Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Pyrethrins
Alias: Pyrethrum extract; Pyrethrin I & II; Cinerin; Jasmolin
CAS No. : 8003-34-7
Molecular Formula: C??H??O?
Molecular Weight: 700.9 g/mol
Classification: Natural botanical insecticide; Pyrethroid; Chrysanthemum cinerariaefolium extract
Physical & Chemical Properties
- Appearance: Yellow to amber viscous oily liquid
- Odor: Characteristic mild aromatic odor
- Solubility: Insoluble in water; soluble in alcohols, acetone, kerosene, most organic solvents
- Density: 0.84–0.86 g/cm3
- Refractive Index: n??/D 1.45
- Flash Point: 75 °C
- Stability: Stable to light/acid; decomposes in alkaline conditions
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Pyrethrins | — | Natural insecticide |
| CAS No. | 8003-34-7 | — | Technical grade |
| Appearance | Yellow viscous liquid | — | Concentrated extract |
| Molecular Formula | C??H??O? | — | Mixture of 6 esters |
| Molecular Weight | 700.9 | g/mol | Average |
| Purity | 25% / 50% / 70% | % | GC (total pyrethrins) |
Main Uses
- Household insecticide: Fly, mosquito, cockroach, flea control; fast knockdown, low mammalian toxicity.
- Agricultural pest control: Organic farming; aphids, caterpillars, whiteflies; no residual persistence.
- Veterinary & public health: Livestock insect repellent; lice/tick treatment; safe for mammals.
- Formulation raw material: Aerosols, sprays, dusts, coils; often combined with piperonyl butoxide (PBO) for synergism.
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