Pyrethrum Extract Pyrethrin 25% 50%
Pyrethrum is a perennial herb belonging to the genus Anthracium in the asteraceae family.
Native to Dalmatia, Yugoslavia, it is also widely cultivated in Kenya, Congo, and Japan in modern times.
Introduced in China in 1917 in Jiangsu and Zhejiang, the main economic value of pyrethrin lies in its insecticidal ingredient - pyrethrin.
This substance is non-toxic to humans and animals, no harm to plants, but it is easy to decompose and fail under strong light and high temperature.
Pyrethrin has the effect of paralyzing and knocking down pests. It has a wide insecticidal range and is a strong insecticide
Pyrethrum Extract
Pyrethrin 25% 50%
CAS number 8003-34-7
Molecular weight 328.445
Density 1.0±0.1 g/cm3
Boiling point 421.7±45.0 °C at 760 mmHg
Molecular formula C21H28O3
Melting point 90-95 °C(lit.)
Flash point 181.0±28.8 °C
Analysis Method: HPLC
Place of Origin:China
Packaging:1KG/Bottles. 25kg/Plastics drums
Product Name: | Pyrethrum Extract | Batch Number: | N0619 |
Botanical Source: | Pyrethrum cinerariifolium Trev. | Origina | China |
Item | Standard | Test Result |
Pyrethrin I | ---- | 30.6% |
Pyrethrin II | ---- | 19.78% |
Pyrethrin | ---- | 50.35% |
Pyrethrin I /Pyrethrin II | 1.0-2.0 | 1.6% |
Physical & Chemical |
Appearance | Viscous amber liquid liquid oil | Complies |
Specific Gravity | 0.95-0.99 | 0.97 |
Solubility | Easily soluble in ethanol, methanol,and MSO | Complies |
Loss on Drying | ≤1.0% | 0.41% |
PH | 4-7 | 4.8 |
Solvents | ND | Complies |
Fuction of Pyrethrum Extract Pyrethrin 25% 50%
1. Insecticidal action:
Pyrethrum can effectively repel or kill pests, especially for mosquitoes, fleas, bedbugs and so on have a significant effect.
It works by producing pyrethrin, a substance that interferes with a pest's nervous system, causing paralysis and eventual death.
2. Topical treatment of scabies:
Pyrethrin also has the efficacy of treating scabies and can be applied topically to relieve skin problems caused by scabies.
Raw material for mosquito repellent: Pyrethrin is widely used as a raw material for mosquito repellent to
help people repel mosquitoes in their homes and protect family members from mosquito bites.
3. Environmentally friendly:
Compared with chemical synthetic insecticides, pyrethrin has the advantages of high efficiency, low toxicity and easy degradation,
so it has been widely used in agricultural production, and has less impact on the environment and human health.
However, it is important to note that sensitive people may experience allergic reactions such as rashes, rhinitis, asthma,
and even symptoms such as pale complexion and convulsions when they touch or inhale pollen or powder after pyrethrum.
Therefore, appropriate protective measures should be taken when using pyrethrum products.
