| LIQUAPAR® PN |
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| Description |
| INCI: Phenoxyethanol (and) Methylparaben (and) Ethylparaben (and) Propylparaben (and) Butylparaben |
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| Typical Properties |
| Appearance |
Clear, light yellow liquid |
| Odor |
Characteristically mild |
| Water |
3% maximum |
| Specific Gravity |
1.0 - 1.2 |
| Refractive Index |
1.490 - 1.590 |
| Phenoxyethanol |
71.0 - 73.0% |
| Methylparaben |
15.0 - 17.0% |
| Ethylparaben |
3.5 - 4.5% |
| Propylparaben |
1.7 - 2.3% |
| Butylparaben |
5.5 - 6.5% |
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LiquaPar
PN is a 100% active, clear, stable, liquid blend of Methyl, Ethyl,
Propyl, and Butyl esters of Parahydroxybenzoic Acid with
Phenoxyethanol. It is effective against Gram-positive and Gram-negative
bacteria, yeast, and mold providing broad spectrum activity for global
formulations. It does not contain halo-organic components,
formaldehyde, or formaldehyde releasers.
LiquaPar PN is approved worldwide making it an ideal broad spectrum preservative for a wide variety of personal care products. |
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| Applications |
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In
most systems, LiquaPar PN should be incorporated at a concentration
range of 0.5-1.0% by weight of the finished formulation and can be used
in a pH range of 3.0-7.5. |
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For
more complex formulations, a dual preservation system of 1.0% LiquaPar
PN in combination with 0.2% ethylenediaminetetraacetic acid salt (EDTA)
has proven effective. |
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In
emulsion systems, LiquaPar PN can be added to the preemulsion water or
oil phase or added post-emulsification at 60-70°C during the
manufacture of the formulation. |
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Although
Phenoxyethanol is slightly volatile, LiquaPar PN is stable at
temperatures up to 85°C, but it is always best to add preservatives at
the coolest possible temperature. |
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For cold mixed systems, add LiquaPar PE early in the process to allow for adequate mixing. |
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| Every
cosmetic formulation requires a specific preservative system to meet
its individual needs. Therefore, every newly developed or modified
product should be challenge tested to assure
preservative efficacy. |
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| LIQUAPAR® PN is a Registered Trademark of International Specialty Products. |
Copyright © 2006 International Specialty Products. All Rights Reserved.
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Indústria Cosmética 
