Pyrethrins
Also known as: Pyrethrum, Pyrethrins (technical), Nature Pyrethrins, 2-methyl-4-oxo-3-(2-propenyl)cyclopent-2-en-1-yl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropane carboxylate, 3-(2-propenyl)-2-methyl-4-oxo-2-cyclopentenyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate
Pyrethrins (CAS 8003-34-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C43H56O8 and a molecular weight of 700.91300 g/mol. Key properties include a melting point of 90-95 °C(lit.), a boiling point of 421.7±45.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 181.0±28.8 °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 Nov 2, 2026.
- CAS No.
- 8003-34-7
- Jingsj CID
- J-27391-2
- Molecular Formula
- C43H56O8
- Molecular Weight
- 700.91300 g/mol
- Category
- Esters
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 90-95 °C(lit.) |
|---|---|
| Boiling Point | 421.7±45.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 181.0±28.8 °C |
| Exact Mass | 328.203857 |
| PSA | 113.04000 |
| LogP | 5.39 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.524 |
| Storage Conditions | 2-8℃ |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 29400010 |
|---|
Frequently Asked Questions
What is the CAS number of Pyrethrins?
The CAS number of Pyrethrins is 8003-34-7.
What are the molecular formula and molecular weight of Pyrethrins?
Pyrethrins has molecular formula C43H56O8 and molecular weight 700.91300 g/mol.
Is Pyrethrins hazardous?
Pyrethrins 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 such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrethrins (CAS 8003-34-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27391-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.