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

Main Uses

1. Household insecticide: Fly, mosquito, cockroach, flea control; fast knockdown, low mammalian toxicity.
2. Agricultural pest control: Organic farming; aphids, caterpillars, whiteflies; no residual persistence.
3. Veterinary & public health: Livestock insect repellent; lice/tick treatment; safe for mammals.
4. Formulation raw material: Aerosols, sprays, dusts, coils; often combined with piperonyl butoxide (PBO) for synergism.