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Product Name |
Methylparaben |
||
Formula |
C8H8O3 |
Molecular Weight |
152.15 |
CAS NO. |
99-76-3 |
Quantity |
500KG |
Items |
Specification |
Results |
Appearance |
white powder |
Conforms |
Assay |
≥98.0% |
99.05% |
Density |
1,46g/cm | 1,46g/cm |
Melting point |
125-128 °C |
126°C |
CONCLUSION |
The result conform with standard |
Melting point 125-128 ° C (lit.)
Boiling point 298.6 ° C
Density 1,46g/cm
Vapor pressure 0.000005hpa (20 ° C) fema2710|methylp-hydroxybenzoate
Refractive index 1.4447 (estimate)
Flash point 280 ° C
Storage condition room temp
Solubility ethanol:solid 0.1M, clear, colorless
Acidity coefficient (PKA) pka8.15 (H2O, t=20.0) (uncertain)
Morphology crystal powder
Color white to almost white
PH 5.8 (H2O, 20 ° C) (saturated solution)
Slightly soluble in water
Freezing point 131 ℃
Merck14,6107
Methyl Paraben is mainly used as a bactericidal preservative in organic synthesis, food, cosmetics, medicine, and also as a feed preservative.Use preservative; Antimicrobial agents.Use: used as preservative, also used in medicine and organic synthesis, used as food, cosmetics and pharmaceutical mildew inhibitor.
Uses: it is used as antiseptic and bactericide in pharmaceutical industry, and also as anti-corrosion additive in organic synthesis and food, spices, films, etc. Similar products produced by similar production methods, ethyl p-hydroxybenzoate (Nipagin b) and propyl p-hydroxybenzoate (Nipagin C), are also disinfectants and antiseptics. This product is irritating to the skin. Use: antiseptic and bactericide. Insect cell culture level is used to study the biosynthesis of steroid hormones, such as testerone. Use: antiseptic and antiseptic. Research on steroid hormone synthesis.