Page last updated: 2024-11-06

galaxolide

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

Galaxolide, also known as 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]benzopyran, is a synthetic musk fragrance used in perfumes and cosmetics. It is characterized by a clean, powdery, and woody scent. The synthesis of Galaxolide involves a multi-step process starting with the Diels-Alder reaction of a substituted cyclopentadiene with a cyclic dienophile. This results in the formation of a bicyclic intermediate that is further modified through a series of reactions to produce the final Galaxolide molecule. Research has shown that Galaxolide is a potent fragrance molecule with a high olfactory intensity. Its unique molecular structure contributes to its long-lasting aroma and its ability to diffuse well in air. The popularity of Galaxolide stems from its pleasant scent profile, its versatility in fragrance formulations, and its relatively low cost. However, concerns have been raised regarding its potential environmental impact, particularly its persistence in the environment and its bioaccumulation in aquatic organisms. Studies investigating its potential endocrine disrupting effects are also ongoing. Galaxolide is studied to understand its olfactory properties, to explore its potential for applications in different fragrance products, and to evaluate its environmental and toxicological impacts.'

galaxolide: musk fragrance; structure given in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

galaxolide : An organic heterotricyclic compound that is 1,3,4,6,7,8-hexahydrocyclopenta[g]isochromene substituted by methyl groups at positions 4, 6, 6, 7, 8 and 8 respectively. It is a synthetic musk used as a fragrance in cosmetics. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Cross-References

ID SourceID
PubMed CID91497
CHEMBL ID1883305
CHEBI ID83784
SCHEMBL ID115118
MeSH IDM0102923

Synonyms (51)

Synonym
galaxolide 1+2
4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocyclopenta[g]isochromene
1222-05-5
pearlide
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno(5,6-c)pyran
galaxolide white
galaxolide
hhcb
cyclopenta(g)-2-benzopyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-
hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-gamma-2-benzopyran
hexahydrohexamethyl cyclopentabenzopyran
abbalide
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-cyclopenta-gamma-2-benzopyran
einecs 214-946-9
cyclopenta[g]-2-benzopyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-
galoxolide
NCGC00164416-01
4,6,6,7,8,8-hexamethyl-1,3,4,7-tetrahydrocyclopenta[g]isochromene
NCGC00164416-02
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran
14170060at ,
ec 214-946-9
unii-14170060at
hsdb 7514
ccris 8402
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta(g)-2-benzopyran
AKOS016010343
FT-0623819
S12385
galaxolide [hsdb]
hhcb [mi]
hexamethylindanopyran
hexamethylindanopyran [inci]
SCHEMBL115118
CHEBI:83784 ,
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno[5,6-c]pyran
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-cyclopenta[g]-2-benzopyran
CHEMBL1883305
4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocyclopenta[g]isochromene #
galaxolide 1
G0415
DTXSID8027373
mfcd00072199
4,6,6,7,8,8-hexamethyl-1h,3h,4h,6h,7h,8h-indeno[5,6-c]pyran
1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran (ca. 50% in diethyl phthalate)
cc1(c)c2=cc3=c(cocc3c)c=c2c(c)(c)c1c
galaxolide;4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocyclopenta[g]isochromene
4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocyclopenta[g]isochromene, ca. 48-52% in diethyl phthalate
Q2268349
A891175
CS-0152668

Research Excerpts

Toxicity

ExcerptReferenceRelevance
" While all adverse effects occurred at concentrations that are much greater than those reported in natural waters (low microg/L to ng/L), these results indicate the potential for adverse effects on these long-lived organisms from exposure to synthetic musk fragrances."( Toxicity of synthetic musks to early life stages of the freshwater mussel Lampsilis cardium.
Bartsch, MR; Gooding, MP; Hornbuckle, KC; Newton, TJ, 2006
)
0.33
"AHTN (Tonalide) and HHCB (galaxolide) are recognized as ubiquitous contaminants in soil and have potential adverse impacts on soil organisms."( Acute toxicity, biochemical and gene expression responses of the earthworm Eisenia fetida exposed to polycyclic musks.
Chen, C; Liu, S; Xiu, Z; Zhou, Q, 2011
)
0.67
" The aims of this study were to evaluate the toxic effects on Daphnia magna from exposure to the polycyclic musks and the heavy metals in combination with stress from suspended solids exposure."( The Influence of Suspended Solids on the Combined Toxicity of Galaxolide and Lead to Daphnia magna.
Chen, F; Yao, Q; Zhou, X, 2015
)
0.66
" These results demonstrate the application of FTIR spectroscopy to sediment toxicity testing of chemicals to benthic invertebrates with biochemical alterations as endpoints that are more sensitive than standard toxic endpoints (e."( Insights into the sediment toxicity of personal care products to freshwater oligochaete worms using Fourier transform infrared spectroscopy.
Hu, LX; Pan, CG; Peng, FJ; Van den Brink, PJ; Ying, GG, 2019
)
0.51
" In the present study, HHCB was found to be toxic to Navicula sp."( Algal toxicity, accumulation and metabolic pathways of galaxolide.
Cai, M; Ding, T; Jia, X; Li, J; Li, W; Yang, B; Yang, M, 2020
)
0.81
" Results showed that AgNPs was toxic to Euglena sp."( Individual and combined toxicity of silver nanoparticles and triclosan or galaxolide in the freshwater algae Euglena sp.
Ding, T; Li, J; Lin, S; Wei, L; Yue, Z, 2023
)
1.14

Bioavailability

ExcerptReferenceRelevance
" The percutaneous absorption rate of both chemicals was ∼11%."( In vitro determination of transdermal permeation of synthetic musks and estimated dermal uptake through usage of personal care products.
Gu, Y; Li, X; Yu, Y; Zhang, X, 2017
)
0.46
" The bioavailability and choice of bioassay endpoints played important roles in elucidating causality."( Identifying bioaccessible suspect toxicants in sediment using adverse outcome pathway directed analysis.
Cheng, F; Fu, Z; Li, H; Ma, H; Wu, F; You, J, 2020
)
0.56

Dosage Studied

ExcerptRelevanceReference
" In 96-h tests with juveniles, we did not observe a dose-response relation between mortality and either musk."( Toxicity of synthetic musks to early life stages of the freshwater mussel Lampsilis cardium.
Bartsch, MR; Gooding, MP; Hornbuckle, KC; Newton, TJ, 2006
)
0.33
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (1)

RoleDescription
fragranceA substance, extract, or preparation for diffusing or imparting an agreeable or attractive smell.
[role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Drug Classes (2)

ClassDescription
isochromenes
organic heterotricyclic compoundAn organic tricyclic compound in which at least one of the rings of the tricyclic skeleton contains one or more heteroatoms.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Protein Targets (2)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
pregnane X nuclear receptorHomo sapiens (human)Potency70.79460.005428.02631,258.9301AID720659
estrogen nuclear receptor alphaHomo sapiens (human)Potency11.22020.000229.305416,493.5996AID588514
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (167)

TimeframeStudies, This Drug (%)All Drugs %
pre-19901 (0.60)18.7374
1990's5 (2.99)18.2507
2000's49 (29.34)29.6817
2010's93 (55.69)24.3611
2020's19 (11.38)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 32.39

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be moderate demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index32.39 (24.57)
Research Supply Index5.15 (2.92)
Research Growth Index5.76 (4.65)
Search Engine Demand Index87.16 (26.88)
Search Engine Supply Index4.00 (0.95)

This Compound (32.39)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials1 (0.58%)5.53%
Reviews2 (1.17%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other168 (98.25%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]