Difference between revisions of "Tungstic acid"

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== Description ==
 
== Description ==
  
Yellow powder. Tungstic acid is used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=mordant mordant] for dyeing [http://cameo.mfa.org/materials/fullrecord.asp?name=textile textiles]. It is also used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=colorant colorant] in [http://cameo.mfa.org/materials/fullrecord.asp?name=plastic plastics].
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Yellow powder. Tungstic acid is used as a [[mordant|mordant]] for dyeing [[textile|textiles]]. It is also used as a [[colorant|colorant]] in [[plastic|plastics]].
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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[[[SliderGallery rightalign|tungstic acid.jpg~Chemical structure]]]
 
[[[SliderGallery rightalign|tungstic acid.jpg~Chemical structure]]]
  
== Other Properties ==
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== Risks ==
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* Toxic by ingestion and inhalation. 
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* Fisher Scientific: [https://fscimage.fishersci.com/msds/33757.htm MSDS]
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==Physical and Chemical Properties==
  
 
Soluble in hydrofluoric acid and alkalis.  Insoluble in water.
 
Soluble in hydrofluoric acid and alkalis.  Insoluble in water.
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|-
 
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! scope="row"| Density
 
! scope="row"| Density
| 5.5
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| 5.5 g/ml
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
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|}
 
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== Hazards and Safety ==
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==Resources and Citations==
 
 
Toxic by ingestion and inhalation. 
 
 
 
Fisher Scientific: [https://fscimage.fishersci.com/msds/33757.htm MSDS]
 
 
 
== Authority ==
 
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 694
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 694
  
* Richard S. Lewis, Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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* 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 9948
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 9948
  
* Susan E. Schur, Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
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* Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 08:54, 22 June 2022

Description

Yellow powder. Tungstic acid is used as a Mordant for dyeing textiles. It is also used as a Colorant in plastics.

Synonyms and Related Terms

wolframic acid; orthotungstic acid

Chemical structure

Tungstic acid.jpg


Risks

  • Toxic by ingestion and inhalation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in hydrofluoric acid and alkalis. Insoluble in water.

Composition H2WO4
CAS 7783-03-1
Density 5.5 g/ml
Molecular Weight mol. wt. = 249.88

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 694
  • 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 9948
  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985

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