English name

 3-hydroxy-2-butanone  powder

Alias name

2,3,5,6-Tetramethyl-1,4-dioxane-2,5-diol

CAS No.

23147-57-1

EINECS accession No.

245-457-9

Molecular formula

C8H16O4 

Chemical formula

Molecular weight

176.21

Physical and chemical indexes

Color

White crystalline powder

Flash point

41.1℃

Melting point

15℃

Boiling Point

148℃

（25℃/25℃）Relative density

0.994~1.019

Refractive index

Storage temp.

≦25℃

Flavor

Butter aroma

Solubility

The depolymerization temperature of  the white crystalline powder 3-hydroxy-2-butanone (acetoin dimer) is about 80 ~ 100 ℃, and the heating time is about 1 minute. The sample can be taken for analysis after the solid is completely melted and cooled to room temperature.

Application

As a kind of edible flavor, acetoin dimer is mainly used to prepare cream, yoghurt and other dairy flavor. Under the far-reaching influence of reform and opening up, the domestic food industry is developing rapidly, and the food raw material market has a higher level of demand for dairy flavor. Acetoin dimer can be used to mix yogurt, bananas, butter and other flavors. The obtained products emit strong milk fragrance, which is deeply loved by the majority of users, and the sales volume of the products has been in the first place.

package

It should be packed in a clean, dry, odorless fluorinated barrel or aluminum foil bag ，or packed according to the customer's requirements.

Transportation

In the process of transportation, it should be loaded and unloaded with care， prevent sun and rain。Don't be mixed with toxic and harmful substances, and should comply with the regulations of relevant departments.

Storage

The product should be stored in a cool, dry and ventilated warehouse to avoid contamination by miscellaneous gases and keep away from fire sources. The storage temperature is lower than 25 ℃.

Expiry date

The shelf life of the product shall not be less than one year，under the condition that the storage and transportation conditions are met, the package is complete and unsealed.

Package

25kg plastic barrel