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Molecular formula: C7H6O2
Molecular weight: 122.12
CAS RN: 65-85-0
Structural formula:
Properties and uses
Appearance and properties: white crystalline flakes or acicular powder with a little benzoin or benzaldehyde odor. Soluble in ethyl alcohol, slightly soluble in water. It sublimates if heated and its aqueous solution presents acidic
Boiling point: 249℃ Melting point: 122.13℃
Relative density 1.2659 (15/4℃)
Uses
1 As food preservative
2 As preservative in drug preparations
3 As raw material in drug synthesis
4 Dyeing industry
5 As preservative in mosquito-repellent incense
6 As preservative in toothpaste
7 As corrosion inhibitor in motor vehicle antifreeze fluid
Packing, storage and transportation
Packing: 25kg woven bag lined with PE plastic bag.
Storage: keep sealed, protect from damp and fire.
Scale of production and position in industry
Scale of production
Production capacity: 30,000 tons/year
Technology level
Benzoic acid has high capacity of the market. The company pays attention to the R&D of all links of benzoic acid from reaction to rectification and wastewater treatment and the optimization of technology and equipment to ensure the benzoic acid purity achieve pharmaceutical and edible grade.
Quality standard
Item |
Industrial grade Q---TALH |
Food grade GB1902-94 |
Medicinal grade BP98 |
Content (dry basis)%≥ |
98 |
99.5 |
99.0-100.5 |
Melting range ℃ |
121 -124 |
121 -123℃ |
121 -124 |
Readily oxidizable substance |
--- |
Pass the test |
Pass the test |
Readily carbonizable substance |
--- |
Pass the test |
Pass the test |
Chloride %≤ |
--- |
0.00 |
0.00 |
Heavy metal (pb)%≤ |
--- |
0.01 |
0.001 |
Vulcanization residue %≤ |
--- |
--- |
0.1 |
Arsenic (AS)%≤ |
--- |
0.0002 |
--- |
Phthalic acid%≤ |
--- |
0.0002 |
--- |
Drying loss |
--- |
0.5 |
--- |
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