Ethephon
Also known as: 2-chloroethylphosphonic acid, CEPA, 2-CEPA, 2-Chloroethanephosphonic acid, Arvest, Prep, 2-chloroethyl phosphoric acid, EINECS 240-718-3, MFCD00002142
Ethephon (CAS 16672-87-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H6ClO3P and a molecular weight of 144.494 g/mol. Key properties include a melting point of 70-72 °C(lit.), a boiling point of 333.4±44.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 155.4±28.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16672-87-0
- Jingsj CID
- J-32931-8
- Molecular Formula
- C2H6ClO3P
- Molecular Weight
- 144.494 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 70-72 °C(lit.) |
|---|---|
| Boiling Point | 333.4±44.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 155.4±28.4 °C |
| Exact Mass | 143.974304 |
| PSA | 67.34000 |
| LogP | -1.42 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.479 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H311 — Toxic in contact with skin
- H314 — Causes severe skin burns and eye damage
- H411 — Toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Bae KH, et al. Enhanced ginsenoside productivity by combination of ethephon and methyl jasmoante in ginseng (Panax ginseng C.A. Meyer) adventitious root cultures. Biotechnol Lett. 2006 Aug;28(15):1163-6. |
|---|
Customs & Trade Information
| HS Code | 2931900043 |
|---|---|
| Summary | 2931900043 (2-chloroethyl)phosphonic acid。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethephon?
The CAS number of Ethephon is 16672-87-0.
What are the molecular formula and molecular weight of Ethephon?
Ethephon has molecular formula C2H6ClO3P and molecular weight 144.494 g/mol.
Is Ethephon hazardous?
Ethephon has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H311 — Toxic in contact with skin.
What are the upstream and downstream products of Ethephon?
For Ethephon, Upstream Products: Diethyl (2-chloroethyl)phosphonate, Bis(2-chloroethyl) 2-chloroethylphosphonate, Chloroethane; Downstream Products: Vinylphosphonic acid, (2-Hydroxyethyl)phosphonic acid, (2-Aminoethyl)phosphonic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethephon (CAS 16672-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32931-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.