UV Absorber Homosalate (HMS)
- Basic Information
Product name |
Homosalate |
CAS No. |
118-56-9 |
EINECS No. |
204-260-8 |
Molecular Formula: |
C16H22O3 |
Molecular Weight: |
262.36 |
Structural Formula: |
|
- Technical Specification UV Absorber Homosalate
Item |
Specification |
Appearance |
Colorless to pale yellow liquid |
Identity (IR) USP<197F> |
Matches reference spectrum |
UV absorbance (E1%1cm in methnol) max 305nm |
170~180 |
Specific gravity (25ºC) USP<841> |
1.049~1.053 |
Refractive index (20ºC) USP<831> |
1.561~1.519 |
Acidity (mg KOH/g) Titration (USP) |
1.0 max |
Methyl paraben (ppm) |
5 max |
Chromatographic purity GC USP<621> |
Purity (%) |
99.6% |
Each impurity(%) |
0.07% |
Total impurities (%) |
0.4% |
3,3,5-Trimethyl cyclohexanol (%) |
0.01% |
Methyl salicylate (%) |
<0.7ppm (LOD) |
2-methoxy benzoic acid -3.3.5- trimethylcyclohexylester (%) |
0.19% |
Assay (%) GC (USP<621) Homosalate (HMS) |
90.0-110.0 |
Residual solvents GC USP<467> (methanol) |
1000 max |
3. Application field
UV Absorber Homosalate (HMS) is commonly incorporated into sunscreens for its antibacterial abilities & helps prevent product from turning rancid. It is an oil soluble chemical sunscreen agent that absorbs UV B radiation.
UV Absorber Homosalate (HMS) can be used in sunscreen emulsions, gels, creams, sticks, makeup, etc.
4. Packing
UV Absorber Homosalate (HMS) Standard packaging includes
25kg per drum, 200kg/drum
Other package sizes are available upon request.
5. Storage
UV Absorber Homosalate (HMS) Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.
6. Period of validity
36 months