Difference between revisions of "Cresol red"

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== Description ==
 
== Description ==
  
A reddish-brown crystalline powder used as an [http://cameo.mfa.org/materials/fullrecord.asp?name=indicator dye acid-base indicator]. Cresol red changes from yellow to red from pH 7.2 - 8.8.
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A reddish-brown crystalline powder used as an [[indicator dye|acid-base indicator]]. Cresol red changes from yellow to red from pH 7.2 - 8.8.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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Fisher Scientific: [https://fscimage.fishersci.com/msds/83307.htm MSDS]
 
Fisher Scientific: [https://fscimage.fishersci.com/msds/83307.htm MSDS]
  
== Authority ==
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== Sources Checked for Data in Record ==
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971
  
* 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 2647
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 2647

Revision as of 20:12, 30 April 2016

Description

A reddish-brown crystalline powder used as an acid-base indicator. Cresol red changes from yellow to red from pH 7.2 - 8.8.

Synonyms and Related Terms

o-cresol-sulfonphthalein; rosso cresolo (It.)

Chemical structure

Cresol red.jpg


Other Properties

Soluble in ethanol, water, dilute acid and dilute alkalis.

Composition C21H18O5S
CAS 1733-12-6
Melting Point 290(dec)
Molecular Weight mol. wt. = 382.42

Hazards and Safety

Fisher Scientific: MSDS

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
  • 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 2647
  • Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995 Comment: OMNIC: formula= C21H18O5S, CAS= 1733-12-6

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