Medicinal grade potassium sorbate cas509-00-01 use

Medicinal grade potassium sorbate cas509-00-01 use potassium sorbate, also known as potassium 2,4-adipenoate, is the potassium salt of sorbic acid, the molecular formula is C6H7O2K, white to light yellow scaly crystals, crystal particles or crystal powder, odorless or slightly odorous, long-term exposure to the air is easy to absorb moisture, is oxidative decomposition and discoloration
.

Soluble in water, soluble in propylene glycol and ethanol
.

Often used as a preservative, it is widely used
by binding to the thiol group of the microbial enzyme system to disrupt many enzyme systems, which are far less toxic than other preservatives.

Potassium sorbate can give full play to its antiseptic effect in acidic media, and under neutral conditions, it is a small white to light yellow scaly crystal, crystalline powder or granular
.

Odorless or slightly odorous
.

Long-term storage in the air is easy to absorb moisture and oxidative decomposition and coloring
.

The relative density (d2025) is 1.
363
.

The melting point is 270°C (decomposition).


It is easily soluble in water (67.
6g/100ml, 20°C), 5% table salt water (47.
5g/100ml, Chemicalbook room temperature), 25% granulated sugar water (5lg/100ml, room temperature).


Soluble in propylene glycol (5.
8g/100m1), ethanol (0.
3g/100m1
).

The Ph value of a 1% aqueous solution is 7 to 8
.

Some inhibit the action of bacteria and mold, 【Properties】 This product is white or white-like scaly or granular crystalline or crystalline powder
.

This product is easily soluble in water and slightly soluble
in ethanol.

【Identification】 (1) Take about 0.
1g of this product, add 10ml of water to dissolve, add acetone 1ml, add dilute hydrochloric acid dropwise to make it acidic, add 2 drops of bromine test solution, shake well, can make the bromine test liquid fade
.

(2) Take this product, add water to make a solution containing 0.
2mg per 1ml, take an appropriate amount, add 0.
1mol/L hydrochloric acid solution to make a solution containing 2μg per 1ml, and determine it according to ultraviolet-visible spectrophotometry (General 0401), and there is 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 688 figure).

(4) The flame reaction of potassium salt in aqueous solution of this product (General 0301).