Description

Emamectin B1B is a highly potent and selective insecticide belonging to the avermectin chemical class, derived from the fermentation of the soil bacterium *Streptomyces avermitilis*. This compound matters for its exceptional efficacy against a broad spectrum of lepidopteran pests at very low application rates, offering a powerful tool for integrated pest management (IPM) programs. It is primarily needed by the global agricultural industry for protecting high-value crops such as cotton, vegetables, fruits, and ornamentals from devastating insect damage.

Application

• Agricultural Insecticide: Primary use for controlling lepidopteran pests (e.g., armyworms, bollworms, leaf miners) in cotton, soybeans, and other field crops.
• Horticulture and Viticulture: Protection of fruits (e.g., pome fruits, citrus, grapes), vegetables (e.g., tomatoes, peppers, leafy greens), and ornamental plants.
• Integrated Pest Management (IPM) Programs: Valued for its selectivity and low environmental impact, making it suitable for resistance management strategies.
• Forestry Protection: Used to manage defoliating insects in forest ecosystems.
• Formulation Intermediate: Serves as a key active ingredient in the manufacture of various commercial emulsifiable concentrate (EC), suspension concentrate (SC), and water-dispersible granule (WG) formulations.

Basic Information

Product Name	Emamectin B1B
CAS No.	121424-52-0
Molecular Formula	C49H75NO13
Molecular Weight	886.1 g/mol
Synonyms	Emamectin B1 Benzoate; 4″-Deoxy-4″-epi-methylaminoavermectin B1 Benzoate; MK-244; Affirm; Proclaim; Denim; Emma; Avermectin B1b 4″-epi-methylamino-4″-deoxy Benzoate; (10E,14E,16E)-(1R,4S,5′S,6S,6′R,8R,12S,13S,20R,21R,24S)-6′-[(S)-sec-butyl]-21,24-dihydroxy-5′,11,13,22-tetramethyl-2-oxo-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6-spiro-2′-(5′,6′-dihydro-2′H-pyran)-12-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside Benzoate
EINECS	Contact for details

Quality Control

Our Emamectin B1B is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for precise assay and impurity profiling, to ensure it meets high-purity standards suitable for agrochemical formulation. Certificates of Analysis (COA) documenting key parameters such as purity, related substances, and residual solvents are provided with every shipment to guarantee consistent quality and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 92.0% (Emamectin B1B)
Related Substances (HPLC)	Total related substances ≤ 8.0% Any single unknown impurity ≤ 1.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.