

National Institute of Allergy and Infectious Diseases:Data

1a,7b-dihydro-1H-cyclopropa[c]chromen-2-one

Chemidplus:0005617641