EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

hydroxydimethyl cyclopentenone
2-cyclopenten-1-one, 2-hydroxy-3,4-dimethyl-

Supplier Sponsors

CAS Number: 21835-00-7Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:244-604-4
Nikkaji Web:J225.451D
XlogP3-AA:0.60 (est)
Molecular Weight:126.15510000
Formula:C7 H10 O2
NMR Predictor:Predict (works with chrome or firefox)
Category:fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
 
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Boiling Point: 245.00 to 247.00 °C. @ 760.00 mm Hg
Vapor Pressure:0.005000 mmHg @ 25.00 °C. (est)
Flash Point: 213.00 °F. TCC ( 100.56 °C. )
logP (o/w): 0.106 (est)
Soluble in:
 alcohol
 water, 3326 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: caramellic
caramellic
Odor Description:caramellic
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Carbosynth
For experimental / research use only.
2-Hydroxy-3,4-dimethyl-2-cyclopenten-1-one
Endeavour Specialty Chemicals
2-Hydroxy-3,4-dimethyl-2-cyclopenten-1-one 97% F&F
Speciality Chemical Product Groups
Robinson Brothers
2-Hydroxy-3,4-dimethyl-2-cyclopenten-1-one F&F
https://www.robinsonbrothers.uk/chemistry-competences
 
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:
fragrance agents
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
 
Recommendation for hydroxydimethyl cyclopentenone flavor usage levels up to:
 not for flavor use.
 
Safety References:
EPI System: View
EPA Substance Registry Services (TSCA):21835-00-7
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :89539
National Institute of Allergy and Infectious Diseases:Data
2-hydroxy-3,4-dimethylcyclopent-2-en-1-one
Chemidplus:0021835007
 
References:
 2-hydroxy-3,4-dimethylcyclopent-2-en-1-one
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:21835-00-7
Pubchem (cid):89539
Pubchem (sid):135046620
Flavornet:21835-00-7
 
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
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
acidic
cyclohexyl acetic acid
FL/FR
balsamic
2-
acetyl furan
FL/FR
iso
amyl pyruvate
FL/FR
opoponax absolute (commiphora erythraea var. glabrescens engle)
FL/FR
opoponax oil (commiphora erythraea var. glabrescens engle)
FL/FR
opoponax resin (commiphora erythraea var. glabrescens engler)
FL/FR
opoponax resinoid (commiphora erythraea var. glabrescens engle)
FR
bready
furfural
FL/FR
buttery
acetyl butyryl
FL/FR
acetyl propionyl
FL/FR
iso
butyl lactate
FL/FR
3,4-
hexane dione
FL/FR
caramellic
butterscotch fragrance
FR
2-oxo
butyric acid
FL/FR
caramel fragrance
FR
caramel furanone solution
FL/FR
caramel pentadione
FL/FR
coffee dione
FL/FR
cyclotene
FL/FR
cyclotene hydrate
FL/FR
diethyl malate
FL/FR
alpha,alpha-
dimethyl anisyl acetone
FL/FR
ethyl cyclopentenolone
FL/FR
ethyl furaneol
FL/FR
ethyl maltol
FL/FR
5-
ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one
FL/FR
fenugreek absolute
FL/FR
fenugreek concrete
FR
fenugreek oleoresin
FL/FR
fenugreek seed oil
FL/FR
geranyl crotonate
FR
helichrysum italicum flower absolute
FL/FR
helichrysum italicum flower extract
FL/FR
immortelle absolute
FL/FR
levulinic acid
FL/FR
malt fragrance
FR
maltol
FL/FR
maltyl isobutyrate
FL/FR
maltyl propionate
FL/FR
maple fragrance
FR
maple furanone
FL/FR
menthone lactone
FL/FR
mesitene lactone
FR
5-
methyl furfural
FL/FR
iso
propenyl pyrazine
FL/FR
propyl pyruvate
FL/FR
rosefuran
FL/FR
shoyu furanone
FL/FR
strawberry furanone
FL/FR
strawberry furanone acetate
FL/FR
strawberry furanone solution
FL/FR
toffee furanone
FL/FR
trigonella foenum-graecum essence
FL/FR
trigonella foenum-graecum extract
FL/FR
trigonella foenum-graecum tincture
FL/FR
chocolate
chocolate pyrazine A
FL/FR
clean
amerinal
FR
coconut
gamma-
heptalactone
FL/FR
coumarinic
tonka bean resinoid
FR
creamy
cyclotene propionate
FL/FR
geranyl ethyl acetal
FR
ethereal
ethyl 4-pentenoate
FL/FR
ethyl pyruvate
FL/FR
fatty
(R)-gamma-
decalactone
FL/FR
fermented
ethyl (E)-2-crotonate
FL/FR
fruity
iso
butyl 2-butenoate
FL/FR
ethyl lactate
FL/FR
(E)-
ethyl tiglate
FL/FR
methyl nonane dione
FL/FR
2-
pentyl furan
FL/FR
(E,E)-
pomarose
FR
tetrahydrofurfuryl acetate
FL/FR
green
iso
amyl 3-(2-furan) propionate
FL/FR
herbal
butyl levulinate
FL/FR
moldy
strawberry furanone methyl ether
FL/FR
nutty
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
3,5-
cocoa pyrazine
FL/FR
1,2-
cyclohexane dione
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
nutty quinoxaline
FL/FR
2,3,5,6-
tetramethyl pyrazine
FL/FR
phenolic
4-
methyl-2,6-dimethoxyphenol
FL/FR
popcorn
2-
acetyl-3,6-dimethyl pyrazine
FL/FR
roasted
trigonella foenum-graecum seed oil CO2 extract
FL/FR
spicy
(E)-
propyl 2-furan acrylate
FL/FR
(E)-
tiglic acid
FL/FR
sweet
2-
hydroxy-3,4,5-trimethyl-2-cyclopenten-1-one
FL/FR
tonka bean absolute replacer
FR
vanilla oleoresin bali
FL/FR
tonka
tonka bean absolute
FR
vanilla
crème brulee fragrance
FR
ethyl vanillin
FL/FR
ethyl vanillin isobutyrate
FL/FR
vanilla bean absolute (vanilla planifolia)
FL/FR
vanilla oleoresin bourbon
FL/FR
vanillyl isobutyrate
FL/FR
vegetable
tetrahydrofurfuryl alcohol
FL/FR
waxy
phenethyl octanoate
FL/FR
For Flavor
No flavor group found for these
2-
acetyl-3,6-dimethyl pyrazine
FL/FR
iso
amyl pyruvate
FL/FR
chocolate pyrazine A
FL/FR
1,2-
cyclohexane dione
FL/FR
cyclotene propionate
FL/FR
(R)-gamma-
decalactone
FL/FR
diethyl malate
FL/FR
alpha,alpha-
dimethyl anisyl acetone
FL/FR
ethyl 4-pentenoate
FL/FR
5-
ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one
FL/FR
2-
hydroxy-3,4,5-trimethyl-2-cyclopenten-1-one
FL/FR
menthone lactone
FL/FR
methyl nonane dione
FL/FR
propyl pyruvate
FL/FR
rosefuran
FL/FR
iso
amyl 3-(2-furan) propionate
FL/FR
acidic
acidic
levulinic acid
FL/FR
balsamic
opoponax absolute (commiphora erythraea var. glabrescens engle)
FL/FR
opoponax oil (commiphora erythraea var. glabrescens engle)
FL/FR
opoponax resin (commiphora erythraea var. glabrescens engler)
FL/FR
brown
2-oxo
butyric acid
FL/FR
fenugreek oleoresin
FL/FR
furfural
FL/FR
5-
methyl furfural
FL/FR
tetrahydrofurfuryl acetate
FL/FR
(E)-
tiglic acid
FL/FR
burnt
iso
propenyl pyrazine
FL/FR
buttery
iso
butyl lactate
FL/FR
3,4-
hexane dione
FL/FR
caramellic
caramel furanone solution
FL/FR
caramel pentadione
FL/FR
cyclotene
FL/FR
cyclotene hydrate
FL/FR
ethyl furaneol
FL/FR
ethyl maltol
FL/FR
fenugreek absolute
FL/FR
fenugreek seed oil
FL/FR
maltol
FL/FR
maltyl propionate
FL/FR
maple furanone
FL/FR
shoyu furanone
FL/FR
strawberry furanone
FL/FR
strawberry furanone acetate
FL/FR
strawberry furanone solution
FL/FR
toffee furanone
FL/FR
trigonella foenum-graecum essence
FL/FR
trigonella foenum-graecum extract
FL/FR
trigonella foenum-graecum tincture
FL/FR
coffee
coffee dione
FL/FR
creamy
acetyl butyryl
FL/FR
fruity
ethyl lactate
FL/FR
(E)-
ethyl tiglate
FL/FR
phenethyl octanoate
FL/FR
(E)-
propyl 2-furan acrylate
FL/FR
green
iso
butyl 2-butenoate
FL/FR
helichrysum italicum flower absolute
FL/FR
helichrysum italicum flower extract
FL/FR
immortelle absolute
FL/FR
2-
pentyl furan
FL/FR
herbal
butyl levulinate
FL/FR
jammy
ethyl cyclopentenolone
FL/FR
maltyl isobutyrate
FL/FR
lactonic
gamma-
heptalactone
FL/FR
moldy
strawberry furanone methyl ether
FL/FR
musty
ethyl (E)-2-crotonate
FL/FR
nutty
2-
acetyl furan
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
2-
acetyl-5-methyl furan
FL/FR
3,5-
cocoa pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
nutty quinoxaline
FL/FR
tetrahydrofurfuryl alcohol
FL/FR
2,3,5,6-
tetramethyl pyrazine
FL/FR
phenolic
4-
methyl-2,6-dimethoxyphenol
FL/FR
roasted
trigonella foenum-graecum seed oil CO2 extract
FL/FR
rummy
ethyl pyruvate
FL/FR
sweet
cyclohexyl acetic acid
FL/FR
vanilla oleoresin bali
FL/FR
toasted
acetyl propionyl
FL/FR
vanilla
ethyl vanillin
FL/FR
ethyl vanillin isobutyrate
FL/FR
vanilla bean absolute (vanilla planifolia)
FL/FR
vanilla oleoresin bourbon
FL/FR
vanillyl isobutyrate
FL/FR
 
Potential Uses:
FLcaramel
FLmeat
 
Occurrence (nature, food, other):note
 bacon
Search PMC Picture
 coffee
Search PMC Picture
 
Synonyms:
 cyclopent-2-en-1-one, 3,4-dimethyl-2-hydroxy-
2-cyclopenten-1-one, 2-hydroxy-3,4-dimethyl-
3,4-dimethyl-2-hydroxycyclopent-2-en-1-one
2-hydroxy-3,4-dimethyl cyclopent-2-en-1-one
2-hydroxy-3,4-dimethyl-2-cyclopenten-1-one
2-hydroxy-3,4-dimethylcyclopent-2-en-1-one
 
 
Notes:
None found
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