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China Methylparaben 99-76-3 - China Supplier
China Methylparaben 99-76-3 - China Supplier

Methylparaben 99-76-3

Price:Negotiable
Industry Category: Chemicals/Carboxylic Acid Derivatives/Other Carboxylic Acid Derivatives
Product Category:
Brand: 中塑供應(yīng)鏈
Spec: 99.0%;25KG/袋(可分包)


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Description
Additional Information

Chemical FormulaC8H8O3
Molecular Weight152.15
Structural FormulaMethyl 4-hydroxybenzoate 99-76-3
Density1.46 g/cm3
Melting Point125-128 °C (lit.)
Boiling Point298.6 °C
Flash Point280°C
Water SolubilitySlightly soluble in water.
Vapor Pressure0.000005 hPa (20 °C)
SolubilityEthanol: Soluble 0.1 M, clear, colorless
Refractive Index1.4447 (estimate)
Acidity CoefficientpKa 8.15 (H2O, t = 20.0) (Uncertain)
pH Value5.8 (H2O, 20°C) (saturated solution)
Storage Conditionsroom temp
StabilityStable. Incompatible with strong oxidizing agents and strong bases.
SensitivityEasily absorbing moisture
AppearanceCrystalline powder
ColorWhite to almost white
Merck14,6107
BRN509801
Physicochemical PropertiesWhite needle-like crystals. Slightly soluble in water, easily soluble in ethanol and other organic solvents.

Industry Category Chemicals/Carboxylic Acid Derivatives/Other Carboxylic Acid Derivatives
Product Category
Brand: 中塑供應(yīng)鏈
Spec: 99.0%;25KG/袋(可分包)
Origin: 113701
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