Choline Bitartrate; CAS No.: 87-67-2

Item

Specification

Appearance

This product is white crystalline powder easily, hygroscopic.

Odor

Odorless, or slightly similar to the smell of trimethylamine

Taste

Taste acid

Solubility

Soluble in water, slightly soluble in ethanol,insoluble in chloroform, ether or benzene.

Identification

Take about 0.5g of this product, add 2ml of water to1s dissolve, add 2ml of iodine test solution. That red-brown precipitate is generated. Add sodium hydroxide test solution 5m, precipitate is dissolved

yellow solution, slightly heated, light yellow precipitate and iodoform odor is generated, boiling precipitate dissolved.

Emerald green precipitate is formed

Identification of tartrate in aqueous solution

Loss on Drying

≤ 0.5%

Residue on Ignition

≤ 0.1%

Heavy Metals

≤ 1ppm

Total Plate Count

≤ 1000cfu/g

Yeasts&Molds

≤ 100cfu/g

E.Coli

Negative

Assay

≥ 98.5%