Emamectin benzoate

ChemicalBook > CAS DataBase List > Emamectin benzoate

Product Name: Emamectin benzoate
CAS No.: 137512-74-4
Chemical Name: Emamectin benzoate
Synonyms: Proclaim;Emamectine Benzoate;EMaMectin Benzoate Tech;Shot-Wan;Sch 58854;Proclaim 5SG;PROCLAIM(BANLEPTM);EMAMECTIN MIN.:90%;EMAMECTIN MIN,:60%;Avermectin Benzoate
CBNumber: CB4428208
Molecular Formula: C49H77NO13
Formula Weight: 888.13
MOL File: 137512-74-4.mol

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Emamectin benzoate Property

Melting point:: 146-150°C
alpha: D -6.9° (c = 0.5% in methanol)
vapor pressure: 4 x 10^-7mPa
storage temp.: Refrigerator
solubility: Chloroform (Slightly), Methanol (Slightly)
form: Solid
pka: 4.2; 7.6(at 25℃)
Water Solubility: 320 mg l^-1 (pH 5), 24 mg l^-1 (pH 7), 0.1 mg l^-1 (pH 9)
color: Pale Yellow to Light Yellow

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Safety

Toxicity: LD50 in mallard ducks, northern bobwhite quail (mg/kg): 76, 264 orally (Chukwudebe)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H330Fatal if inhaled

H400Very toxic to aquatic life

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P273Avoid release to the environment.

P284Wear respiratory protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P310Immediately call a POISON CENTER or doctor/physician.

P320Specific treatment is urgent (see … on this label).

P321Specific treatment (see … on this label).

P330Rinse mouth.

P391Collect spillage. Hazardous to the aquatic environment

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC

Product number: E520503
Product name: EmamectinB1Benzoate(MixtureofB1aandB1b)
Packaging: 500mg
Price: $95
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: PST0000086
Product name: EMAMECTIN BENZOATE
Purity: 95.00%
Packaging: 100MG
Price: $447
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: PST0000086
Product name: EMAMECTIN BENZOATE
Purity: 95.00%
Packaging: 250MG
Price: $478
Updated: 2021/12/16

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Emamectin benzoate Chemical Properties,Usage,Production

Chemical Properties

White Crystalline Powder

Uses

A mixture of semi-synthetic Avermectins. Exists as the anhydrous and various hydrated forms having different crystal morphologies. Insecticide

Uses

Emamectin benzoate is a second-generation avermectin insecticide highly effective against a broad range of lepidopteran larvae and certain other insects.

Uses

Insecticide.

Metabolic pathway

In laboratory studies, emamectin benzoate is relatively stable to aqueous hydrolysis (acid, neutral and alkaline) under dark conditions. Emamectin benzoate degrades extensively in soil via microbial action to multiple degradation products including the 8a-oxidation and 8a-hydroxylation products. CO2 and soil-bound residues were the major terminal residues which are incorporated into humic and fulvic acid fractions. In plants, emamectin benzoate degrades extensively to multiple polar components including the N-demethylated, N-formylated and conjugated products. Probably due to rapid elimination in faeces, the metabolic transformation of emamectin benzoate in animals is minimal. However, N-demethylation was observed as the major metabolic pathway. The hydrolytic, photolytic and overall metabolic pathways of emamectin benzoate in soils, plants and animals are presented in Schemes 1,2 and 3.

Degradation

Emamectin benzoate (1) was relatively stable to hydrolysis in acidic, neutral and alkaline solutions (pH 5, 7 and 9) at 25 °C, with less than 10% degradation occurring after 30 days. It hydrolysed most rapidly in acidic solution (pH 5) at 25 °C with a DT₅₀ of 136 days (Chukwudebe, 1992). Two polar components (each <10%) eluted close to the void volume under reversed phase chromatographic conditions.
The photodegradation half-lives of emamectin benzoate (10-12 mg 1^-1) in buffered distilled water (pH 7) containing 1% (v/v) acetonitrile, ethanol or acetone as cosolvent under continuous exposure to a xenon lamp were 65,9 and 0.5 days, respectively. In both buffered and natural pond water, the major photodegradation products included 8,9-MAB_1a (2), 8a-hydroxylated MAB_1a (3) and minor unknown polar residues (Scheme 1). In sensitised buffered water, 8a-oxo-MAB_1a (4) and 10,11-14,15-MAB_1a diepoxide (5) were found as additional residual products (Mushtaq et al., 1997).

Emamectin benzoate Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Emamectin benzoate manufacturers

Hebei Mojin Biotechnology Co., Ltd

Product: Proclaim 5SG 137512-74-4
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-09-13

Hebei Guanlang Biotechnology Co., Ltd.

Product: Emamectin benzoate 137512-74-4
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2021-03-30

Zhuozhou Wenxi import and Export Co., Ltd

Product: Emamectin Benzoate 137512-74-4
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-07-11

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137512-74-4

155569-91-8;137

C49H77NO13

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