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

thymohydroquinone
1,4-benzenediol, 2-methyl-5-(1-methylethyl)-

Supplier Sponsors

Name:2-methyl-5-propan-2-ylbenzene-1,4-diol
CAS Number: 2217-60-9Picture of molecule3D/inchi
FDA UNII: 1C2ICM1R8V
Nikkaji Web:J7.367I
Beilstein Number:2084452
XlogP3:2.90 (est)
Molecular Weight:166.21998000
Formula:C10 H14 O2
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:natural substances and extractives
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
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Google Scholar: with word "odor"Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
PubMed:Search
NCBI:Search
 
Physical Properties:
Food Chemicals Codex Listed: No
Boiling Point: 306.00 to 307.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure:0.000427 mmHg @ 25.00 °C. (est)
Flash Point: 298.00 °F. TCC ( 147.90 °C. ) (est)
logP (o/w): 2.116 (est)
Soluble in:
 alcohol
 water, 622.2 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Description:fennel
Taste Description: bitter fennel
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
2,5-DIHYDROXY-P-CYMENE
 
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:
intraperitoneal-rat LD50 25 mg/kg
Arzneimittel-Forschung. Drug Research. Vol. 15, Pg. 1227, 1965.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category:
natural substances and extractives
Recommendation for thymohydroquinone usage levels up to:
 not for fragrance use.
 
Recommendation for thymohydroquinone flavor usage levels up to:
 not for flavor use.
 
Safety References:
EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :95779
National Institute of Allergy and Infectious Diseases:Data
2-methyl-5-propan-2-ylbenzene-1,4-diol
Chemidplus:0002217609
 
References:
 2-methyl-5-propan-2-ylbenzene-1,4-diol
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):95779
Pubchem (sid):135052906
 
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
None Found
 
Potential Uses:
FRfennel
 
Occurrence (nature, food, other):note
 bergamot plant wild
Search Trop Picture
 marjoram wild marjoram
Search Trop Picture
 origanum syriacum
Search Trop Picture
 
Synonyms:
1,4-benzenediol, 2-methyl-5- (1-methylethyl)-
1,4-benzenediol, 2-methyl-5-(1-methylethyl)-
p-cymene-2,5-diol
para-cymene-2,5-diol
p-cymene-2,5-diol (8CI)
 hydroquinone, 5-isopropyl-2-methyl-
 hydrothymoquinone
4-hydroxy-5-isopropyl-2-methylphenol
5-methyl-2-(methylethyl)benzene-1,4-diol
2-methyl-5-(1-methyl ethyl)-1,4-benzene diol
2-methyl-5-(propan-2-yl)benzene-1,4-diol
2-methyl-5-isopropyl hydroquinone
2-methyl-5-isopropylhydroquinone
2-methyl-5-propan-2-ylbenzene-1,4-diol
5-isopropyl-2-methyl hydroquinone
2-isopropyl-5-methylbenzene-1,4-diol
2-isopropyl-5-methylhydroquinone
 quinol, 2-methyl-5-isopropyl-
 thymoquinol
 

Articles:

PubMed:Chemical constituents and antibacterial property of the essential oil of the roots of Cyathocline purpurea.
PubMed:Distribution of primary and specialized metabolites in Nigella sativa seeds, a spice with vast traditional and historical uses.
PubMed:Anticancer activity of Nigella sativa (black seed) - a review.
PubMed:Essential oil composition of aerial parts of Cyclospermum leptophyllum (Pers.) Sprague ex Britton and P. Wilson.
PubMed:In vitro antifungal effect of black cumin seed quinones against dairy spoilage yeasts at different acidity levels.
PubMed:Composition, in vitro antioxidant and antimicrobial activities of essential oil and oleoresins obtained from black cumin seeds (Nigella sativa L.).
PubMed:Inhibition of in vitro leukotriene B4 biosynthesis in human neutrophil granulocytes and docking studies of natural quinones.
PubMed:Distribution of primary and specialized metabolites in Nigella sativa seeds, a spice with vast traditional and historical uses.
PubMed:Anticancer activity of Nigella sativa (black seed) - a review.
PubMed:In vitro antifungal effect of black cumin seed quinones against dairy spoilage yeasts at different acidity levels.
PubMed:Chemical composition of Nigella sativa L. seed extracts obtained by supercritical carbon dioxide.
PubMed:Depsides and other polar constituents from Origanum dictamnus L. and their in vitro antimicrobial activity in clinical strains.
PubMed:In vitro acetylcholinesterase inhibitory properties of thymol, carvacrol and their derivatives thymoquinone and thymohydroquinone.
PubMed:The antitumor activity of thymoquinone and thymohydroquinone in vitro and in vivo.
PubMed:Polar constituents from the aerial parts of Origanum vulgare L. Ssp. hirtum growing wild in Greece.
PubMed:Neuroprotective effects of thymoquinone against transient forebrain ischemia in the rat hippocampus.
PubMed:In vitro inhibitory effects of thymol and quinones of Nigella sativa seeds on cyclooxygenase-1- and -2-catalyzed prostaglandin E2 biosyntheses.
PubMed:Monoterpene glucosides from Origanum syriacum.
PubMed:High performance liquid chromatographic analysis of the pharmacologically active quinones and related compounds in the oil of the black seed (Nigella sativa L.).
PubMed:Microbial models of mammalian metabolism. Fungal metabolism of phenolic and nonphenolic p-cymene-related drugs and prodrugs. I. Metabolites of thymoxamine.
PubMed:On the metabolic detoxication of thymol in rabbit and man.
PubMed:Isolation and structure assignment of an antimicrobial principle from the volatile oil of Nigella sativa L. seeds.
PubMed:Antimicrobial activity of the volatile oil of Nigella sativa Linneaus seeds.
PubMed:Studies on the antihistaminic effects of thymoquinone, thymohydroquinone and quercetin.
PubMed:[Synthesis of thymohydroquinone].
 
Notes:
None found
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