thymohydroquinone
1,4-benzenediol, 2-methyl-5-(1-methylethyl)-
Identification
| Name | thymohydroquinone |
| IUPAC | 2-methyl-5-propan-2-ylbenzene-1,4-diol |
| CAS Number | 2217-60-9 |
| FDA UNII | 1C2ICM1R8V |
| Molecular Formula | C10 H14 O2 |
| Molecular Weight | 166.21998000 |
| Nikkaji Number | J7.367I |
| Beilstein | 2084452 |
| XlogP3 | 2.90 (est) |
Regulatory
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 |
| Insoluble in | water |
Organoleptic Properties
| Odor Description | fennel |
| Taste Description | bitter fennel |
Safety Information
| Oral/Parenteral Toxicity | intraperitoneal-rat LD50 25 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| 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. |
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Potential Uses
Natural Occurrence
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-iso
propyl-2-methyl hydroquinone
2-iso
propyl-5-methylbenzene-1,4-diol
2-iso
propyl-5-methylhydroquinone
quinol, 2-methyl-5-isopropyl-
thymoquinol
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].