Lime sulfur: Difference between revisions

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== Lime Sulfur ==


[[File:Lime_sulfur.jpg|thumb|right|Lime sulfur solution]]
{{Short description|Information about lime sulfur}}
{{Infobox chemical
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| verifiedrevid = 477002295
| name = Lime sulfur
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| image_caption =
| image2 =
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| section1 = {{Chembox Identifiers
| CASNo = 1344-81-6
| PubChem = 16683731
| ChemSpiderID = 21106489
}}
| section2 = {{Chembox Properties
| Formula = Variable
| MolarMass = Variable
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}}


'''Lime sulfur''' is a type of [[fungicide]] and [[insecticide]] that is commonly used in horticulture and agriculture. It is a mixture of calcium polysulfides and is primarily used to control various fungal diseases and pests on plants. Lime sulfur has been used for centuries due to its effectiveness and low toxicity.
'''Lime sulfur''' is a [[chemical compound]] used primarily as a [[pesticide]] and [[fungicide]] in [[agriculture]] and [[horticulture]]. It is a mixture of [[calcium polysulfides]] formed by reacting [[calcium hydroxide]] with [[sulfur]].


=== History ===
== Uses ==
Lime sulfur is widely used in the treatment of [[plant diseases]] such as [[powdery mildew]], [[black spot]], and [[rust]]. It is also effective against certain [[insect pests]] like [[mites]] and [[scale insects]]. In [[veterinary medicine]], lime sulfur is used as a [[topical treatment]] for [[parasitic skin infections]] in [[animals]].


The use of lime sulfur dates back to ancient times, with evidence of its use found in ancient Roman and Chinese texts. It was traditionally made by boiling sulfur and lime together, resulting in a yellowish liquid with a strong sulfur smell. Lime sulfur was initially used as a disinfectant and preservative for animal hides and as a treatment for various skin conditions in humans.
== Preparation ==
Lime sulfur is prepared by boiling [[calcium hydroxide]] and [[sulfur]] in water. The resulting solution is a yellowish liquid with a strong odor of [[rotten eggs]] due to the presence of [[hydrogen sulfide]].


=== Composition and Properties ===
== Safety ==
Lime sulfur is [[corrosive]] and can cause [[skin irritation]] and [[eye damage]]. It should be handled with care, using appropriate [[personal protective equipment]] such as [[gloves]] and [[goggles]].


Lime sulfur is a mixture of calcium polysulfides, which are formed when sulfur reacts with calcium hydroxide (lime). The exact composition of lime sulfur can vary depending on the manufacturing process, but it typically contains around 30% sulfur and 10% calcium. It is a highly alkaline solution with a pH of around 11-12.
== Environmental Impact ==
Lime sulfur is considered to have a low [[environmental impact]] compared to other [[chemical pesticides]]. However, it should still be used responsibly to minimize any potential [[ecological effects]].


=== Uses ===
== See also ==
 
* [[Pesticide]]
==== Fungicide ====
* [[Fungicide]]
 
* [[Calcium polysulfide]]
Lime sulfur is primarily used as a fungicide to control various fungal diseases on plants. It is effective against a wide range of fungal pathogens, including powdery mildew, black spot, and rust. When applied to plants, lime sulfur forms a protective coating on the plant surface, preventing the growth and spread of fungal spores.
* [[Agriculture]]
 
* [[Horticulture]]
==== Insecticide ====
 
In addition to its fungicidal properties, lime sulfur also has insecticidal properties. It is effective against a variety of pests, including mites, aphids, and scale insects. Lime sulfur works by suffocating the insects and disrupting their life cycle. It is commonly used on fruit trees, roses, and other ornamental plants to control insect infestations.
 
=== Application ===
 
Lime sulfur is typically applied as a spray solution. It can be purchased as a ready-to-use product or prepared by mixing a concentrated solution with water. The application rate and frequency depend on the specific plant and pest being treated. It is important to follow the instructions provided by the manufacturer to ensure proper application and avoid any potential damage to the plants.
 
=== Safety and Precautions ===
 
While lime sulfur is generally considered safe to use, it is important to take certain precautions when handling and applying it. It is recommended to wear protective clothing, gloves, and goggles to avoid direct contact with the skin and eyes. It is also advisable to apply lime sulfur in well-ventilated areas to minimize inhalation of the sulfur fumes.
 
=== Environmental Impact ===
 
Lime sulfur is considered to have a low environmental impact compared to many other chemical pesticides. It breaks down relatively quickly in the environment and does not persist in soil or water. However, it is still important to use lime sulfur responsibly and avoid excessive use to minimize any potential negative effects on beneficial insects and other non-target organisms.


== References ==
== References ==
{{Reflist}}
{{Reflist}}


== External links ==
* [https://www.wikimd.com/wiki/Lime_sulfur Lime sulfur on WikiMD]
[[Category:Chemical compounds]]
[[Category:Pesticides]]
[[Category:Fungicides]]
[[Category:Fungicides]]
[[Category:Insecticides]]
[[Category:Agricultural chemicals]]
[[Category:Horticulture]]
[[Category:Horticulture]]
[[Category:Agriculture]]

Latest revision as of 16:50, 29 December 2024


Information about lime sulfur


Lime sulfur
Identifiers
CAS Number
PubChem CID
ChemSpider ID
UNII
ChEBI
ChEMBL
Properties
Chemical Formula
Molar Mass
Appearance
Density
Melting Point
Boiling Point
Hazards
GHS Pictograms [[File:|50px]]
GHS Signal Word
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NFPA 704 [[File:|50px]]
References

Lime sulfur is a chemical compound used primarily as a pesticide and fungicide in agriculture and horticulture. It is a mixture of calcium polysulfides formed by reacting calcium hydroxide with sulfur.

Uses[edit]

Lime sulfur is widely used in the treatment of plant diseases such as powdery mildew, black spot, and rust. It is also effective against certain insect pests like mites and scale insects. In veterinary medicine, lime sulfur is used as a topical treatment for parasitic skin infections in animals.

Preparation[edit]

Lime sulfur is prepared by boiling calcium hydroxide and sulfur in water. The resulting solution is a yellowish liquid with a strong odor of rotten eggs due to the presence of hydrogen sulfide.

Safety[edit]

Lime sulfur is corrosive and can cause skin irritation and eye damage. It should be handled with care, using appropriate personal protective equipment such as gloves and goggles.

Environmental Impact[edit]

Lime sulfur is considered to have a low environmental impact compared to other chemical pesticides. However, it should still be used responsibly to minimize any potential ecological effects.

See also[edit]

References[edit]

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External links[edit]

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