geosmin
土臭素
Also known as: (-)-geosmin, (4S,4aS,8aR)-4,8a-dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-4a-ol, 4,8a-Dimethyloctahydro-4a(2H)-naphthalenol, 4a(2H)-Naphthalenol, octahydro-4,8a-dimethyl-, (4S,4aS,8aR)-, 4a-alpha-(2H)-Naphthol, octahydro-4-alpha,8a-beta-dimethyl-, trans-1,10-dimethyl-trans-9-decalol, octahydro-4,8a-dimethyl-4a(2H)-naphthalenol
geosmin (CAS 19700-21-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H22O and a molecular weight of 182.30200 g/mol. It is also known as (-)-geosmin, (4S,4aS,8aR)-4,8a-dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-4a-ol and 4,8a-Dimethyloctahydro-4a(2H)-naphthalenol. Key properties include a boiling point of 252.4ºC at 760 mmHg, a density of 0.985 g/cm3 and a flash point of 104.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19700-21-1
- Jingsj CID
- J-1138269-0
- Molecular Formula
- C12H22O
- Chinese Name
- 土臭素
- Molecular Weight
- 182.30200 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 252.4ºC at 760 mmHg |
|---|---|
| Density | 0.985 g/cm3 |
| Flash Point | 104.2ºC |
Frequently Asked Questions
What is the CAS number of geosmin?
The CAS number of geosmin is 19700-21-1.
What are the molecular formula and molecular weight of geosmin?
geosmin has molecular formula C12H22O and molecular weight 182.30200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "geosmin (CAS 19700-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138269-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.