Difference between revisions of "Metaldehyde"

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== Description ==
 
== Description ==
  
White prisms crystals used as an [http://cameo.mfa.org/materials/fullrecord.asp?name=insecticide insecticide], especially in gardens for snails and slugs. In interior spaces, metaldehyde has been used to control [http://cameo.mfa.org/materials/fullrecord.asp?name=cockroach cockroaches], ants, and [http://cameo.mfa.org/materials/fullrecord.asp?name=termite termites]. Pellets are used as a solid fuel in ethanol burners.
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White prisms crystals used as an [[insecticide|insecticide]], especially in gardens for snails and slugs. In interior spaces, metaldehyde has been used to control [[cockroach|cockroaches]], ants, and [[termite|termites]]. Pellets are used as a solid fuel in ethanol burners.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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[[[SliderGallery rightalign|metaldehyde.jpg~Chemical structure]]]
 
[[[SliderGallery rightalign|metaldehyde.jpg~Chemical structure]]]
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==Risks==
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ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC271860050&productDescription=METALDEHYDE+99%25+5G&vendorId=VN00032119&countryCode=US&language=en SDS]
  
== Other Properties ==
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==Physical and Chemical Properties==
  
 
Soluble in benzene, chloroform.  Slightly soluble in ethanol, ether. Insoluble in water. Sublimes at 112 C.
 
Soluble in benzene, chloroform.  Slightly soluble in ethanol, ether. Insoluble in water. Sublimes at 112 C.
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! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 246
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| 246 C
 
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! scope="row"| Density
 
! scope="row"| Density
| 1.27
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| 1.27 g/ml
 
|-
 
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! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
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== Hazards and Safety ==
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==Resources and Citations==
 
 
Toxic by ingestion. Skin contact causes irritation. 
 
 
 
Flammable. Flash point = 97 C. 
 
 
 
Fisher Scientific: [https://fscimage.fishersci.com/msds/50562.htm MSDS]
 
 
 
== Sources Checked for Data in Record ==
 
  
 
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
 
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993

Latest revision as of 12:20, 9 August 2022

Description

White prisms crystals used as an Insecticide, especially in gardens for snails and slugs. In interior spaces, metaldehyde has been used to control cockroaches, ants, and termites. Pellets are used as a solid fuel in ethanol burners.

Synonyms and Related Terms

metacetaldehyde

Chemical structure

Metaldehyde.jpg

Risks

ThermoFisher: SDS

Physical and Chemical Properties

Soluble in benzene, chloroform. Slightly soluble in ethanol, ether. Insoluble in water. Sublimes at 112 C.

Composition (CH3CHO)n
CAS 9002-91-9
Melting Point 246 C
Density 1.27 g/ml
Molecular Weight mol. wt. = 176.21

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5983
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002

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