Isopropyl paraben 4-Hydroxybenzoic acid isopropyl ester CAS: 4191-73-5
Chemical name: 4-Hydroxybenzoic acid isopropyl ester
Product name: Isopropyl paraben
Molecular formula: C10H12O3
Molecular weight: 180.20
CAS#: 4191-73-5
Physical and chemical properties: colorless crystal or white crystalline powder. No odor. Poorly soluble in water (0.088g/100ml,25℃), easily soluble in ethyl alcohol, diethyl ether, acetone, glacial acetic acid, and other organic solvents.
Uses: the product is mainly used as preservative of cosmetics, drugs and feeds.
Packing: plastic bag, 1kg/bag, 20 bags/carton, or cardboard drum lined with plastic bag, net weight is 25kg or 50kg.
Item | Index |
Content | ≥99% |
Melting point | 84~86℃ |
Sulfate (SO4) | ≤0.024% |
Free acid (PHBA) | ≤0.55% |
Residue on ignition | ≤0.10% |
Heavy metal (Pb) | ≤10μg/g |
Arsenic (As2O3) | ≤4μg/g |
Drying loss (On silica gel for 5h) | ≤0.5% |
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