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| Cas No.: | 7704-34-9 | State: | GRANULAR |
|---|---|---|---|
| Purity: | 80%WDG | MF: | S |
| Melting Point: | 168 °C | Color: | Yellow |
| Application: | Agriculture | Classification: | Fungicide,Biological Pesticide,Plant Growth Regulator,Insecticide,Acaricide |
| Appearance: | White Powder,reddish Brown Color,Brown Powder | Storage: | Dry Place,Sealed Tightly And Stored Away From Light In A Cool And Dry Place |
| Solubility: | Water,Soluble | ||
| High Light: | CAS 7704 34 9 sulfur fungicide,Sulphur Plant Fungicide,80% WDG Natural Plant Fungicide |
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Sulfur
Sulfur (in British English, sulphur) is a chemical element with the symbol S and atomic number 16.
It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical
formula S8. Elemental sulfur is a bright yellow, crystalline solid at room temperature.
Sulfur is the tenth most common element by mass in the universe, and the fifth most common on Earth. Though sometimes found in
pure, native form, sulfur on Earth usually occurs as sulfide and sulfate minerals. Being abundant in native form, sulfur was known in
ancient times, being mentioned for its uses in ancient India, ancient Greece, China, and Egypt. Historically and in literature sulfur is
also called brimstone,[ which means "burning stone". Today, almost all elemental sulfur is produced as a byproduct of removing
sulfur-containing contaminants from natural gas and petroleum. The greatest commercial use of the element is the production of
sulfuric acid for sulfate and phosphate fertilizers, and other chemical processes. The element sulfur is used in matches, insecticides,
and fungicides. Many sulfur compounds are odoriferous, and the smells of odorized natural gas, skunk scent, grapefruit, and garlic are
due to organosulfur compounds. Hydrogen sulfide gives the characteristic odor to rotting eggs and other biological processes.
Sulfur is an essential element for all life, but almost always in the form of organosulfur compounds or metal sulfides. Three amino
acids (cysteine, cystine, and methionine) and two vitamins (biotin and thiamine) are organosulfur compounds. Many cofactors also
contain sulfur, including glutathione, thioredoxin, and iron–sulfur proteins. Disulfides, S–S bonds, confer mechanical strength and
insolubility of the protein keratin, found in outer skin, hair, and feathers. Sulfur is one of the core chemical elements needed for
biochemical functioning and is an elemental macronutrient for all living organisms.
| Active ingredient | Sulphur | ||
| Classification | Fungicide / Agrochemical | ||
| Formulation | 80% WDG, 45% SC, 50% SC | ||
| Biochemistry | Non-specific thiol reactant, inhibiting respiration. | ||
| Mode of action | Non-systemic protective fungicide with contact and vapour action. Secondary acaricidal activity. | ||
| Usage | Control of scab on apples, pears, and peaches; powdery mildews on a range of crops, including fruit (at 1.75-6.25 kg/ha), vines (4-10 kg/ha), hops (1.75-6.25 kg/ha), beet (6 kg/ha), cereals (8 kg/ha), citrus (c. 6 kg/ha), ornamentals, cucumbers, vegetables, and in forestry (1.2 kg/ha); shot-hole of stone fruit; and acarinosis of vines. Also controls mites (particularly eriophyid mites) on a range of crops. | ||
| Phytotoxicity | Phytotoxic, to some extent, to a number of crops, including cucurbits, apricots, raspberries, and certain other 'sulfur-shy' varieties. | ||
| Mammalian Toxicology |
Oral: Acute oral LD50 for rats >5000 mg/kg. Skin and eye: Irritating to skin, eyes, and mucous membranes; (not observed with 'Kumulus DF', 'Thiovit Jet'). Other: Practically non-toxic to humans and animals. |
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| Certificate of quality | Sulphur 80% WDG | ||
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Item Appearance A.I. Content Suspensibility Water pH Wetting time Fineness Particle size range (75um-450um) |
Specification Yellow spherical particles ≥80.0% ≥80.0% ≤3.0% 7.0-11.0 ≤60s ≥98.0% ≥90.0% |
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