Product name: 99%Dichlorvos

Alias: MAFU(R);Atgard;astrobot;BAYER 19149;canogard;HERKOL(R);DICHLORVOS;DICHLORVOS (DIMETHYL-D6)

CAS RN: 62-73-7

Molecular formula: C₄H₇Cl₂O₄P

Molecular weight: 220.98

EINECS NO.: 200-547-7

Related Categories: Herbicide;INSECTICIDE;Insecticides;AcaricidesPesticides&Metabolites;Alpha sort;D;DAlphabetic;DIA- DICMethod Specific;Endocrine Disruptors (Draft)Pesticides;EPA;Insecticides;Organophorous;Pesticides;Pesticides&Metabolites;AcaricidesAlphabetic;Pesticide; Agent; organophosphorus insecticide; Aliphatics; Phosphorylating and Phosphitylating Agents; analytical standards; pesticide residues, veterinary drugs and fertilizers; SURITAL; organochlorine pesticides

Mol file: 62-73-7.mol

Property

Melting point: -60°C

Boiling point: 140°C

Density: 1.415

Flash point: 100°C

Storage conditions: 0-6 ° C

Water solubility: Slightly soluble. 1 g/100 mL

Merck: 13,3105

NIST chemical information: Dimethyl-2,2-dichlorovinyl phosphate (62-73-7)

EPA chemical information: Phosphoric acid, 2,2-dichloroethenyl dimethyl ester (62-73-7)

Toxicity: The acute oral LD50 of rats is 80mg/kg (male), 56mg/kg (female), the acute percutaneous LD50 of male rats is 107mg/kg, the female is 75mg/kg; the acute inhalation LC50 of mice is 13.2mg/m3. (4h), the rat inhaled LC50 was 14.8 mg/m3. The no-effect dose of the male rat 90d feeding test was 1 mg/kg. The LC50 of the carp was 4 mg/L (36 h), and the LC50 of the blue mullet was 1 mg/L (24 h). Toxic to bees and ladybugs.

Chemical Property: Pure product is a colorless liquid with aroma and industrial products with a yellowish color. Bp 35 ° C / 6.7 Pa, 74 ° C / 133.3 Pa, relative Density 1.415 (25 ° C), refractive index n25D1.4523, vapor pressure 1.5998Pa (20 ° C), volatility 145mg / m3 (25 ° C). It is soluble in most organic solvents such as benzene and xylene. It is insoluble in petroleum ether and kerosene. Its solubility in water is about 0.6% to 1%. The original drug has good thermal stability, long-term storage does not decompose, but it is easy to be hydrolyzed. The hydrolysis rate of the saturated Dichlorvos aqueous solution at room temperature is about 3% per day, and the hydrolysis is accelerated under alkaline or elevated temperature conditions. Corrosive to iron and steel, corrosion resistant to stainless steel, aluminum, nickel, Hastelloy and Teflon.

Uses: High-efficiency, broad-spectrum insecticide with stomach poisoning, contact and strong fumigation. Because of high vapor pressure, it has a strong knockdown force on chewing mouth and sucking mouth insects. Mainly used to control sanitary pests, agriculture, forestry, horticultural pests, granary pests, such as: mosquitoes, flies, Tsui, cockroaches, bedbugs, cockroaches, black-tailed spider mites, armyworms, mites, red spiders, rice floating dust, heartworm, pear star Caterpillar, mulberry, mulberry, mulberry, tea silkworm, tea caterpillar, horsetail pine caterpillar, willow moth, green worm, yellow stripe, vegetable carp, bridge worm, Spodoptera litura, apple nest moth and so on. The dosage is 80% emulsifiable concentrate 1000-2000 times. It is easy to produce phytotoxicity to sorghum, and is also sensitive to beans, corn and willow.

Uses: It can be used as a fumigant in households and public places. It is also suitable for controlling a variety of pests on cotton, fruit trees, vegetables, tobacco, tea, mulberry and other crops.

Uses: has fumigation, stomach poisoning and contact killing effect, and has good control effect on chewing mouth pests and sucking mouth insect pests.

Uses: Dichlorvos has fumigation, stomach poisoning and contact killing effects, and has good control effect on chewing mouthparts pests and sucking mouthparts pests. Dichlorvos have a high vapor pressure and a strong knockdown force on pests. It is easy to decompose after application and has a short residual effect period. It is easy to use and is easy to use. It is suitable for controlling a variety of pests on cotton, fruit trees, vegetables, sugar cane, tobacco, tea, mulberry and other crops. It also has good control effects on household hygiene pests such as mosquitoes and flies, as well as rice pests in warehouses and grain thieves.

Category: Pesticides

Toxicity classification: moderate toxicity

Acute toxicity: oral-rat LD50: 17 mg/kg; oral-mouse LD50: 61 mg/kg

Explosive hazard characteristics: mixed with air, heated, open flame can be explosive

Flammability hazard characteristics: open flame flammable; pyrolysis of toxic phosphorus oxide, chloride gas

Storage and transportation characteristics: the warehouse is ventilated and dried at low temperature; it is stored separately from oxidants, alkalis and food additives.

Extinguishing media: sand, dry powder, foam

Occupational standard: TWA 1.0 mg / m3; STEL 3.0 mg / m3

Security Information

Dangerous goods mark: T; N, N, T, T+, Xn, F

Hazard Category Code: 24/25-26-43-50-28-24-36-20/21/22-11

Safety instructions: 1/2-28-36/37-45-61-16

Dangerous goods transport number: 2786

RTECS number: TC0350000

HazardClass: 6.1(a)

PackingGroup: II

Toxic Substances Data : 62-73-7 (Hazardous Substances Data)