Herbicide We manufacture:

Bromacil
Common name: Bromacil (BSI, E-ISO, ANSI)
CAS NO.: 314-40-9
Chemical name: 5-bromo-6-methyl-3-(1-methylpropyl)-2,4(1H,3H)-pyrimidinedione
Properties
Purity of Bromacil is colorless crystals. M.P. 158~159°C; V.P.0.033mPa (25°C)。 Solubility(25°C)815mg/l in water; 96g/kg 0.9M in NaOH, 201g/kg in acetone, 77 g/kg in acetonitrile, 155 g/kg in ethanol, 33 g/kg in toluene . Thermally stable up to the melting point. Stable in aqueous bases. Slowly decomposed by concentrated acids.
Uses
Total weed and brush control on non-crop land at 5-15kg a.i./ha. Also for selective control of annual and perennial weeds and grasses in citrus and pineapple plantations at rates in the range 1.5-8kg/ha
Toxicity
Acute oral LD50 for male rats 2000mg/kg, female rats 1300mg/kg (for 80% formulation).
Specification: 95%TECH, 80%WP,
Packaging: 25kg fibre drum lined with plastic bag or on the clients' requirements.

Imazethapyr
Common name: Imazethapyr (BSI, ANSI, draft E-ISO)
CAS NO.: 81335-77-5
Chemical name:
(+/-)-2-[4,5-dihydro-4-methyl-4-(1-methyltheyl)-5-oxo-1Himidazol-2-yl]-5-ethyl-3-pyridinecarboxy acid
Properties
Technical white crystal powder. M.P. 169-173°C; B.p. Decomp. 180°CV.P.<0.013mPa (60°C)。 Solubility in water (25°C) 1.4g/l; In acetone 48.2, methanol 105, toluene 5, dichloromethane 185, dimethyl sulfoxide 422, isopropanol 17, (all in g/l, 25°C) . Rapidly degraded in sunlight, DT20 c. 3d.
Uses
Control of many major annual and perennial grass and broad-leaved weeds in soya beans and other leguminous crops. Applied pre-plant incorporated, pre-emergence, or post-emergence.
Toxicity
Acute oral LD50 for male and female rats >5000mg/kg.
Specification: 95%TECH, 70%WP,70%WDG, 10%SL
Packaging: 25kg fibre drum lined with plastic bag or on the clients' requirements.

Alachlor
Common name: Alachlor (BSI, ANSI, E-ISO, WSSA, JMAF)
CAS NO.: 15972-60-8
Chemical name: 2-chloro-2’,6’-diethyl-N-methoxymethylacetanilide
Properties
Technical yellow white to wine red, odourless solid (room temperature). M.P. 40.5-41.5°C; B.p. 180℃/0.0026kPa V.P.2.0mPa (25°C)。 Solubility in water (20°C) 170mg/l; Soluble In diethyl ether, acetone, benzene,chloroform, ethanol, and ethyl acetate. Slightly soluble in heptane. Stability Hydrolysed by strong acids and alkalis. Stable to u.v. light. Decomposes at 105°C.
Uses
Used pre-emergence at 1.68-4.48kg/ha to control annual grasses and many broad-leaved weeds in cotton, brassicas, maize, oilseed rape, peanuts, raish, soya beans and sugar cane.
Toxicity
Acute oral LD50 for bobwhite quail 1536mg/kg.
Specification: 95%TC,600,500,480G/L EC,30%WP
Packaging: 200kg Iron drum or on the clients' requirements.

Acetochlor
Common name: Acetochlor (BSI, E-ISO, WSSA)
CAS NO.: 34256-82-1
Chemical name: 2'-ethyl-6'-methyl-N-(ethoxymethyl)-2-chloroacetylanilide
Properties
Technical product is brown and transparent liquid, stable. The density or tech is 1.11 at 30°C. At room temperature, the dissolvability in water is 223 ppm. Stable for over 2 years at 20°C (EC formulation)
Uses
Used pre-emergence or pre-plant to control annual grasses, certain annual broad-leaved weeds and yellow nutsedge in maize(at 3kg/ha), peanuts, soya beans, cotton, potatoes and sugar cane.
Toxicity
Acute oral LD50 for rats 2148mg/kg.
Specification: 95%Tech, 90%Tech, 50%EC, 40%WP
Packaging: 200kg Iron drum or on the clients' requirements.

Paraquat
Common name: Paraquat (BSI, E-ISO, WSSA)
CAS NO.: 1910-42-5
Chemical name: 1,1'-dimethyl-4.4'-bipyridinium dichloride
Properties
Paraquat dichloride colorless, hygroscopic crystals. decomposing at 300 , v.p. negligible. Solubility, easily soluble in water, slightly soluble in short-china alcohol, practically insoluble in most other-organic solvents. Stable in neutral and acidic media, but readily oxidized in alaline media. Tech salts are corrosive to common metals.
Uses
Broad-spectrum control of broad-leaved weeds and grasses in fruit orchards,plantation crops, vines, olives, tea, alfalfa, onions, leeks, sugar beet, etc. Also used for general weed control on non-crop land; as a defoliant for cotton ad hops; for destruction of potato haulms; as a desiccant for pineapples, sugar cane, soya beans and sunflowers; For control of annual weeds, applied at 0.4-1.0kg/ha.
Toxicity
Acute oral LD50 for rats 157-129 mg/kg.
Specification: 45%Tech, 20%SL
Packaging: 200kg/drum, 200L/drum, or on the clients' requirements

2,4D acid
Common name: 2,4-D (BSI, E-ISO)
CAS NO.: 94-75-7
Chemical name: (2,4-dichlorophenoxy) acetic acid
Properties
Technical product is white powder, with a slight phenolic odor. M.p. 140.5°C, V.p. 1.86*10-2mPa(25°C,OECD 104). Solubility in water 311(pH 1), 20031(pH 5),mg/l, 25°C In ethanol 1250, diethyl ether 243, all in g/kg , 20°C Insoluble in petroleum oils. 2,4-D is a stong acid, and forms water-soluble salts with alkali metals and amines.
Uses
Post-emergence control of annual and perennial broad-leaved weeds in cereals, maize, sorghum, grassland and on non-crop land at 0.28-2.3kg/ha. Control of broad-leaved aquatic weeds.
Toxicity
Acute oral LD50 for rats 639-734 mg/kg.
Specification: 98%Tech
Packaging: 25kg/firbre drum or 25kg/bags or on the clients' requirements.

2,4D amine salt
Common name: 2,4-D amine salt (BSI, E-ISO)
CAS NO.: 2008-39-1
Chemical name: 2,4-D-dimethylammonium
Properties
M.P. 85-87℃, Solubility in water 3kg/l (20°C). Soluble in alcohols and acetone, insoluble in kerosene and diesel oil.
Uses
Post-emergence control of annual and perennial broad-leaved weeds in cereals, maize, sorghum, grassland and on non-crop land at 0.28-2.3kg/ha. Control of broad-leaved aquatic weeds.
Toxicity
LC50(96h) for rainbow trout 100mg/.
Specification: 720g/L amine
Packaging: 200L/Iron drum or on the clients' requirements.

Chlorimuron
Common name: Chlorimuron (BSI, ANSI, WSSA, draft E-ISO)
CAS NO.: 99283-00-8
Chemical name: 2-(4-chloro-6-methoxypyrimidin-2-ylcarbamoylfulfamoyl) benzoic acid
Properties
M.f. C13H11ClN4O6S
Uses
Used post-emergence for control of important broad-leaved weeds, such as cocklebur, pigweed, sunflower and annual l morning glory, in soya beans and peanuts. Active at 9-13 g/ha.
Toxicity
Acute oral LD50 for rats 4102mg/kg.
Specification: 95%TECH, 75%WDG, 25%WP
Packaging: 25kg/firbre drum or 25kg/bags or on the clients' requirements.

Fluometuron
Common name: Fluometuron (BSI, E-ISO)
CAS NO.: 2164-17-2
Chemical name: N,N-dimethyl-N’-[3-(trifluoromethyl)phenyl]urea
Properties
Technical is white crystals. M.p. 163-164.5°C V.p. 0.125mPa(25°C) Solubility in water 110mg/l (20°C), in methanol 110, acetone 105, dichloromethane 23, n-octanol 22, hexane 0.17(all in g/l, 20°C) Stable in acidic, neutral, and alkaline media at 20°C. Decomposed by u.v. irradiation.
Uses
Control of annual broad-leaved weeds and grasses in cotton and sugar cane, at 1.0-1.5kg a.i./ha.
Toxicity
Acute oral LD50 for rats>60000 mg/kg .
Specification: 95%Tech, 50%SC
Packaging: 25kg/firbre drum or 25kg/bags or on the clients' requirements.

Glyphosate
Common name: Glyphosate(BSI, E-ISO)
CAS NO.: 1071-83-6
Chemical name: N-(phosphonomethyl)glycine
Properties
Technical product is white powder, M.p.200℃, V.p.Negligible. Soluble in water, and insoluble in common organic solvents.Stable up to 60°C. Stable to light.
Uses
Effective on deep-rooted perennial species, and annual and binnial species of grasses, sedges and broad-leaved weeds. Used in fruit orchards, vineyards, conifer plantations, and many plantation crops; in cereal stubble; and in pasture renovation. Also used for pre-harvest desiccation of cotton, cereals, peas, beans, etc.; for destruction of rye sown to prevent wind erosion of the soil: for control of suckers on fruit trees; and for aquatic weed control. Glyphosate- sesquisodium is used as a plant growth regulator on sugarcane.
Toxicity
Acute oral LD50 for rats is 5600mg/kg.
Specification: 95%Tech, 62% Tech, 480g/l IPA
Packaging: 25kg/firbre drum, 200L/drum or on clients' requirements.

Metribuzin
Common name: Metribuzin (BSI, E-ISO, WSSA)
CAS NO.: 21087-64-9
Chemical name:
4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one
Properties
White crystalline solid. Melting point 126.2°C. Vapor pressure 5.8×10-7hPa at 20°C. Soluble in methanol, ethanol and glycol ether acetate.
Uses
Pre- and post-emergence control of many grasses and broad-leaved weeds in soya beans, potatoes, tomatoes, sugar cane, alfalfa, asparagus, maize and cereals, at 0.07-1.05kg a.i./ha.
Toxicity
Acute oral LD50 for male rats is c.2000, mice c.700.
Specification: 95%Tech, 75%WDG, 70% WP, 48%SC, 35%SC
Packaging: 25kg/firbre drum, 25kg/bag, 200L/drum or on clients' requirements

Pyrithiobac-sodium
Common name: Pyrithiobac-sodium (BSI, pa-ISO, ANSI)
CAS NO.: 123343-16-8
Chemical name:
Sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-ylthio)benzoate
Properties
Technical is white solid. M.p. 233.8-234.2°C V.p.4.80*10-6mPa(25°C) Solubility in water 264(pH 5), 705(pH7), (all in g/l, 20°C), in acetone 812, methanol 270*103, n-hexane 10, dichoromethane 8.38(all in mg/l, 20°C) Stable in water(32d, pH 5-9, 27°C) and to heat (15d at 54°C)
Uses
Control of a wide range of broad-leaved weeds(morning glory, pigweed, cocklebur) and grasses pre-and post-emergence in cotton, at 70-105g/ha.
Toxicity
Acute oral LD50 for male rats 3300 mg/kg . female rats 3200mg/kg.
Specification: 95%Tech, 28%WP, 28%SC
Packaging: 25kg/firbre drum or 25kg/bags or on the clients' requirements.