Pyriproxyfen
Also known as: 2-[1-methyl-2-(4-phenoxyphenoxy)ethoxy]pyridine, 4-phenoxyphenyl (RS)-2-(2-pyridyloxy)propyl ether, 2-{[1-(4-phenoxyphenoxy)propan-2-yl]oxy}pyridine, Admiral, Sumilarv, Nylar, S-31183, OMS 3019
Pyriproxyfen (CAS 95737-68-1) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C20H19NO3 and a molecular weight of 321.370 g/mol. Key properties include a melting point of 45-47°C, a boiling point of 462.0±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 165.4±16.2 °C. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 95737-68-1
- Jingsj CID
- J-3075-5
- Molecular Formula
- C20H19NO3
- Molecular Weight
- 321.370 g/mol
- Category
- Ethers
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 45-47°C |
|---|---|
| Boiling Point | 462.0±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 165.4±16.2 °C |
| Exact Mass | 321.136505 |
| PSA | 40.58000 |
| LogP | 4.84 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.581 |
GHS Safety & Compliance
- H410 — Very toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of Pyriproxyfen?
The CAS number of Pyriproxyfen is 95737-68-1.
What are the molecular formula and molecular weight of Pyriproxyfen?
Pyriproxyfen has molecular formula C20H19NO3 and molecular weight 321.370 g/mol.
Is Pyriproxyfen hazardous?
Pyriproxyfen has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of Pyriproxyfen?
For Pyriproxyfen, Upstream Products: 2-Chloropyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyriproxyfen (CAS 95737-68-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3075-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.