Product Information
Product Name 4-Ethylresorcinol
CAS Number 2896-60-8
IUPAC Name 4-ethylbenzene-1,3-diolSynonyms 1,3-Dihydroxy-4-ethylbenzene, 6-Ethylresorcinol
Molecular Formula C₈H₁₀O₂
Molecular Weight 138.17 g/molEINECS 220-777-1
MDL MFCD00002283
PubChem CID 17927SMILES CCC1=C(C=C(C=C1)O)O
Chemphysical Properties
Appearance White to pale yellow crystalline powder
Melting Point 95–98 °C
Boiling Point 155 °C @10 mmHgDensity ~1.074 g/cm³
Solubility Soluble in ethanol, methanol, DMSO; slightly soluble in water
Stability Air sensitive, easy to turn yellow upon long exposure to air & lightOdor Slight phenolic odor
Quality Specification
| Test Item | Standard | Test Method |
|---|---|---|
| Appearance | White to pale yellow crystal powder | Visual |
| Assay | ≥98.0% | HPLC / GC |
| Melting Range | 95.0 ~ 98.0 °C | Capillary |
| Loss on Drying | ≤0.5 % | 105℃, 2h |
| Residue on Ignition | ≤0.1 % | Gravimetry |
| Heavy Metals (Pb) | ≤10 ppm | AAS |
| Arsenic (As) | ≤2 ppm | AAS |
| Related Substances | Total impurities ≤1.0% | HPLC |
| Identification (NMR/IR) | Conforms to structure | NMR / IR |
Use & Application
Cosmetics: skin whitening, brightening, anti-melanin, freckle & dark spot care serum, cream, lotion. Inhibits tyrosinase effectively.
Organic synthesis intermediate for pharmaceutical & fine chemical synthesis.
Biochemical research reagent for tyrosinase related in-vitro experiments.
Recommended dosage in cosmetics: 0.1–0.5%.
Packing
Standard packing: 1kg / 5kg / 25kg aluminium foil bag or fibre drum with inner PE bag.
Custom packing available upon request.
Delivery & Storage
Delivery: Normal ambient transport, avoid strong sunlight and high temperature.
Storage: Store in cool, dry, dark, well-ventilated warehouse. Seal tightly. Keep away from air, light, oxidants.
Shelf life: 24 months under proper sealed storage.
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