Propyl paraben Paraben custom synthesis Paraben manufacturer
We are a professional supplier of materials of daily cosmetics, Methyl 4-hydroxybenzoate, Ethyl 4-hydroxybenzoate, Propyl 4-hydroxybenzoate, Butyl paraben, Butylparaben sodium salts.
Paraben custom synthesis--We can compound products according to customer demand in order to reach best effect.
The product is widely used in medical, cosmetics, daily chemical and food industry.
Product name : PROPYL PARABEN
Chemical name : Propyl 4-hydroxybenzoate
CAS # : 94-13-3
Molecular formula : C10H12O3
Structural formula:
Molecular weight : 180.20
Physical and chemical properties : white crystal ,easily soluble in alcohol and ether, nearly insoluble in water.
Item |
Index
|
Appearance
|
white powder
|
Purity (in dry basis), %
|
98-102
|
Melting point, ℃
|
96-99
|
Loss on drying, %
|
≤0.5
|
Residue on ignition, %
|
≤0.1
|
Acidity
|
up to standard
|
4-Hydroxybenzoic acid and Salicylic acid
|
up to standard
|
Solubility
|
easily soluble in alcohol, ether, acetone, lightly soluble in water
|
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