Executive standard: Q/YTH 003-2006

English alias: 11-Oxahexadecanolide

CAS RN: 3391-83-1

1. Physical and chemical properties:

1.1 Molecular formula：C15H28O3

1.2 Molecular weight: 256.38

1.3 Structure formula:

2. Technique Indexes:

3. Application: The musk R-1 classes to the compound of macrocyclic lactone type, having strong floral or pollen fragrance charm. It could imitate the natural musk and other animal fragrance charm by slight modifying, so that it becomes the good substitute for natural musk. At the same time, the musk R-1 is a nice stabilizer of the scent, and has lifting and mellow effect, so it could be used in top and middle grade of cosmetics, especially suitable for various essences of soap and lavender fragrance type. Otherwise, it has also remarkable efficiency for pretreatment of ethanol used in essence concocting. In recent years, the musk R-1 has got high appraisal from the international perfume industry, and its requirement in the market has been grown up year by year. At present, it has become a good substitute for the natural musk.

According to the tests, the musk R-1 has provided with more ten times of strength of fragrance than nitrobenzene-musk. As it could play a role of excitation, it makes the fragrance to be dense, distinctive, harmonious, and more nice penetration property of fragrance, especially it has an outstanding effect on keeping fragrance for long. Although all of the musk compounds possess musk scent, the fragrance appraisers could easily recognize macrocyclic musk compounds and nitrobenzene-musk. Besides of its special scent each musk compound has the difference of fragrance charm. For example, the musk-ketone and civetone have strong animal fragrance charm, and the pentadecalactone and decyl-lactone have obvious botanic fragrance charm. The musk R-1 belongs to the latter, which possess strong floral fragrance charm or pollen fragrance charm, but after slightly modifying it could imitate the natural musk and other animal fragrance charm. Further more, the musk R-1 has another feature, which is the broad spectrum of fragrance-charm. As charming feature for this stabilizer that has been interested greatly by the fragrance concoctors, fame of the musk R-1 is rising every day.

4. Safety instructions: Low toxicity. Cavy, skin: LD50 > 5000mg/kg; Mouse, oral: LD50 > 5000mg/kg.

5. Packing: Packaging in aluminum bottle, 5 kg net each.

6. Storage: Stored in a cool, ventilated place. The shelf life is 12 months after manufacturer date. It is still available if retest result is qualified after expire date

7. Transportation: Avoid exposure and high temperature.