Dimethacarb 50% EC – High-Potency Carbamate Insecticide for Agricultural & Horticultural Pest Control

Dimethacarb 50% EC is a high-performance carbamate insecticide formulated as an emulsifiable concentrate, designed for rapid and effective control of a broad spectrum of agricultural and horticultural pests. With its 50% active ingredient (AI) concentration, this product delivers fast knockdown and reliable residual activity, making it a preferred choice for farmers dealing with resistant pest populations.

Technical Specifications

Parameter	Specification
Active Ingredient	Dimethacarb 50% w/w
Chemical Class	Carbamate (Methylcarbamate)
IRAC MoA Group	1A (Acetylcholinesterase inhibitor)
Formulation Type	Emulsifiable Concentrate (EC)
Physical Appearance	Light yellow to amber viscous liquid
Odor	Characteristic aromatic odor
Specific Gravity	1.05-1.15 g/cm³ (20°C)
Flash Point	>80°C (Pensky-Martens closed cup)
pH (1% solution)	6.0-7.5
Shelf Life	24 months in original packaging

Mode of Action

Dimethacarb exerts dual action as:

Contact poison: Penetrates insect cuticle on direct contact
Stomach poison: Effective when ingested by feeding pests
Limited systemic activity: Shows partial translaminar movement

The compound irreversibly inhibits acetylcholinesterase, causing:

Nerve impulse disruption
Paralysis within 1-2 hours
Death within 4-24 hours

Target Pests & Crops

Primary Controlled Pests

Cereals:

Wheat aphid (Schizaphis graminum)
Rice planthoppers (Nilaparvata lugens)

Vegetables:

Diamondback moth (Plutella xylostella)
Colorado potato beetle (Leptinotarsa decemlineata)

Fruits:

Citrus red mite (Panonychus citri)
Codling moth (Cydia pomonella)

Cotton:

Boll weevil (Anthonomus grandis)
Cotton aphid (Aphis gossypii)

Application Guidelines

Crop	Target Pest	Dosage	Water Volume	Max Apps/Season	PHI (Days)
Wheat	Aphids	300-400 mL/ha	300-400 L/ha	2	21
Cabbage	Diamondback moth	400-500 mL/ha	500-750 L/ha	3	14
Citrus	Red mite	1000-1500x	To runoff	2	28
Cotton	Boll weevil	500-600 mL/ha	500-600 L/ha	3	15

Optimal Application Conditions:

Temperature: 15-25°C
RH: 40-70%
Wind speed: <10 km/h
Avoid application before rain (<6 hours)

Efficacy Data

Control Efficiency (%)

Pest Species	24 HAT	72 HAT	7 DAT
Wheat aphid	92.5	98.2	89.7
Diamondback moth larvae	85.3	96.8	82.4
Citrus red mite	88.6	95.1	76.3

HAT = Hours After Treatment | DAT = Days After Treatment

Safety Profile

Toxicity Classification

WHO Class: Ib (Highly hazardous)
Acute Oral LD50 (rat): 25-50 mg/kg
Dermal LD50 (rabbit): 500 mg/kg
Inhalation LC50 (rat): 0.5 mg/L (4h)

Protective Measures

Mandatory PPE:
- Chemical-resistant apron
- Respirator with organic vapor cartridge
- Nitrile gloves (≥0.11mm)
- Face shield + goggles
Re-entry Interval: 48 hours
Buffer Zones:
- 100m from aquatic systems
- 50m from human dwellings

Environmental Fate

Parameter	Value
Soil DT50	7-14 days
Water solubility	580 mg/L (20°C)
Koc	200-300
GUS Leaching Potential	2.1 (Medium)

Resistance Management

Rotation Partners:
- Neonicotinoids (Group 4A)
- Spinosyns (Group 5)
- Diamides (Group 28)
Anti-Resistance Strategy:
- Maximum 2 consecutive applications
- Tank-mix with synergists (e.g., PBO)
- Threshold-based spraying

Compatibility

Can be mixed with:

Most fungicides (except copper-based)
Adjuvants (non-ionic surfactants)
Urea fertilizers

Incompatible with:

Alkaline pesticides (pH >8.0)
Sulfur compounds
Boron fertilizers

Storage & Handling

Temperature Range: 5-35°C
Container: HDPE drums with inner liner
Disposal: Triple-rinse empty containers
First Aid:
- Eyes: Flush with water for 15 minutes
- Skin: Wash with soap + water
- Ingestion: Administer activated charcoal

Metolcarb 25% WP – Fast-Acting Carbamate Insecticide for Rice & Vegetable Pests

Metolcarb 25% WP is a carbamate-class insecticide formulated as a wettable powder, designed for rapid knockdown of sucking and chewing pests in rice, vegetables, and other crops. With 25% active ingredient (AI)

DDVP (Dichlorvos) Insecticide – Fast-Acting Pest Control Solution

If you’re battling stubborn infestations of flies, cockroaches, beetles, mosquitoes, and other insects in agricultural, storage, or residential settings, Shengmao DDVP (Dichlorvos) delivers rapid and reliable pest elimination. As a broad-spectrum

Nitenpyram 20% + Pymetrozine 60% WDG Insecticide

Nitenpyram 20% + Pymetrozine 60% WDG (Water-Dispersible Granule) is a premium insecticide formulation combining two complementary modes of action for rapid knockdown and long-term control