Ethynodiol diacetate
双醋炔诺醇
Also known as: 17α-Ethynyl-4-estrene-3β,17β-diol diacetate, 19-Nor-17α-pregn-4-en-20-yne-3β,17β-diol diacetate, 3β,17β-Diacetoxy-17α-ethynyl-4-estrene, Ethinodiol diacetate, Femulen, Ovulen, Metrodiol diacetate, Cervicundin, Continuin, Luto-metrodiol, SC 11800, CB-8080, Etynodiol
Ethynodiol diacetate (CAS 297-76-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C24H32O4 and a molecular weight of 384.509 g/mol. It is also known as 17α-Ethynyl-4-estrene-3β,17β-diol diacetate, 19-Nor-17α-pregn-4-en-20-yne-3β,17β-diol diacetate and 3β,17β-Diacetoxy-17α-ethynyl-4-estrene. Key properties include a melting point of 128 - 131ºC, a boiling point of 461.1±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 221.8±27.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 297-76-7
- Jingsj CID
- J-1957098-9
- Molecular Formula
- C24H32O4
- Chinese Name
- 双醋炔诺醇
- Molecular Weight
- 384.509 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128 - 131ºC |
|---|---|
| Boiling Point | 461.1±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 221.8±27.1 °C |
| Exact Mass | 384.230072 |
| PSA | 52.60000 |
| LogP | 5.44 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.546 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H351 — Suspected of causing cancer
Frequently Asked Questions
What is the CAS number of Ethynodiol diacetate?
The CAS number of Ethynodiol diacetate is 297-76-7.
What are the molecular formula and molecular weight of Ethynodiol diacetate?
Ethynodiol diacetate has molecular formula C24H32O4 and molecular weight 384.509 g/mol.
Is Ethynodiol diacetate hazardous?
Ethynodiol diacetate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethynodiol diacetate (CAS 297-76-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957098-9 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.