Homosalate (HMS)

 

1. Basic Information

Product name	Homosalate (HMS)
Chemical name	Homomenthyl salicylate 3,3,5-Trimethylcyclohexyl salicylate
CAS No.	118-56-9
EINECS No.	204-260-8
Molecular Formula:	C16H22O3
Molecular Weight:	262.36
Structural Formula:

 

2. Technical Specification of 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 (25℃) USP<841>		1.049~1.053
Refractive index (20℃) 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)		90.0-110.0
Residual solvents GC USP<467> (methanol)		1000 max

 

3. Application field

Homosalate (HMS) is a typical salicylic acid ultraviolet absorber, chemically named 3,3,5-trimethylcyclohexyl salicylate, which can absorb ultraviolet rays in the band of uvb295 ~ 315nm.

Homosalate (HMS) is commonly incorporated into sunscreens for its antibacterial abilities and helps prevent product from turning rancid. It is an oil soluble chemical sunscreen agent that absorbs UV B radiation, suitable for water-resistant formula. It can be used in sunscreen emulsions, gels, creams, sticks, makeup, etc.

Homosalate (HMS) is approved by the FDA of the United States, Europe, Japan and Australia to protect the skin from UVB irradiation. It is widely used in cosmetics and clothing fabrics such as sunscreen, toner, etc.

 

4. Packing

Standard packaging includes the following:

25kg per drum, 200kg/drum

Other package sizes are available upon request.

 

5. Storage

Homosalate (HMS) shall be 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