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cyclotene hydrate

Chemical Structure

General Material Information

Preferred name cyclotene hydrate
Trivial Name 2-Hydroxy-3-methyl-2-cyclopenten-1-one
Short Description methyl cyclopentenolone hydrate
Formula C6 H8 O2
CAS Number 80-71-7
FEMA Number 2700
Flavis Number 7.056
ECHA Number 201-303-2
FDA UNII 627E92X64B
Nikkaji Number J10.510D
Beilstein Number 2039308
COE Number 758
xLogP3-AA 0.30 (est)
NMR Predictor External link
JECFA Food Flavoring 418 methylcyclo- pentenolone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
Synonyms
  • corylone
  • nat. cyclotene hydrate
  • cyclotene hydrate natural
  • 2-hydroxy-1-methyl cyclopenten-3-one hydrate
  • 2-hydroxy-3-methyl cyclopent-2-en-1-one hydrate
  • 2-hydroxy-3-methyl cyclopent-2-enone hydrate
  • 2-hydroxy-3-methyl-2-cyclopenten-1-one hydrate
  • 2-hydroxy-3-methylcyclopent-2-en-1-one
  • maple lactone (hydrous)
  • maple lactone hydrate
  • nat. MCP
  • 3-methyl cyclopentan-1,2-dione hydrate
  • 3-methyl cyclopentane-1,2-dione hydrate
  • methyl cyclopentenolone hydrate
  • methyl cyclopentenolone monohydrate
  • methyl cyclopentenolone monohydrate natural
  • 3-methyl-2-cyclopentene-2-olone hydrate
  • methylcyclo- pentenolone
  • 3-methylcyclopentan-1,2-dione hydrate
  • 2-hydroxy-3-methylcyclopent-2-en-1-one
  • 2-Cyclopenten-1-one, 2-hydroxy-3-methyl-
  • 2-Hydroxy-3-methyl-2-cyclopenten-1-one
  • Cyclotene
  • Cycloten
  • 2-Hydroxy-3-methyl-2-cyclopentenone
  • Corylon
  • 3-Methylcyclopent-2-en-2-ol-1-one
  • 3-Methyl-2-hydroxy-2-cyclopentenone
  • 2-Hydroxy-1-methylcyclopenten-3-one
  • Maple lactone
  • Cyclotene (odorant)
  • NSC 133445
  • NSC 84226
  • 2-Hydroxy-3-methyl-2-cyclopentene-1-one
  • MCP
  • 2-Hydroxy-1-methyl-1-cyclopentene-3-one
  • 3-Methyl-2-hydroxy-2-cyclopenten-1-one

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

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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):Search
YMDB (Yeast Metabolome Database):YMDB01663
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 112.12815856934
Melting Point 104 to 108°C @ 760 mm Hg
Vapor Pressure 0.005 mmHg @ 25 °C
Flash Point TCC Value 93.33 °C TCC
logP (o/w) -0.43 est
Solubility
alcohol Yes
water, slightly Yes
water, 8501 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Caramellic
caramellic, maple
General comment At 1.00 % in dipropylene glycol. caramel maple syrup
Flavor Type: Caramellic
caramellic, maple
General comment Caramellic

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
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:
oral-guinea pig LD50 1400 mg/kg

oral-guinea pig LD50 1400 mg/kg
Food and Cosmetics Toxicology. Vol. 14, Pg. 809, 1976.

intraperitoneal-mouse LDLo 500 mg/kg
Food and Cosmetics Toxicology. Vol. 14, Pg. 809, 1976.

intraperitoneal-rat LDLo 500 mg/kg
Food and Cosmetics Toxicology. Vol. 14, Pg. 809, 1976.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

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 cyclotene hydrate usage levels up to:
0.0500 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 570.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 710.00 (μg/capita/day)
Structure Class: II
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: 3
Click here to view publication 3
average usual ppmaverage maximum ppm
baked goods: -13.00000
beverages(nonalcoholic): -11.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: 8.0000015.00000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -5.60000
fruit ices: -5.60000
gelatins / puddings: -14.00000
granulated sugar: --
gravies: --
hard candy: -18.00000
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: --

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Flavouring Group Evaluation 213: alpha,beta-Unsaturated alicyclic ketones and precursors from chemical subgroup 2.7 of FGE.19
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 83, Revision 1 (FGE.83Rev1): Consideration of ethyl maltol and two 6-keto-1,4-dioxane derivatives substances evaluated by JECFA (65th meeting)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 213, Revision 2 (FGE.213Rev2): Consideration of genotoxic potential for a,ß-unsaturated alicyclic ketones and precursors from chemical subgroup 2.7 of FGE.19
View page or View pdf

Safety and efficacy of secondary aliphatic saturated or unsaturated alcohols, ketones, ketals and esters with a second secondary or tertiary oxygenated functional group belonging to chemical group 10 when used as flavourings for all animal species
View page or View pdf

EPI System: View
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
EPA Substance Registry Services (TSCA):80-71-7
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6660
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-hydroxy-3-methylcyclopent-2-en-1-one
Chemidplus:0000080717
RTECS:GY7298000 for cas# 80-71-7