Good Quality and price new Acaricide spiromesifen 22.9%SC for mites

Short Description:

spiromesifen is a spirocyclic quaternary ketone acid insecticide and acaricide developed by Bayer. Its mechanism of action is unique, by inhibiting the fat synthesis in the body of the mites, destroying the energy metabolism activities of the mites, and finally killing the mites

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How does spiromesifen work?

The mechanism of action of spiromesifen is to affect the development of whiteflies and mites, interfere with the biosynthesis of their liposomes, especially for the larval stages of whiteflies and mites. and the reproductive capacity of whitefly adults, greatly reducing the number of eggs laid.

Main feature of spiromesifen

①New chemistry with a novel mode of action which provides effective pest control
②Active against all stages of whitefly & Mites nymphs
③Long duration control at less per day cost than market standards
④No cross-resistance to other acaricides therefore best tool for resistance management
⑤Excellent Rain fastness
⑥Safe to pollinators, beneficial insects, environment & spray man
⑦Acarin has label claim on many crops and hence gives the flexibility for uses

Application of spiromesifen

Spiromethicone can be used in corn, cotton, potato, vegetables (tomato, eggplant, cucumber, sweet pepper, etc.) and other horticultural crops (apple, citrus, etc.) on Bemisia tabaci, whitefly, spider mites, and yellow mites For the prevention and control of pests such as psyllids and psyllids.product (1)

Basic Information

Basic Information of Acaricide spiromesifen

Product Name spiromesifen
Chemical name 3-mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl3,3-dimethylbutyrate
CAS No. 283594-90-1
Molecular Weight 370.5g/mol
Formula C23H30O4
Tech & Formulation Spiromesifen 95% TCSpiromesifen 24% SC 
Appearance for TC Off-White powder
Physical and chemical properties Melting point 96.7~98.7 ℃Vapor pressure 7 × 10-3 mPa (20 ℃)
Solubility in organic solvent (g/L, 20℃): n-heptane 23, isopropanol 115, n-octanol 60, polyethylene glycol 22, dimethyl sulfoxide 55, xylene, 1,2-dichloro >250 in methane, acetone, ethyl acetate and acetonitrile
Toxicity Be safe to human being, livestock, environment.


Formulation of Spiromesifen


TC 95% Spiromesifen TC
Liquid formulation Spiromesifen 22.9% SC

Quality Inspection Report

①COA of Spiromesifen TC

COA of Spiromesifen95% TC

Index name Index value Measured  value
Appearance Off-white powder Off-white powder
Purity ≥95% 97.15%
Loss on drying (%) ≤0.2% 0.13%

②COA of Spiromesifen 240g/l SC

Spiromesifen 240g/l SC COA
Item Standard Results
Appearance Flowable and easy to measure volume suspension,without caking/ off-white liquide Flowable and easy to measure volume suspension,without caking/ off-white liquide
Purity, g/L ≥240 240.2
PH 4.5-7.0 6.5
 Suspension rate, % ≥90 93.7
wet sieve test( 75um )% ≥98 99.0
Residue after dumping ,% ≤3.0 2.8
Continuous foaming(after 1min ),ml ≤30 25

 Package of Spiromesifen

Spiromesifen Package

TC 25kg/bag 25kg/drum
SC Big package 200L/plastic or Iron drum
Small package 100ml/bottle250ml/bottle500ml/bottle



Alu bottle/Coex bottle/HDPE bottle

or as your demand

Note Made according to your demand

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Shippment of Spiromesifen

Shippment way:by sea/ by air/ by express

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1.What’s your payment terms?
Standard terms: T/T in advance and Western Union.
Also L/C at sight is acceptable for large amount.

2.What’s your shipping time?
We have a large stock, which means we can deliver the goods to you immediately.

3.How do you ensure the quality of your products?
Strict QC with 6 steps testing from raw material purchase to finished product.

4.How do you ship the order normally?
For large qty order,ship the goods by sea.
For small qty order, by air or express. We supply optional express for you, including DHL,FEDEX,UPS,TXT,EMS,and so on.

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