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Benzoic acid , C7H6O2 (or C6H5COOH), is a colorless crystalline solid and a simple aromatic carboxylic acid. The name is derived from gum benzoin, which was for a long time its only known source. Benzoic acid occurs naturally in many plants and it serves as an intermediate in the biosynthesis of many secondary metabolites. Salts of benzoic acid are used as food preservatives and benzoic acid is an important precursor for the industrial synthesis of many other organic substances. The salts and esters of benzoic acid are known as benzoates.
Product details
CAS No.: 65-85-0 Other Names: phenylformic acid MF: C6H5COOH
EINECS No.: 200-618-2 Place of Origin: hebei, China (Mainland)
Type: alkyd resin modifier Purity: 99.0%min Appearance: white crystal
Specification:
| NO | ITEMS OF ANALYSIS | SPECIFICATION |
| 1 | APPEARANCE | white crystal |
| 2 | content (%) | 99.0 MIN |
| 3 | meiting point(°C) | 164-166 |
| 4 | acid value (MGkoh/g) | 312-315 |
| 5 | iron content (ppm) | 3 MAX |
| 6 | loss on drying (%) | 0.1 MAX |
| 7 | ash were (%) | 0.1 MAX |
Applications:
Industrial grade benzoic acid in flake factory supply
Used in Preserving foods, fats, fruit juices, alkaloidal solutions etc.
Used in manufacture of Benzoates and Benzoyl compounds, dyes as a mordant in calico printing.
Used in Plasticizers, Perfumes, and Dentifrices.
Used as anti microbial agent, Bacteriostatic & Bactericidal agent in medicines.
Used as an anti fungal agent.
Excellent chain terminator in Polymerisation Process.
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The product above complies with the BP-98.
III.Applications:
1)As an excellent food preservative, can be used as the antiseptic sterilization of various food and beverage;
2)As antiseptic sterilization of various drugs in pharmaceutical industry;
3)It can be used in the production of metal’s corrosion inhibitor and antioxidant;
4)Also used in plastic industry,paint and feed industry.
Preservative
Sodium benzoate is a preservative. As a food additive, sodium benzoate has the E number E211. It is bacteriostatic and fungistatic under acidic conditions. It is most widely used in acidic foods such as salad dressings (vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (vinegar), and condiments. It is also used as a preservative in medicines and cosmetics. Concentration as a preservative is limited by the FDA in the U.S. to 0.1% by weight. Sodium benzoate is also allowed as an animal food additive at up to 0.1%, according to AFCO's official publication.
Mechanism of food preservation
The mechanism starts with the absorption of benzoic acid into the cell. If the intracellular pH falls to 5 or lower, the anaerobic fermentation of glucose through phosphofructokinase decreases sharply which inhibits the growth and survival of microorganisms that cause food spoilage.




