Medicinal grade sorbic acid cas22500-92-1 use

Medicinal grade sorbic acid cas22500-92-1 use sorbic acid is an antibacterial preservative with antibacterial and fungal properties used in
pharmaceuticals, food, enteric-coated preparations and cosmetics.

Sorbic acid is generally used in oral and topical preparations (its concentration is 0.
05% to 0.
2%), especially for preparations containing nonionic surfactants
.

Sorbic acid can also be used with proteins, enzymes, gelatin and plant gums without colorless needle crystals or white crystalline j pan mo, odorless or slightly irritating taste
.

mp133～135℃； bp228 °C (decomposition).


Soluble in ethanol, propylene glycol, glacial acetic acid, ethyl this product is (E, E)-2,4-adipenoic acid
.

According to the calculation of anhydrous, the content of C6H8O2 shall not be less than 99.
0%.


【Properties】 This product is a crystalline powder from white to yellowish white; There is a special smell
.

This product is easily soluble in ethanol, dissolved in B, and minimally dissolved
in water.

Melting point The melting point of this product (general rule 0612) is 132~136°C
.

【Identification】 (1) Take about 0.
2g of this product, add ethanol 2ml to dissolve, add a few drops of bromine test solution, and the color of bromine will fade
.

(2) Take this product, add 0.
1mol/L hydrochloric acid solution to dissolve and dilute to make a solution containing about 2.
5μg per 1ml, and determine it according to ultraviolet-visible spectrophotometry (General Rule 0401), with maximum absorption
at a wavelength of 264nm.

(3) The infrared light absorption pattern of this product should be consistent
with the control map (spectral set 25 map).

, acetone, benzene and carbon
tetrachloride.

The solubility in water at 30 °C is 0.
3.
at 25%.
100°C.
8%
。
It is stable to light and heat, but it is easy to be oxidized and colored
by long-term placement in the air.

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