1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one (CAS 21145-77-7) — formula C18H26O, molecular weight 258.4; category organic chemicals.
1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one (CAS 21145-77-7) is a chemical raw material in the organic chemicals category. Its molecular formula C18H26O comprises 18 C, 26 H, 1 O atoms. Its molecular weight is about 258.4. Reported physicochemical data: melting point around 54.5 °C, LogP about log Kow = 5.70. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 21145-77-7 |
|---|---|
| Molecular Formula | C18H26O |
| Molecular Weight | 258.4 |
| Melting Point | 54.5 °C |
| LogP | log Kow = 5.70 |
| Applications | fragrance for cosmetics, detergents, fabric softeners, household cleaning products, and air fresheners, used in soap and cosmetics |
| Category | Organic Chemicals |
Documented applications: fragrance for cosmetics, detergents, fabric softeners, household cleaning products, and air fresheners, used in soap and cosmetics.
1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one is a carbon-based organic compound with CAS registry number 21145-77-7 and molecular formula C18H26O (molecular weight 258.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 21145-77-7
Its molecular formula C18H26O comprises 18 C, 26 H, 1 O atoms.
Also known as: 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one · 吐纳麝香 · 6-ACETYL-1,1,2,4,4,7-HEXAMETHYLTETRALIN
Category: organic chemicals
The CAS registry number of 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one is 21145-77-7.
Molecular formula C18H26O, molecular weight 258.4.
It is also registered under: 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one, 吐纳麝香, 6-ACETYL-1,1,2,4,4,7-HEXAMETHYLTETRALIN.
Recorded applications: fragrance for cosmetics, detergents, fabric softeners, household cleaning products, and air fresheners, used in soap and cosmetics.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one (CAS 21145-77-7), compiled from public chemistry databases.
| CAS Number | 21145-77-7 |
|---|---|
| PubChem CID | 89440 |
| Molecular Formula | C18H26O |
| IUPAC Name | 1-(3,5,5,6,8,8-hexamethyl-6,7-dihydronaphthalen-2-yl)ethanone |
| UNII (FDA) | 360Q8Z01IP |
| Molecular Weight | 258.4 |
|---|---|
| XLogP3 | 5.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 258.198365449 |
| Monoisotopic Mass | 258.198365449 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 19 |
| Melting Point | 54.5 °C |
|---|---|
| Vapor Pressure | 0.000512 [mmHg] |
| LogP | log Kow = 5.70 |
Tonalide; 21145-77-7; Tonalid; Tetralide; AHTN; Tentarome; Musk tonalid; DTXSID7041544; AHMT (perfume); 360Q8Z01IP; DTXCID5021544; 2'-Acetonaphthone, 5',6',7',8'-tetrahydro-3',5',5',6',8',8'-hexamethyl-; RefChem:898611; 1506-02-1; 6-Acetyl-1,1,2,4,4,7-hexamethyltetralin; 1-(3,5,5,6,8,8-hexamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethanone
| GHS notifications | 2.1% (38 / 1807) |
|---|
| GHS notifications | 2.1% (38 / 1807) |
|---|---|
| Notified hazard statements | H302 (97.7%), H400 (90.7%), H410 (97.9%), H411 (23.1%), H319, H373 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.