Difference between revisions of "Methylparaben"
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== Description == | == Description == | ||
| − | Fine, white needle-like crystalline powder that is used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=preservative preservative] in paints, food, beverages, and cosmetics. Methylparaben inhibits [http://cameo.mfa.org/materials/fullrecord.asp?name=mold | + | Fine, white needle-like crystalline powder that is used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=preservative preservative] in paints, food, beverages, and cosmetics. Methylparaben inhibits [http://cameo.mfa.org/materials/fullrecord.asp?name=mold%20%28fungus%29 mold] growth. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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== Authority == | == Authority == | ||
| − | * | + | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 |
| − | * | + | * Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, ''Notes for Workshop on New Methods in the Cleaning of Paintings'', J.Paul Getty Trust, Los Angeles, 1990 |
| − | * | + | * Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979 |
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 6182 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 6182 | ||
Revision as of 06:31, 24 July 2013
Description
Fine, white needle-like crystalline powder that is used as a preservative in paints, food, beverages, and cosmetics. Methylparaben inhibits mold growth.
Synonyms and Related Terms
methyl hydroxy benzoate; methyl p-hydroxybenzoate; 4-hydroxybenzoic acid methyl ester; Nipagin M; Tegosept M; Methyl Chemosept; Methyl Parasept
Other Properties
Soluble in ethanol, acetone, ether and warm oil. Slightly soluble in water, benzene and carbon tetrachloride.
| Composition | CH3OOCC6H4OH |
|---|---|
| CAS | 99-76-3 |
| Melting Point | 131 |
| Density | 1.36 |
| Molecular Weight | mol. wt. = 152.16 |
| Boiling Point | 270-280(dec) |
Hazards and Safety
Toxic. Maximum concentration in food is limited to 0.1%.
Mallinckrodt Baker: MSDS
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 6182