Para Hydroxy Benzoic Acid
Product Description
| Product | Para Hydroxy Benzoic Acid |
| CAS | 99-96-7 |
| Formula | C7H6O3 |
| Synonym | 4-Hydroxy Benzoic Acid, Benzoic acid, 4-hydroxy-, 4-hydroxybenzoic acid |
Typical Product Specifications
| Sensoric | White Crystal Powder |
| Purity | 99.5 % Min |
| Melting Point | 214 -217 °C |
| Odor | Odorless |
| Solubility (grams/100 gramg water) at 0°C | Clear and transparent |
| Loss on Drying | 0 - 20 5 Max |
| Color, Pt-Co | 15 Max |
| 15 ppm | 0.02% Max |
| Sulfates | 0.01 % Max |
| Chlorides | 0.005% Max |
| Phenol | 0.01 % Max |
| Salicyclic Acid | 0.02 % Max |
| 4-Hydroxyisophthalic acid (HIPA) | 500 ppm Max |
| Insolubles | In Menthol : 50 ppm Max |
| Potassium | 10 ppm Max |
| Sodium | 10 ppm Max |
| Iron | 10 ppm Max |
| Calcium + Magnesium | 10 ppm Max |
| Molecular weight | 138.12 |
| Solubility | 0 mgl in water |
| Chemical Structure |  |
| Notes | Use: PRESERVATIVE |
| Class | Specialty Chemicals |
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