geosmin

[4S-(4a,4aa,8ab)]-octahydro-4,8a-dimethyl-4a(2H)-naphthalenol

CAS: 19700-21-1 C12 H22 O MW: 182.30654000 earthy

All Ingredients Aromatic Ingredients CAS Numbers EINECS Numbers FLAVIS Numbers Flavor Ingredients Found in Nature Fragrance Ingredients M.W Index Odor Substantivity Specific Gravity

Identification

Name	geosmin
IUPAC	(4S,4aS,8aR)-4,8a-dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-4a-ol
CAS Number	19700-21-1
EINECS	243-239-8
FDA UNII	MYW912WXJ4
Molecular Formula	C12 H22 O
Molecular Weight	182.30654000
Nikkaji Number	J3.785K
Beilstein	2410491
CoE Number	10216

Regulatory

Physical Properties

Appearance	yellow clear liquid (est)
Assay	92.00 to 100.00
Food Chemicals Codex Listed	No
Boiling Point	270.00 to 271.00 °C. @ 760.00 mm Hg
Vapor Pressure	0.001000 mmHg @ 25.00 °C. (est)
Flash Point	219.00 °F. TCC ( 103.89 °C. )
logP (o/w)	3.497 (est)
Soluble in	alcohol
Insoluble in	water

Organoleptic Properties

Odor Description

at 1.00 % in dipropylene glycol.

Safety Information

European information	Most important hazard(s):
Oral/Parenteral Toxicity	Not determined
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	flavor and fragrance agents
RIFM Fragrance Material Safety Assessment	Search
Recommendation for geosmin usage levels up to	0.0500 % in the fragrance concentrate.

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19700-21-1 4a(2H)-Naphthalenol,octahydro-4,8a-dime

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Potential Uses

FR earth FR fern FR herbal FR moss FR ocean sea FR sea breeze FR patchouli FR seaweed absolute replacer FR thyme oil white replacer

Natural Occurrence

algae blue-green algae PMC beet red beet PMC corn husk oil corn seed oil corn silk fungi PMC streptomyces spp. PMC

Synonyms

(4S,4aS,8aR)-4,8a- dimethyl decalin-4a-ol (4S,4aS,8aR)-4,8a- dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-4a-ol 1,10-trans- dimethyl-trans-(9)-decalol (4S,4aS,8aR)-4,8a- dimethyloctahydro-4a(2H)-naphthalenol (4S,4aS,8aR)-4,8a- dimethyloctahydronaphthalen-4a(2H)-ol 4a(2H)- naphthalenol, octahydro-4,8a-dimethyl-, (4S,4aS,8aR)- [4S-(4a,4aa,8ab)]- octahydro-4,8a-dimethyl-4a(2H)-naphthalenol (4S-(4alpha,4aalpha,8abeta))- octahydro-4,8a-dimethyl-4a(2H)-naphthol octahydro-4,8alpha-dimethyl-4alpha(2H)-naphthalenol octahydro-4alpha,8abeta-dimethyl-4aalpha(2H)-naphthol Info: Geosmin PubMed: Pharmacokinetics of valerenic acid after single and multiple doses of valerian in older women. PubMed: Root colonization by symbiotic arbuscular mycorrhizal fungi increases sesquiterpenic acid concentrations in Valeriana officinalis L. PubMed: Transport of a GABAA receptor modulator and its derivatives from Valeriana officinalis L. s. l. across an in vitro cell culture model of the blood-brain barrier. PubMed: Preserved pharmacological activity of hepatocytes-treated extracts of valerian and St. John's wort. PubMed: In vitro activity of commercial valerian root extracts against human cytochrome P450 3A4. PubMed: Stability control of valerian ground material and extracts: a new HPLC-method for the routine quantification of valerenic acids and lignans. PubMed: Analysis of sesquiterpenes in Valeriana officinalis by capillary electrophoresis. PubMed: Cytotoxic potential of valerian constituents and valerian tinctures.