Methylparaben
(Redirected from Methyl p-hydroxybenzoate)
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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
Risks
- Toxic.
- Maximum concentration in food is limited to 0.1%.
- ThermoFisher: SDS
Physical and Chemical 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 C |
| Density | 1.36 g/ml |
| Molecular Weight | mol. wt. = 152.16 |
| Boiling Point | 270-280 C (dec) |
Resources and Citations
- 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