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English Name: sorbic acid
CAS No.: 110-44-1
Molecular formula: C6H8O2
Molecular weight: 112.13
EINECS No.: 203-768-7
Properties: This product is white to yellowish white crystalline powder; It stinks. This product is easily soluble in ethanol, soluble in ether and very slightly soluble in water.
Category: medicinal auxiliary branch, preservative.
Application: sorbic acid is an acidic preservative. It still has a good antiseptic effect in foods close to neutral (ph6.0-6.5). At present, it is widely used in the pharmaceutical industry.
Specification: 25kg / bag {barrel), 1kg / bag.
Product quality: the executive standard is Chinese Pharmacopoeia 2005 edition.
Product executive standard:
Test items | Standard provisions |
Character | This product is white to yellowish crystalline powder with special odor |
Melting point | 132～136℃ |
Identify | 1. Should be positive |
2. According to UV-VIS spectrophotometry, there is Zui large absorption at the wavelength of 264 ± 2nm | |
3. It should be compared with infrared spectrum* | |
Clarity and color of ethanol solution | The solution shall be clear and colorless |
Aldehyde,% | ≤0.15 |
Moisture,% | ≤0.5 |
Ignition residue,% | ≤0.1 |
Heavy metals, PPM | ≤10 |
Content (calculated as anhydrous matter),% | ≥99.0 |
It is widely used in western developed countries, but it is not widely used in China. As a recognized safe and efficient anti-corrosion food additive, and potassium salt will be more and more widely used in China's food industry. It is white or yellowish white crystalline powder; It stinks. This product is easily soluble in ethanol, soluble in ether, and very slightly soluble in water. When we buy packaged (or canned) food, we often see the words "or" potassium "in the ingredient item. People often mistakenly think that it may be the ingredient of the fruit" pear ". In fact, they are commonly used food additives! Whether they are harmful to human body or not, it is very necessary to clearly understand the consumption.
Manufacturing
