Difference between pages "Cobaltous phosphate" and "Sevin"

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[[File:Covioletd C100x.jpg|thumb|Cobalt violet dark]]
 
 
== Description ==
 
== Description ==
  
A medium to strong violet pigment with a reddish hue. Cobaltous phosphate, or [[cobalt violet, deep|deep cobalt violet]], was first prepared in 1859. It is a permanent pigment but it has low tinting strength. It dries quickly in [[oil paint|oil paints]]. Cobaltous phosphate is also used as a colorant in [[glass]], [[glaze|glazes]], [[enamel, inorganic|enamels]], and [[plastic|plastics]].
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[Union Carbide] A trademark for a [[carbaryl|carbaryl]] insecticide. Product literature states that Sevin® should not be applied to surfaces susceptible to water stains (wood, paint, rugs, carpets, drapes, etc.).
  
[[[SliderGallery rightalign|Cobalt Violet, dark (498).PNG ~FTIR (MFA) (Forbes 498)|Cobalt violet (Forbes MFA 498), 50X, 532 nm.TIF~Raman (MFA) (532nm)|Cobalt violet dark (Forbes MFA 498), 785nm resize.tif~Raman (MFA) (785nm)|f498sem.jpg~SEM (MFA)|f498edsbw.jpg~EDS (MFA)]]]
 
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
cobalt phosphate; Pigment Violet 14; CI  77360; fosfato de cobalto (Esp., Port.); violeta de cobalto (Esp.); phosphate de cobalt (Fr.); fosfato di cobalto (It.); cobalt violet, deep
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1-naphthyl-N-methyl carbamate; Sevin 80S
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== Risks ==
 
== Risks ==
  
* Skin contact may cause allergies, especially on elbows, neck and ankles. 
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* Toxic by inhalation.
* Chronic inhalation may cause asthma.
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* Bayer Environmental Science: [https://www.environmentalscience.bayer.us/-/media/PRFUnitedStates/Documents/Resource-Library/SDS/Sevin_SL_Insecticide.ashx SDS]
* Ingestion may cause vomiting, diarrhea and the sensation of hotness.
 
* NIH: [https://pubchem.ncbi.nlm.nih.gov/compound/Cobalt_II_-phosphate Information shet]
 
  
 
==Physical and Chemical Properties==
 
==Physical and Chemical Properties==
 
Soluble in mineral acids. Insoluble in water.
 
  
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
 
! scope="row"| Composition
 
! scope="row"| Composition
| Co3(PO4)2 - 8H2O
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| C12H11NO2
 
|-
 
|-
! scope="row"| CAS
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! scope="row"| Melting Point
| 13455-36-2
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| 142 C
 
|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 2.769 g/ml
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| 1.232 g/ml
|-
 
! scope="row"| Molecular Weight
 
| mol. wt. = 366.74
 
 
|}
 
|}
  
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* 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
  
* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997
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* Lynda A. Zycherman, J.Richard Schrock, ''A Guide to Museum Pest Control'', FAIC and Association of Systematics Collections, Washington DC, 1988
 
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 2508
 
  
* Thomas B. Brill, ''Light Its Interaction with Art and Antiquities'', Plenum Press, New York City, 1980
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* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 1831
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 14:29, 30 May 2022

Description

[Union Carbide] A trademark for a Carbaryl insecticide. Product literature states that Sevin® should not be applied to surfaces susceptible to water stains (wood, paint, rugs, carpets, drapes, etc.).

Synonyms and Related Terms

1-naphthyl-N-methyl carbamate; Sevin 80S

Risks

  • Toxic by inhalation.
  • Bayer Environmental Science: SDS

Physical and Chemical Properties

Composition C12H11NO2
Melting Point 142 C
Density 1.232 g/ml

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1831