Difference between revisions of "Phthalic acid"

Latest revision as of 12:19, 4 August 2022

Description

Colorless, odorless crystalline Organic acid. Phthalic acid was first synthesized by Auguste Laurent in 1836. It is used in the manufacture of several dyes including Indigo and Phenolphthalein.

Chemical structure

Synonyms and Related Terms

o-phthalic acid; o-benzene dicarboxylic acid; o-dicarboxybenzene

Risks

Irritating to mucous membranes and skin.
ThermoFisher: SDS

Physical and Chemical Properties

Soluble in ethanol. Slightly soluble in water, ether. Insoluble in chloroform.

Composition	C6H4(COOH)2
CAS	88-99-3
Melting Point	191-210 C (dec)
Density	1.585-1.593 g/ml
Molecular Weight	mol. wt.=166.14

Resources and Citations

Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990

The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7527

Wikipedia: http://en.wikipedia.org/wiki/Phthalic_acid (accessed Mar. 14, 2006)

Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

@@ Line 1: / Line 1: @@
 == Description ==
-Colorless, odorless crystalline [http://cameo.mfa.org/materials/fullrecord.asp?name=organic%20acid organic acid]. Phthalic acid was first synthesized by Auguste Laurent in 1836.  It is used in the manufacture of several [http://cameo.mfa.org/materials/fullrecord.asp?name=dye dyes] including [http://cameo.mfa.org/materials/fullrecord.asp?name=indigo indigo] and [http://cameo.mfa.org/materials/fullrecord.asp?name=phenolphthalein phenolphthalein].
+Colorless, odorless crystalline [[organic%20acid|organic acid]]. Phthalic acid was first synthesized by Auguste Laurent in 1836.  It is used in the manufacture of several [[dye|dyes]] including [[indigo|indigo]] and [[phenolphthalein|phenolphthalein]].
+[[[SliderGallery rightalign|phthalic acid.jpg~Chemical structure]]]
 == Synonyms and Related Terms ==
 o-phthalic acid; o-benzene dicarboxylic acid; o-dicarboxybenzene
-[[[SliderGallery rightalign|phthalic acid.jpg~Chemical structure]]]
+== Risks ==
-== Other Properties ==
+* Irritating to mucous membranes and skin.
+* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC131072500&productDescription=PHTHALIC+ACID%2C+99%25+250GRPHTHA&vendorId=VN00032119&countryCode=US&language=en SDS]
+==Physical and Chemical Properties==
 Soluble in ethanol. Slightly soluble in water, ether. Insoluble in chloroform.
@@ Line 22: / Line 24: @@
 |-
 ! scope="row"| Melting Point
-| 191-210 (dec)
+| 191-210 C (dec)
 |-
 ! scope="row"| Density
-| 1.585-1.593
+| 1.585-1.593 g/ml
 |-
 ! scope="row"| Molecular Weight
@@ Line 31: / Line 33: @@
 |}
-== Hazards and Safety ==
+==Resources and Citations==
-Irritating to mucous membranes and skin.
-Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/p4270.htm MSDS]
-== Sources Checked for Data in Record ==
 * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
@@ Line 45: / Line 41: @@
 * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 7527
-* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Phthalic_acid (accessed Mar. 14, 2006)
+* Wikipedia: http://en.wikipedia.org/wiki/Phthalic_acid (accessed Mar. 14, 2006)
 * ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976