Propyl Paraben
DESCRIPTION
INCI Adopted Name: |
Propyl Paraben |
CAS No.: |
94-13-3 |
EINECS No. |
202-307-7 |
Molecular Formula: |
C10H12O3 |
Molecular Weight: |
180.20 |
Synonyms: |
Propyl p-Hydroxybenzoate; Propyl 4-hydroxybenzoate
|
SPECIFICATIONS
Propyl Paraben
Item |
Standard |
Appearance |
Colorless crystal or white crystalline powder |
Content (dry basis) % ≥ |
99.0-100.5 |
Melting point ºC |
95-98 |
Acidity |
Qualified |
Sulfate (SO42-) % ≤ |
0.024 |
Heavy metal (Pb) % ≤ |
0.001 |
(AS) % ≤ |
0.0001 |
Drying loss % ≤ |
0.50 |
Residue on ignition % ≤ |
0.1 |
Mass fraction of free acid (PHBA)% ≤ |
0.55 |
Identification test |
Qualified |
Related substances |
Qualified |
Appearance |
Clear and transparent |
Organic volatile impurities |
Qualified |
PACKAGING
Propyl Paraben Standard packaging includes the following:
25kg per drum, 25kg/carton
Other package sizes are available upon request.
STORAGE
Propyl Paraben Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.
PERIOD OF VALIDITY
36 months
FEATURE AND APPLICATION
Broad spectrum bactericide for gram positive, feminine germ and saccharomycetes;
Low application concentration, safe, economic, long serve life;
Recommended dosage: 0.2%~0.5%
Propyl Paraben is widely used in cosmetic, medical and food industry for preservation.