Methylparaben
Revision as of 13:10, 27 April 2013 by (username removed)
Description
Fine, white needle-like crystalline powder that is used as a preservative in paints, food, beverages, and cosmetics. Methylparaben inhibits (fungus) 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, Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, 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, Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Random House, 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