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General Material Information

Preferred name diosphenol
Trivial Name Diosphenol
Short Description (+/-)-2-hydroxypiperitone
Formula C10 H16 O2
CAS Number 490-03-9
FEMA Number 4143
Flavis Number 7.168
ECHA Number 207-704-9
FDA UNII 4221SIG7EK
Nikkaji Number J6.041K
xLogP3-AA 2.00 (est)
NMR Predictor External link
JECFA Food Flavoring 2038 (+/-)-2-hydroxypiperitone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 490-03-9 ; (+/-)-2-HYDROXYPIPERITONE
Synonyms
  • barosma camphor
  • buccocamphor
  • buchu camphor
  • 2-cyclohexen-1-one, 2-hydroxy-3-methyl-6-(1-methylethyl)-
  • diosphenol natural
  • diosphenol south africa, natural isolated constituent
  • 2-hydroxy-3-methyl-6-(1-methyl ethyl)-2-cyclohexen-1-one
  • 2-hydroxy-3-methyl-6-(1-methylethyl)-2-cyclohexen-1-one
  • 2-hydroxy-3-methyl-6-(propan-2-yl)cyclohex-2-en-1-one
  • 2-hydroxy-3-methyl-6-propan-2-ylcyclohex-2-en-1-one
  • 2-hydroxy-6-(isopropyl)-3-methyl cyclohex-2-en-1-one
  • 2-hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one
  • 2-hydroxy-6-isopropyl-3-methyl-2-cyclohexen-1-one
  • 2-hydroxy-6-isopropyl-3-methylcyclohex-2-en-1-one
  • (+/-)-2-hydroxypiperitone
  • (±)-2-hydroxypiperitone
  • 2-hydroxypiperitone
  • 1-p- menthen-2-ol-3-one
  • 1-methyl-4-isopropyl-1-cyclohexen-2-ol-3-one
  • 2-hydroxy-3-methyl-6-propan-2-ylcyclohex-2-en-1-one
  • 2-Cyclohexen-1-one, 2-hydroxy-3-methyl-6-(1-methylethyl)-
  • 2-Hydroxy-3-methyl-6-(1-methylethyl)-2-cyclohexen-1-one
  • 2-Hydroxypiperitone
  • 1-p-Menthen-2-ol-3-one
  • 1-Methyl-4-isopropyl-1-cyclohexen-2-ol-3-one
  • 2-Hydroxy-p-menth-1-en-3-one
  • 2-Hydroxy-3-methyl-6-(propan-2-yl)cyclohex-2-en-1-one
  • 2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-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
FDA Substances Added to Food (formerly EAFUS):View
CHEBI:View
KEGG (GenomeNet):C09854
HMDB (The Human Metabolome Database):HMDB37014
FooDB:FDB009611
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View
FAO:(+/-)-2-Hydroxypiperitone

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 168.2359161377
Specific gravity @ 25 °C
Pounds per Gallon
Vapor Pressure 0.00031 mmHg @ 25 °C
Flash Point TCC Value 93.33 °C TCC
logP (o/w) 1.072 est
Solubility
alcohol Yes
water, 139.7 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Minty
minty, buchu, leafy, currant bud black currant bud, phenolic, cornmint, mentholic, herbal, woody
Odor strength high , recommend smelling in a 10.00 % solution or less
Substantivity 29 hour(s) at 10.00 % in dipropylene glycol
Luebke, William tgsc, (2021) At 10.00 % in dipropylene glycol. minty buchu leaves black currant bud phenolic cornmint mentholic herbal woody
Flavor Type: Minty
minty, cornmint, buchu, currant bud black currant bud, phenolic, mentholic, herbal, earthy
Luebke, William tgsc, (2021) Minty cornmint buchu black currant bud phenolic mentholic herbal earthy

Occurrences

Potential Uses

Applications
Odor purposes Currant black currant, Floral
Flavoring purposes Buchu leaf

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:
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 diosphenol usage levels up to:
0.3000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.0012 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 1600 (μg/person/day)
Threshold of Concern:90 (μg/person/day)
Structure Class: III
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: 22
Click here to view publication 22
average usual ppmaverage maximum ppm
baked goods: 5.0000025.00000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: 2.0000010.00000
cheese: 3.0000015.00000
chewing gum: --
condiments / relishes: 2.0000010.00000
confectionery froastings: 4.0000020.00000
egg products: --
fats / oils: 2.0000010.00000
fish products: 1.000005.00000
frozen dairy: 3.0000015.00000
fruit ices: 3.0000015.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: 3.0000015.00000
instant coffee / tea: --
jams / jellies: --
meat products: 1.000005.00000
milk products: 3.0000015.00000
nut products: --
other grains: --
poultry: --
processed fruits: 2.0000010.00000
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 2.0000010.00000
snack foods: 5.0000025.00000
soft candy: --
soups: 2.0000010.00000
sugar substitutes: --
sweet sauces: 2.0000010.00000
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 3.0000015.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 2.0000010.00000
Edible ices, including sherbet and sorbet (03.0): 3.0000015.00000
Processed fruit (04.1): 2.0000010.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 4.0000020.00000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 2.0000010.00000
Bakery wares (07.0): 5.0000025.00000
Meat and meat products, including poultry and game (08.0): 1.000005.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 1.000005.00000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 2.0000010.00000
Foodstuffs intended for particular nutritional uses (13.0): 3.0000015.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 2.0000010.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 4.0000020.00000
Ready-to-eat savouries (15.0): 5.0000025.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 2.0000010.00000

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 11, Revision 2 (FGE.11Rev2): Aliphatic dialcohols, diketones, and hydroxyketones from chemical groups 8 and 10
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 11, Revision 3 (FGE.11Rev3): Aliphatic dialcohols, diketones, and hydroxyketones from chemical groups 8 and 10
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

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):490-03-9
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :79023
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 3334
2-hydroxy-3-methyl-6-propan-2-ylcyclohex-2-en-1-one
Chemidplus:0000490039