Sodium Methyl/Ethyl/Propyl/Butyl Paraben
- CAS NO. : 5026-62-0;35285-68-8;35285-69-9;36457-19-9
- CAT NO. : OT-7199
Physical State: Powder
Color/Appearance: White
Melting Point: >125 °C
Density: 1.42 g/cm³ (20 °C)
Solubility: Freely soluble in water; slightly soluble in ethanol (96%); almost insoluble in dichloromethane
Storage Conditions: Store at +15 °C to +25 °C, protected from light and moisture
Molecular Formula: C₈H₉NaO₃
Molecular Weight: 176.15 g/mol
Physical State: Solid (crystalline powder)
Color/Appearance: White to off-white, hygroscopic crystalline powder
Melting Point: >115 °C (free ester form)
Boiling Point: 297 °C at 1013 hPa (free ester; decomposes on heating)
Density: 1.34 g/cm³ at 20 °C
Flash Point: 121 °C
pKa: 8.4 (at 20 °C)
pH (1 g/L, H₂O, 20 °C): Approximately 10
Solubility: Freely soluble in water (1000 g/L at 23 °C); slightly soluble in ethanol (96%); almost insoluble in dichloromethane
Storage Conditions: Store at +15 °C to +25 °C in a tightly sealed container, protected from moisture and light
Molecular Formula: C₉H₁₁NaO₃
Molecular Weight: 190.17 g/mol
Physical State: Solid (crystalline powder)
Color/Appearance: White to off-white, hygroscopic powder
Melting Point: 302 °C
Density: 1.24 g/cm³ at 25 °C
Vapor Pressure: 0.001 Pa at 20 °C
pKa: 8.46 (at 20 °C)
pH (1 g/L, H₂O, 20 °C): 9.5 – 10.5
Solubility: Freely soluble in water (1000 g/L at 23 °C); slightly soluble in ethanol (96%); almost insoluble in dichloromethane
Storage Conditions: Store at +15 °C to +25 °C in a tightly closed container, protected from moisture and light
Stability: Hygroscopic; stable under recommended storage conditions
Molecular Formula: C₁₀H₁₃NaO₃
Molecular Weight: 204.20 g/mol
Physical State: Solid (crystalline powder)
Color/Appearance: White to off-white, hygroscopic crystalline powder
Melting Point: >115 °C
Boiling Point: 297 °C at 1013 hPa
Density: 1.34 g/cm³ at 20 °C
Flash Point: 121 °C
pKa: 8.4 at 20 °C
pH: Approximately 10 (1 g/L in water at 20 °C)
Solubility: Freely soluble in water (1000 g/L at 23 °C); slightly soluble in ethanol (96%); almost insoluble in dichloromethane
Storage Conditions: Store at +15 °C to +25 °C in a tightly sealed container, protected from moisture and light
Molecular Formula: C₉H₁₁NaO₃
Molecular Weight: 190.17 g/mol
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