Difference between revisions of "Hydroquinone"
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== Description == | == Description == | ||
| − | A white crystalline compound. Hydroquinone is used in black and white photographic processing as a [http://cameo.mfa.org/materials/fullrecord.asp?name=reducing | + | A white crystalline compound. Hydroquinone is used in black and white photographic processing as a [http://cameo.mfa.org/materials/fullrecord.asp?name=reducing%20agent reducing agent]. It is also used as an [http://cameo.mfa.org/materials/fullrecord.asp?name=antioxidant antioxidant] in polymers and as a [http://cameo.mfa.org/materials/fullrecord.asp?name=stabilizer stabilizer] in paints and varnishes. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 44: | Line 44: | ||
== Authority == | == Authority == | ||
| − | * | + | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 |
| − | * | + | * Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979 |
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4796 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4796 | ||
| − | * | + | * Website address 1 Comment: www.jetcity.com/~mrjones/chemdesc.htm - photographic chemicals |
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Hydroquinone (Accessed Mar. 20, 2006) | * Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Hydroquinone (Accessed Mar. 20, 2006) | ||
Revision as of 06:30, 24 July 2013
Description
A white crystalline compound. Hydroquinone is used in black and white photographic processing as a reducing agent. It is also used as an antioxidant in polymers and as a stabilizer in paints and varnishes.
Synonyms and Related Terms
1,4-benzenediol; p-dihydroxybenzene; hydroquinol; quinol; Aida; Black and White Bleaching Cream; Eldoquin; Eldopaque; Tecquinol; Quinol; hydrochinon; hydrokinone; 1,4-dihydroxybenzene;
Other Properties
Soluble in water, ethanol and ether. Slightly soluble in benzene.
| Composition | C6H4(OH)2 |
|---|---|
| CAS | 123-31-9 |
| Melting Point | 170-171 |
| Density | 1.332 |
| Molecular Weight | mol. wt.=110.11 |
| Boiling Point | 285-287 |
Hazards and Safety
Combustible. Flash point =165 C (329 F).
Highly toxic by ingestion and inhalation. Skin contact can cause severe irritation.
Mallinckrodt Baker: MSDS
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4796
- Website address 1 Comment: www.jetcity.com/~mrjones/chemdesc.htm - photographic chemicals
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Hydroquinone (Accessed Mar. 20, 2006)
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998