Benzoic Acid
Appearance: White silky flakes or needle-shaped crystals,benzin or benzoic aldehyde savor,soluble in ethanol and slightly soluble in water.
Molecular formula : C7H6O2 molecular CAS:65-85-0
Application: Used as intermediate for dyestuff, paint synthesis, steel antiseptic and plastic intensifier.
Packing: in 25kg net bags
Specification: (1) For industrial use is as follows
| Item |
Index |
Top quality |
First quality |
Qualified products |
Content(base on C7H6O2),%  |
99.0 |
98.3 |
98.0 |
Range of melting point, |
121-123 |
Soluble in acid |
Clear liquid |
Readily carbonizable substance |
Passed the test |
(2) For food and pharmaceutical use which is complacence with BP98 is as follows
| ITEM |
STANDARD |
Melting point: |
121OC-124OC |
Clarity of solution: |
Colorless |
Carbonizable substance: |
≤Y5 |
Oxidizable substance: |
Should be conform |
Heavy metals(Pb): |
≤10ppm |
Chloride: |
≤200ppm |
Residue on ignition: |
≤0.1% |
Sulfate ash: |
≤0.1% |
Assay: |
99.0%min |
Loss on drying: |
≤2.0% |
|
